http://www.php5script.com/ 2012-05-20T07:16:54-04:00 http://www.php5script.com/ http://www.php5script.com/lib/images/favicon.ico text/html 2008-04-18T14:00:50-04:00 http://www.php5script.com/doku.php?id=abs&rev=1208541650&do=diff Syntax number abs(mixed $value) (PHP 4, PHP 5) $value A numeric value (either a float or an integer). RETURNS The absolute value of the numeric argument ($value). What it Does Calculates the absolute value of the numeric argument and returns it. So if you pass it a value of -5, the result would be 5. text/html 2008-04-18T14:00:50-04:00 http://www.php5script.com/doku.php?id=acos&rev=1208541650&do=diff Syntax float acos(float $val) (PHP 4, PHP 5) $val Value to compute the arc cosine for. RETURNS Computes the trigonometry function arc cosine for the degree in radians ($val). What it Does This function computes the arc cosine for the argument $val which is the degree in radians. text/html 2008-04-18T14:00:51-04:00 http://www.php5script.com/doku.php?id=acosh&rev=1208541651&do=diff Syntax float acos(float $val) (PHP 4 >= 4.07, PHP 5) $val Value to compute the arc cosine for. RETURNS Computes the trigonometry function inverse hyperbolic cosine for the degree in radians ($val). What it Does This function computes the inverse hyperbolic cosine for the argument $val which is the degree in radians. text/html 2007-10-31T13:07:09-04:00 http://www.php5script.com/doku.php?id=addcslashes&rev=1193850429&do=diff Syntax string addcslashes(string $str, string $characters) (PHP 4, PHP 5) $str The string to manipulate (add escape characters) $characters A list of characters which will be escaped. You may define a range of characters using the notation A..z (this escapes all characters A-Z and a-z) RETURNS Returns the modified string with the specified characters escaped What it Does Escapes a specified list of charcters in a string with a backslash (\). This is useful for certain programs whic… text/html 2007-10-31T13:07:30-04:00 http://www.php5script.com/doku.php?id=addslashes&rev=1193850450&do=diff Syntax string addslashes(string $str) (PHP 4, PHP 5) $str The string to manipulate (add escape characters) RETURNS Returns the modified string with special characters escaped What it Does Escapes a specified list of charcters in a string with a backslash (\). This is useful for certain programs which require special characters to be escaped. Specifically, if you are going to insert or update data in a MySQL database, these slashes are necessary to prevent errors and hacking attempts. text/html 2008-04-18T14:00:51-04:00 http://www.php5script.com/doku.php?id=asin&rev=1208541651&do=diff Syntax float asin(float $val) (PHP 4, PHP 5) $val Value to compute the arc sine for. RETURNS Computes the trigonometry function arc sine for the degree in radians ($val). What it Does This function computes the arc sine for the argument $val which is the degree in radians. text/html 2008-04-18T14:00:51-04:00 http://www.php5script.com/doku.php?id=asinh&rev=1208541651&do=diff Syntax float asinh(float $val) (PHP 4 >= 4.07, PHP 5) $val Value to compute the inverse hyperbolic sine for. RETURNS Computes the trigonometry function inverse hyperbolic sine for the degree in radians ($val). What it Does This function computes the inverse hyperbolic sine for the argument $val which is the degree in radians. text/html 2011-02-11T12:15:53-04:00 http://www.php5script.com/doku.php?id=atan&rev=1297444553&do=diff Syntax float atan(float $angle) (PHP 4, PHP 5) $angle The angle parameter which is measured in radians (should be a value between -PI/2 and PI/2. RETURNS The arc tangent for the angle parameter specified. What it Does This function computes the arc tangent for the argument $angle. The result of this trigonometry function can be any real number. text/html 2008-04-18T14:00:51-04:00 http://www.php5script.com/doku.php?id=atan2&rev=1208541651&do=diff Syntax float atan2(float $y, float $x) (PHP 4, PHP 5) $y Numerator of a fraction (y / x) which is the argument for the arc tangent. $x Numerator of a fraction (y / x) which is the argument for the arc tangent. RETURNS The arc tangent of the fraction ($y / $x). This result will be between -PI and PI. What it Does This function computes the arc tangent for the arguments $y and $x which represent the numerator and denominator of the fraction (y / x). The result of this trigonometry … text/html 2007-10-31T13:08:14-04:00 http://www.php5script.com/doku.php?id=bin2hex&rev=1193850494&do=diff Syntax string bin2hex(int $val) (PHP 4, PHP 5) $val The integer (long) number to convert to hexadecimal RETURNS Returns a hexadecimal string converted from the argument What it Does Converts binary data into a hexadecimal string equivalent. Hexadecimal is a base 16 numbering system with digits from 0 - 9 A - F. The number 31 in hexadecimal would be 1F which is sometimes represented as 0x1F or 1FH. text/html 2008-04-18T14:00:52-04:00 http://www.php5script.com/doku.php?id=blackfriday&rev=1208541652&do=diff Camcorders PRODUCT STORE REBATE PRICE Sony 5.0 Megapixel Ultra compact MPEG4 CamCorder CompUSA $0.00 $199.99 Monitor PRODUCT STORE REBATE PRICE Acer 17” Wide-Screen LCD Monitor Staples $60.00 $89.98 Envision 19” Wide-Screen LCD Monitor Best Buy $0.00 $99.99 Acer 22” Wide-Screen LCD Monitor Circuit City $60.00 $169.99 Acer 22” Wide-Screen LCD Monitor Circuit City $60.00 $169.99 Envision 22” Wide-Screen LCD Monitor CompUSA $130.00 $149.99 Hard Drive PRODUCT STOR… text/html 2008-04-18T14:00:52-04:00 http://www.php5script.com/doku.php?id=checkdate&rev=1208541652&do=diff Syntax bool checkdate(int $month, int $day, int $year) (PHP 4, PHP 5) $month Month number (1 - 12) $day Day number (1 - 31) $year Year number (e.g.: 2008) RETURNS True or false indicating whether the values make a valid date What it Does Determines whether the numbers for month, day, and year can be combined to form a valid date. Use this to validate input when these three values are entered seperately. text/html 2008-04-18T14:00:52-04:00 http://www.php5script.com/doku.php?id=chop&rev=1208541652&do=diff Syntax string chop(string $str [, string $charlist]) (PHP 4, PHP 5) $str The string to manipulate (trim whitespace) $charlist Optional string of characters to strip from the right side of $str RETURNS Returns the modified string with the specified characters removed What it Does This function is an alias for the rtrim function. It trims specific characters (specified by $charlist) from the end of the string argument. If the optional $charlist argument is not specified, all whitespa… text/html 2008-04-18T14:00:52-04:00 http://www.php5script.com/doku.php?id=chr&rev=1208541652&do=diff Syntax string chr(int $val) (PHP 4, PHP 5) $val ASCII value (integer) for the character result RETURNS Returns the character which corresponds to the ASCII value What it Does This function converts an ASCII code (integer value) into the corresponding character. This is useful for creating characters which are unprintable or otherwise forbidden by the character set used on the source document. text/html 2008-04-18T14:00:52-04:00 http://www.php5script.com/doku.php?id=chunk_split&rev=1208541652&do=diff Syntax string chunk_split(string $str [, int $length [, string $end]]) (PHP 4, PHP 5) $str The string value to be split into chunks $length The maximum length of each piece of string split apart from $str. The default value is 76 characters. $end The character sequence that denotes the end of each piece (and is appeneded after each chunk). The default sequence is “\r\n” (carriage return followed by a newline). RETURNS Returns the modified string with line breaks between each piece … text/html 2007-11-05T14:05:24-04:00 http://www.php5script.com/doku.php?id=control_structures&rev=1194289524&do=diff If ElseIf Else The If code block allows you to selectively execute program code based on when a condition is met. For instance, you may want to output a message based on the score for a student in the class. An example of this is shown below... // one-line if statement if ($score >= 60) echo 'You Pass!'; // if statement in a code block if ($score >= 90) { echo 'You Pass!' $grade = 'A'; } text/html 2008-04-18T14:00:53-04:00 http://www.php5script.com/doku.php?id=convert_cyr_string&rev=1208541653&do=diff Syntax string convert_cyr_string(string $str string $source, string $target) (PHP 4, PHP 5) $str The string value to be converted $source The Cyrillic character set to be used as a source (single character) $target The Cyrillic character set to be used as the target (single character). RETURNS Returns the converted Cyrillic character string. Cyrillic Character Code (for $source and $target) text/html 2008-04-18T14:00:53-04:00 http://www.php5script.com/doku.php?id=convert_uudecode&rev=1208541653&do=diff Syntax string convert_uudecode(string $str) (PHP 4, PHP 5) $str The string value to be decoded RETURNS Returns the uudecoded character string. UU Encoding is a special character coding which is used on Usenet newsgroups to encode file attachments and inline images. It's not too efficient (only using 6 of the available 7 bits in the ASCII table) which is why a newer standard (yENC) has been adopted. text/html 2008-04-18T14:00:53-04:00 http://www.php5script.com/doku.php?id=convert_uuencode&rev=1208541653&do=diff Syntax string convert_uuencode(string $str) (PHP 4, PHP 5) $str The string value to be encoded RETURNS Returns the encoded character string. UU Encoding is a special character coding which is used on Usenet newsgroups to encode file attachments and inline images. It's not too efficient (only using 6 of the available 7 bits in the ASCII table) which is why a newer standard (yENC) has been adopted. text/html 2007-10-31T17:16:19-04:00 http://www.php5script.com/doku.php?id=cookies_and_form_variables&rev=1193865379&do=diff HTTP Request Methods When accesssing a web page, you can do so using several different types of request methods. The methods are: * GET * POST * HEAD The most common method is GET which is the type of request made when you type an address into your web browser, open a site using a bookmark, or click on a hyperlink on a site. All variables that are passed to the web page are clearly visible in the location or address string. They appear as a query string which appears after the scr… text/html 2008-04-18T14:00:53-04:00 http://www.php5script.com/doku.php?id=count_chars&rev=1208541653&do=diff Syntax string count_chars(string $str [, int $mode]) (PHP 4, PHP 5) $str The string value to be encoded $mode The type of character counting to perform (see key below) RETURNS Returns the encoded character string. Possible Values for $mode text/html 2008-04-18T14:00:54-04:00 http://www.php5script.com/doku.php?id=crc32&rev=1208541654&do=diff Syntax int crc32(string $str) (PHP 4 >= 4.01, PHP 5) $str Source text or binary string for the CRC calculation. RETURNS Cyclical Redundancy Checksum as an integer value. What it Does Use this method to calculate the Cyclical Redundancy Check (checksum) for string or binary data. The result is a signed integer, if you want to convert it to signed, you will need to convert the result using sprintf as shown in the example below. text/html 2008-04-18T14:00:54-04:00 http://www.php5script.com/doku.php?id=crypt&rev=1208541654&do=diff Syntax string crypt(string $str [, string $salt]) (PHP 4 >= 4.01, PHP 5) $str Source text or binary string for generating a crypt string. $salt Optional salt string (usually 2 characters long) to use for the encryption string. RETURNS Encrypted string of characters used to verify the original data. What it Does Calculates a hash or a crypt value based on the source text or binary string. This does a one-way encryption meaning that there is no way to undo the encryption (using the cr… text/html 2008-04-18T14:00:54-04:00 http://www.php5script.com/doku.php?id=database_functions&rev=1208541654&do=diff * mysql_affected_rows * mysql_change_user * mysql_client_encoding * mysql_close * mysql_connect * mysql_create_db * mysql_data_seek * mysql_db_name * mysql_db_query * mysql_drop_db * mysql_errno * mysql_error * mysql_escape_string * mysql_fetch_array * mysql_fetch_assoc * mysql_fetch_field * mysql_fetch_lengths * mysql_fetch_object * mysql_fetch_row * mysql_field_flags * mysql_field_len * mysql_field_name * mysql_field_seek * mysql_field_table * m… text/html 2007-05-17T00:27:13-04:00 http://www.php5script.com/doku.php?id=datatypes&rev=1179376033&do=diff PHP defines 8 different variable types. These are outlined here for your quick reference. Be familiar with each of the different types and how they may be used in your programming. Scalar Types Data Type Description Boolean A logical datatype with only two distinct possible values: true and false Integer A numeric value in the form of a whole number. A whole number has no fractional parts (or decimal point). Float A floating point or real number. This number is in the format -35.235… text/html 2007-05-16T18:31:56-04:00 http://www.php5script.com/doku.php?id=date_and_time_functions&rev=1179354716&do=diff * checkdate * date_create * date_date_set * date_default_timezone_get * date_default_timezone_set * date_format * date_isodate_set * date_modify * date_offset_get * date_parse * date_sun_info * date_sunrise * date_sunset * date_time_set * date_timezone_get * date_timezone_set * date * getdate * gettimeofday * gmdate * gmmktime * gmstrftime * idate * localtime * microtime * mktime * strftime * strptime * strtotime * time * timezone_abbr… text/html 2008-04-18T14:00:54-04:00 http://www.php5script.com/doku.php?id=echo&rev=1208541654&do=diff Syntax void echo(string $str1 [, string $str2...]) (PHP 4, PHP 5) $str1 An expression to output. $str2... Unlimited number of additional expressions to output. RETURNS Nothing (void). What it Does Sends output to the default device. In the case of a web page, this is the content delivered to the web browser. This is actually a language contruct rather than a function. This means you can use this statement without enclosing the arguments in parentheses (example shown below.) text/html 2007-11-06T13:01:50-04:00 http://www.php5script.com/doku.php?id=email_scripts&rev=1194372110&do=diff * isemail - Test a string expression for a valid e-mail address text/html 2008-04-18T14:00:55-04:00 http://www.php5script.com/doku.php?id=explode&rev=1208541655&do=diff Syntax array explode(string $delim, string $str [, int $limit]) (PHP 4, PHP 5) $delim Delimiter used to separte the source string. $str The source string which will be split appart into an array. $limit The maximum number of parts (or elements) in the array. RETURNS The array generated by splitting the source string. What it Does Explode takes the source string ($str) and breaks it into smaller parts using the delimiter ($delim) string as a splitting point. Usually, this is used… text/html 2008-04-18T14:00:55-04:00 http://www.php5script.com/doku.php?id=form_scripts&rev=1208541655&do=diff * postget - get a request variable from $_GET or $_POST text/html 2008-04-18T14:00:55-04:00 http://www.php5script.com/doku.php?id=fprintf&rev=1208541655&do=diff Syntax int fprintf(resource $res, string $format, [, mixed $args...]) (PHP 5) $res A file handle resource returned by a call to fopen or similar. $format An output format string just like the C printf function. $args A variable number of arguments used as input to the formatting string. RETURNS The length of the outputted string (once argument replacement has been done). What it Does Prints a formatted string to the file represented by the file handle argument ($res). Like the p… text/html 2008-04-18T14:00:55-04:00 http://www.php5script.com/doku.php?id=get_html_translation_table&rev=1208541655&do=diff Syntax array get_html_translation_table([int $table [, int $quote_style]]) (PHP 4, PHP 5) $table Indicates which translation table you want to retrieve by passing the constant HTML_ENTITIES or HTML_SPECIALCHARS. $quote_style Indicates the type of quotes to use for the result table. RETURNS The translation table that the function htmlentities or htmlspecialchars uses to encode strings. What it Does Returns the translation table that htmlentities or htmlspecialchars uses to encode a … text/html 2008-04-18T14:00:55-04:00 http://www.php5script.com/doku.php?id=hebrev&rev=1208541655&do=diff Syntax string hebrev(string $hebrewtext [, int $charsperline]) (PHP 4, PHP 5) $hebrewtext Source string containing Hebrew characters. $charsperline Maximum number of characters per line. RETURNS The source string ($hebrewtext) with Hebrew characters converted to visual characters. What it Does Takes a source string containing Hebrew text ($hebrewtext), and converts Hebrew characters to a visual style. text/html 2008-04-18T14:00:56-04:00 http://www.php5script.com/doku.php?id=hebrevc&rev=1208541656&do=diff Syntax string hebrevc(string $hebrewtext [, int $charsperline]) (PHP 4, PHP 5) $hebrewtext Source string containing Hebrew characters. $charsperline Maximum number of characters per line. RETURNS The source string ($hebrewtext) with Hebrew characters converted to visual characters and newlines converted to an HTML line break. What it Does Takes a source string containing Hebrew text ($hebrewtext), and converts Hebrew characters to a visual style. Unlike the hebrev function, this f… text/html 2011-09-27T20:42:19-04:00 http://www.php5script.com/doku.php?id=herethefirst_title&rev=1317170539&do=diff Hi to all on this site its content text/html 2007-12-12T12:47:50-04:00 http://www.php5script.com/doku.php?id=html_entity_decode&rev=1197481670&do=diff Syntax string html_entity_decode(string $text [, int $quoting_style [, string $characters] ]) (PHP 4 >= 4.3.0, PHP 5) $text Source string to decode HTML entities. $quoting_style Controls the decoding of quote characters (see below). $characters The character set to use when decoding the string (see below). RETURNS The source string with HTML encodings removed (decoded). Possible values for $quoting_style text/html 2007-12-12T12:53:02-04:00 http://www.php5script.com/doku.php?id=htmlentities&rev=1197481982&do=diff Syntax string htmlentities(string $text [, int $quoting_style [, string $characters [, bool $doubleencode] ] ]) (PHP 4 , PHP 5) $text Source string to encode HTML entities. $quoting_style Controls the encoding of quote characters (see below). $characters The character set to use when encoding the string (see below). $doubleencode Turn this off (pass false) to prevent the encoding from re-encoding text that has already been encoded. RETURNS The source string with HTML encodings. … text/html 2008-04-18T14:00:56-04:00 http://www.php5script.com/doku.php?id=htmlspecialchars&rev=1208541656&do=diff Syntax string htmlspecialchars(string $text [, int $quoting_style [, string $characters [, bool $doubleencode] ] ]) (PHP 4 , PHP 5) $text Source string to encode special HTML characters. $quoting_style Controls the encoding of quote characters (see below). $characters The character set to use when encoding the string (see below). $doubleencode Turn this off (pass false) to prevent the encoding from re-encoding text that has already been encoded. RETURNS The source string with HTML… text/html 2008-04-18T14:00:56-04:00 http://www.php5script.com/doku.php?id=htmlspecialchars_decode&rev=1208541656&do=diff Syntax string htmlspecialchars_decode(string $text [, int $quoting_style ]) (PHP 5 >= 5.10) $text Source string to decode special HTML characters. $quoting_style Controls the encoding of quote characters (see below). RETURNS The source string with HTML encodings decoded (removed). Possible values for $quoting_style text/html 2011-02-11T12:28:39-04:00 http://www.php5script.com/doku.php?id=implode&rev=1297445319&do=diff Syntax string implode(string $separator, array $parts) (PHP 4, PHP 5) $separator A string which is inserted between the individual parts to make a single string. $parts An array of strings which will be combined. RETURNS The combined parts from the array as a single string with the $separator between the parts. What it Does Implode converts an array of strings ($parts) into one single string by placing the $separator text between each of the parts. An array is ordered by its index… text/html 2008-04-18T14:00:57-04:00 http://www.php5script.com/doku.php?id=isemail&rev=1208541657&do=diff Syntax boolean isemail(string $email) (PHP 4, PHP 5) $email Email to test if it is vaid or not RETURNS True result if the argument contains a valid e-mail address, false otherwise. What it Does Tests an expression to see if it contains a valid e-mail address or not. This function uses an advanced regular expression (POSIX version) to check the string argument. text/html 2011-02-11T12:30:27-04:00 http://www.php5script.com/doku.php?id=join&rev=1297445427&do=diff Syntax This method is simply an alias of implode string join(string $separator, array $parts) (PHP 4, PHP 5) $separator A string which is inserted between the individual parts to make a single string. $parts An array of strings which will be combined. RETURNS The combined parts from the array as a single string with the $separator between the parts. What it Does Join converts an array of strings ($parts) into one single string by placing the $separator text between each of the pa… text/html 2007-11-11T14:02:42-04:00 http://www.php5script.com/doku.php?id=kellyproj1&rev=1194807762&do=diff void establish_l1(FILE *fptr, int divisor_num) { int i; node1 *current; node1 *search; node1 *previous; node1 *newnode1; current = create_node1(); divisor = current; for(i = 1; i <= divisor_num; i++){ newnode1 = create_node1(); fscanf(fptr,"%d",&newnode1->op1); search = divisor; previous = NULL; while (search != NULL && search->op1 < newnode1->op1) { previous = search; search = search->next; … text/html 2011-02-11T12:39:18-04:00 http://www.php5script.com/doku.php?id=levenshtein&rev=1297445958&do=diff Syntax int levenshtein(string $left, array $right) (PHP 4, PHP 5) $left The first string to compare for Levenschtein distance. $right The second string to compare for Levenschtein distance. RETURNS The combined parts from the array as a single string with the $separator between the parts. What it Does Levenschtein compares two strings by using a character-by-character comparison. It determines the number of characters which need to be deleted, replaced, or inserted to transform on… text/html 2011-02-11T12:57:54-04:00 http://www.php5script.com/doku.php?id=localeconv&rev=1297447074&do=diff Syntax array localeconv() (PHP 4, PHP 5) RETURNS An associative array containing currency settings for the current locale. What it Does Retrieves an associative array containing all of the currency settings as defined by the current locale. These settings include the following: text/html 2011-02-11T13:28:39-04:00 http://www.php5script.com/doku.php?id=ltrim&rev=1297448919&do=diff Syntax string ltrim(string $source [, string $trimCharacters]) (PHP 4, PHP 5) $source The source string from which characters should be stripped. $trimCharacters A list of characters which should be stripped (optional). RETURNS The source string with characters stripped from the left side only. What it Does Trims whitespace characters from the left side (beginning) of the $source string. The user may specify a list of characters to strip by specifying the optional $trimCharacters p… text/html 2008-04-18T14:00:57-04:00 http://www.php5script.com/doku.php?id=math_functions&rev=1208541657&do=diff * abs * acos * acosh * asin * asinh * atan2 * atan * atanh * base_convert * bindec * ceil * cos * cosh * decbin * dechex * decoct * deg2rad * exp * expm1 * floor * fmod * getrandmax * hexdec * hypot * is_finite * is_infinite * is_nan * lcg_value * log10 * log1p * log * max * min * mt_getrandmax * mt_rand * mt_srand * octdec * pi * pow * rad2deg * rand * round * sin * sinh * sqrt * srand * tan * tanh text/html 2011-02-11T14:06:46-04:00 http://www.php5script.com/doku.php?id=md5&rev=1297451206&do=diff Syntax string md5(string $input [, bool $rawOutput = false ]) (PHP 4, PHP 5) $input The source content from which to compute an MD5 hash. $rawOutput If this is set to true, output the result as raw binary. RETURNS A message digest hash for the source content defined by $input or false if an error occurs. What it Does Computes a message digest hash (MD5) for the contents defined by $input. If any error occurs, this method will return false. text/html 2011-02-11T14:04:07-04:00 http://www.php5script.com/doku.php?id=md5_file&rev=1297451047&do=diff Syntax string md5_file(string $fileName [, bool $rawOutput = false ]) (PHP 4, PHP 5) $fileName The source file from which to compute an MD5 hash. $rawOutput If this is set to true, output the result as raw binary. RETURNS A message digest hash for the file referenced by $fileName or false if an error occurs (such as file not found). What it Does Computes a message digest hash (MD5) for the contents of the specified file ($fileName). This file must exists on the local filesystem (w… text/html 2011-02-14T14:00:35-04:00 http://www.php5script.com/doku.php?id=metaphone&rev=1297710035&do=diff Syntax string metaphone(string $text [, int $phonemes = 0]) (PHP 4 >= 4.01, PHP 5) $text Source text or binary string for the metaphone analysis. $phonemes Restrict the length of consequtive phonetic characters to this amount, zero denotes no limit. RETURNS Phonetic code for the supplied source string $text or false on error. What it Does Calculates the metaphone key for the provided string $text. This is similar to the soundex function which uses phonetics to create code for common… text/html 2008-04-18T14:00:57-04:00 http://www.php5script.com/doku.php?id=mysql_affected_rows&rev=1208541657&do=diff Syntax int mysql_affected_rows([resource $res]) (PHP 4, PHP 5) $res The database connection resource that we want to use. RETURNS Total number of rows affected by the last INSERT, UPDATE, or DELETE statement. What it Does This counts the total number of rows affected by the last INSERT, UPDATE, or DELETE statement. The $res parameter is optional. If not specified, the function will just use the last database resource opened by the script. text/html 2007-11-07T16:35:17-04:00 http://www.php5script.com/doku.php?id=mysql_change_user&rev=1194471317&do=diff Syntax boolean mysql_change_user(string $user, string $password [, string $database [, resource $res ]]) This function is deprecated and no longer exists in PHP (PHP 3) $user The database user name. $password The database user password. $database The database host name. $res The database connection resource that we want to modify. RETURNS True on success, False otherwise. What it Does Changes the logged-in user for the database connection ($res) specified. text/html 2008-04-18T14:00:59-04:00 http://www.php5script.com/doku.php?id=mysql_client_encoding&rev=1208541659&do=diff Syntax string mysql_client_encoding([resource $res]) (PHP 4 => 4.3.0, PHP 5) $res The database connection resource that we want to modify. RETURNS The name of the character set encoding used by the MySQL database. What it Does This function returns the name of the character set encoding used by the MySQL database server. Make sure you have established a connection to the database using mysql_connect before calling this function. text/html 2008-04-18T14:00:59-04:00 http://www.php5script.com/doku.php?id=mysql_close&rev=1208541659&do=diff Syntax boolean mysql_close(resource $res) (PHP 4, PHP 5) $res The database connection resource that we want to close. RETURNS True if the MySQL database connection was closed successfully, false otherwise. What it Does Closes the link to a MySQL database connection. You should always call this function when you are done communicating with a database in your script. text/html 2008-04-18T14:00:59-04:00 http://www.php5script.com/doku.php?id=mysql_connect&rev=1208541659&do=diff Syntax resource mysql_connect(string $host, string $user, string $pass [, $bool $newlink [, int $client_flags]]) (PHP 4, PHP 5) $host The database server name. (can be localhost, a named host, or an IP address). $user The mysql user account name for connecting to the database. $pass The mysql user account password for connecting to the database. $newlink Use this to force a new link to be established, even if an existing one already exists. $client_flags MySQL-specific options for … text/html 2008-04-18T14:00:59-04:00 http://www.php5script.com/doku.php?id=mysql_create_db&rev=1208541659&do=diff Syntax bool mysql_create_db(string $dbname [, resource $res]) (PHP 4, PHP 5) $dbname The name of the database you wish to create. $res The database connection resource that we want to use. RETURNS Detailed information about the last query. What it Does Attempts to create a new database on the MySQL server using the provided database name ($dbname). In order to succeed, the MySQL user you used to connect to the database must have DBA permissions on the server. The optional databas… text/html 2007-11-07T16:45:57-04:00 http://www.php5script.com/doku.php?id=mysql_data_seek&rev=1194471957&do=diff Syntax bool mysql_data_seek(resource $result, in $rowno) (PHP 4, PHP 5) $result The query result that we want to modify. $rowno Offset to the row number to navigate to. This number must be between 0 and rowcount - 1. RETURNS True if the seek operation was successful, False otherwise. What it Does Allows you to randomly access the results of a query by seeking (or moving) the internal record pointer to the specified position. Subsequent calls to mysql_fetch... will retrieve rows st… text/html 2008-04-18T14:00:59-04:00 http://www.php5script.com/doku.php?id=mysql_db_name&rev=1208541659&do=diff Syntax string mysql_db_name(resource $result, in $rowno [, mixed $field]) (PHP 4, PHP 5) $result The query result from a call to the function: mysql_list_dbs. $rowno Offset to the row number to navigate to. This number must be between 0 and rowcount - 1. $field The name of the field to retrieve. RETURNS The name of the database on success, or false when an error occurs. What it Does Retrieves the name of a database from the results set ($result) of a call to mysql_list_dbs. The… text/html 2007-11-07T17:02:18-04:00 http://www.php5script.com/doku.php?id=mysql_db_query&rev=1194472938&do=diff Syntax resource mysql_db_query(string $database, string $query [, resource $res]) (PHP 4, PHP 5) $database The name of the database to select before the query is run. $query An SQL query to be run on the database server. $res The MySQL database connection resource (returned by a call to mysql_connect. RETURNS A database query result resource. You may call the mysql_fetch... functions to read the data rows. What it Does Peforms a query ($query) against the specified database ($da… text/html 2008-04-18T14:01:00-04:00 http://www.php5script.com/doku.php?id=mysql_drop_db&rev=1208541660&do=diff Syntax bool mysql_drop_db(string $database, [, resource $res]) This function is deprecated and should no longer be used (PHP 4, PHP 5) $database The name of the database to drop from the MySQL server. $res The MySQL database connection resource to use for the operation. RETURNS True if the database was successfully dropped from the server, False otherwise. What it Does Attempts to drop (delete) an entire database from the database server. text/html 2008-04-18T14:01:00-04:00 http://www.php5script.com/doku.php?id=mysql_errno&rev=1208541660&do=diff Syntax int mysql_errno([resource $res]) (PHP 4, PHP 5) $res The database connection resource that we want to use. RETURNS MySQL-specific error code generated by the last database query. What it Does Returns the error code for the last MySQL error generated. mysql_query function will return false if an error occurred. You can check for this when running your query and use mysql_errno to get the error code. If the optional parameter $res is left out, the function will use the last d… text/html 2008-04-18T14:01:00-04:00 http://www.php5script.com/doku.php?id=mysql_error&rev=1208541660&do=diff Syntax string mysql_error([resource $res]) (PHP 4, PHP 5) $res The database connection resource that we want to use. RETURNS A human-readable error message for the last MySQL error generated. What it Does Creates a human-readable error message for the last MySQL error generated. Use this to debug database query errors in your page. If the optional parameter $res is left out, the function will use the last database resource opened by the script. text/html 2008-04-18T14:01:00-04:00 http://www.php5script.com/doku.php?id=mysql_escape_string&rev=1208541660&do=diff Syntax string mysql_escape_string(string $str) (PHP 4, PHP 5) $str The source string which will be escaped for use in a MySQL query. RETURNS The escaped string which may be used in a MySQL query. What it Does Performs escaping of special characters in MySQL necessary for passing values to the database server. Use this whenever you build an SQL query which uses a string literal. You should also use this function to prevent SQL injection attacks against your database. text/html 2008-04-18T14:01:00-04:00 http://www.php5script.com/doku.php?id=mysql_fetch_array&rev=1208541660&do=diff Syntax array mysql_fetch_array(resource $res [, int $resulttype]) (PHP 4, PHP 5) $res The database result returned by a call to mysql_query. $resulttype The type of array the function should return. RETURNS The array representing the next row in the result set, or false when the recordset is empty or no more records can be retrieved. Possible Values for $resulttype text/html 2008-04-18T14:01:01-04:00 http://www.php5script.com/doku.php?id=mysql_info&rev=1208541661&do=diff Syntax string mysql_info([resource $res]) (PHP 4 >= 4.30, PHP 5) $res The database connection resource that we want to use. RETURNS Detailed information about the last query. What it Does Returns information about the last query run against the MySQL database. This information includes: text/html 2011-02-16T12:57:53-04:00 http://www.php5script.com/doku.php?id=nl2br&rev=1297879073&do=diff Syntax string nl2br(string $text [, bool $use_xhtml_tags = true]) (PHP 4, PHP 5) $text The source string to convert. $use_xhtml_tags Should we use XHTML break tags (<br/>) or normal HTML tags (<br>). RETURNS The source string with breaks inserted before all newlines. What it Does Inserts an XHTML (or HTML) break element before all newlines in the source string. text/html 2011-02-15T20:10:51-04:00 http://www.php5script.com/doku.php?id=nl_langinfo&rev=1297818651&do=diff Syntax string nl_langinfo( int $element ) (PHP 4 >= 4.1.0, PHP 5) $element A code indicating which local element to retrieve. RETURNS A local element using the currently defined locale setting. What it Does Retrieves locale information for the currently set locale. Many different locale information may be retrieved from the system as shown below. text/html 2011-02-16T13:03:34-04:00 http://www.php5script.com/doku.php?id=number_format&rev=1297879414&do=diff Syntax string number_format(float $number [, int $decimals = 0]) string number_format(float $number , int $decimals = 0, string $decimal_point = '.', string $thousands_sep = ',') (PHP 4, PHP 5) $number The number we want to format. $decimals The number of decimals shown after the decimal point. $decimal_point The character string to use in place of the decimal point. $thousands_sep The character string to use in place of the thousands separator. RETURNS The number formatted accordi… text/html 2007-05-17T13:51:21-04:00 http://www.php5script.com/doku.php?id=objects&rev=1179424281&do=diff What are Objects? An object is a complex data type that includes a collection of data fields, methods and properties. It is best to think of objects as real world objects (for the purpose of learning Object-oriented Programming or OOP). Let's say we define a class of objects for a car. text/html 2011-02-16T13:06:12-04:00 http://www.php5script.com/doku.php?id=ord&rev=1297879572&do=diff Syntax int ord(string $text) (PHP 4, PHP 5) $text The source string to read. RETURNS The ASCII character code (as an integer) for the first character of $text. What it Does This function interprets the ASCII character code for the first character of the source string ($text) and returns this as an integer. text/html 2011-02-16T13:12:30-04:00 http://www.php5script.com/doku.php?id=parse_str&rev=1297879950&do=diff Syntax void parse_str(string $queryString [, array &$arr]) (PHP 4, PHP 5) $queryString A querystring which should be parsed into variables. $arr If provided, key-value pairs will populate this local array instead of using local variables. RETURNS Nothing, side-effect is that local variables are created for each key-value pair. What it Does This function parses a string that is in the same format as a URI query string and places the key-value pairs into variables within the local scop… text/html 2008-04-18T14:01:01-04:00 http://www.php5script.com/doku.php?id=pattern_modifiers&rev=1208541661&do=diff What is a Pattern? The main purpose of regular expressions is to perform advanced pattern matching on text strings. A pattern defines rules so that a computer can recognize a sequence of characters. Let's take for example, a pattern which matches a 7-digit phone number. text/html 2008-04-18T14:01:01-04:00 http://www.php5script.com/doku.php?id=postget&rev=1208541661&do=diff Syntax string postget(string $name) (PHP 4, PHP 5) $name Name of the POST or GET variable to retrieve. RETURNS A string from the $_POST or $_GET hash arrays with $name as the key. What it Does Retrieves a form variable from the $_GET OR $_POST arrays. These represent querystring and form post variables passed to a script from another page. The function first checks for the existence of a $_POST value and, if found, returns that. Failing that, it will return the value of the $_GET … text/html 2008-04-18T14:01:01-04:00 http://www.php5script.com/doku.php?id=preg_grep&rev=1208541661&do=diff Syntax array preg_grep(string $pattern, array $source [, int $flags]) (PHP 4, PHP 5) $pattern A POSIX regular expression string. $source An array of values to test against the regular expression. $flags The only option is PREG_GREP_INVERT which returns the opposite array (elements which DO NOT match the pattern). RETURNS An array made up of elements from the $source array which match the pattern ($pattern). What it Does Given an input array ($source) and regular expression ($patt… text/html 2008-04-18T14:01:02-04:00 http://www.php5script.com/doku.php?id=preg_last_error&rev=1208541662&do=diff Syntax int preg_last_error(void) (PHP 5 >= 5.20) RETURNS An error code indicating the last error that was generated by the regular expression. Possible Return Values PREG_NO_ERROR No error occurred. PREG_INTERNAL_ERROR An internal regex error occurred. PREG_BACKTRACK_LIMIT_ERROR The maximum number of backtracks was exceeded. PREG_RECURSION_LIMIT_ERROR The maximum number of recursions was exceeded. PREG_BAD_UTF8_ERROR The pattern contains bad character data that doesn't confor… text/html 2008-04-18T14:01:02-04:00 http://www.php5script.com/doku.php?id=preg_match&rev=1208541662&do=diff Syntax int preg_match(string $pattern, string $source, array &$matches [, int $flags [, int $offset]]) (PHP 4, PHP 5) $pattern A POSIX regular expression string. $source The source string to perform the match operation against. $matches The output of the regular expression match operation. $flags Options for the type of pattern matching to perform (see below). $offset Offset (character position) within the source string to start the pattern matching from. RETURNS The total numbe… text/html 2008-04-18T14:01:02-04:00 http://www.php5script.com/doku.php?id=preg_match_all&rev=1208541662&do=diff Syntax int preg_match_all(string $pattern, string $source, array &$matches [, int $flags [, int $offset]]) (PHP 4, PHP 5) $pattern A POSIX regular expression string. $source The source string to perform the match operation against. $matches The output of the regular expression match operation. $flags Options for the type of pattern matching to perform (see below). $offset Offset (character position) within the source string to start the pattern matching from. RETURNS The total n… text/html 2008-04-18T14:01:02-04:00 http://www.php5script.com/doku.php?id=preg_quote&rev=1208541662&do=diff Syntax string preg_quote(string $str [, string $delimiter]) (PHP 4, PHP 5) $str The source string that you want to quote. $delimiter An additional (non-standard) character which should be escaped. This is normally used to escape the character which delimits the start and end of the pattern (see example below). RETURNS The quoted pattern string with special characters escaped (normally, this is done with a backslash character (\). What it Does This function adds special escape code… text/html 2011-02-18T17:00:26-04:00 http://www.php5script.com/doku.php?id=quoted_printable_decode&rev=1298066426&do=diff Syntax string quoted_printable_decode(string $text) (PHP 4, PHP 5) $text The source string to decode. RETURNS A binary string which represents an e-mail attachment. What it Does Converts a quoted printable string which is commonly used in e-mail messages to a binary string. Quoted printable is a way to encode attachments to e-mails which may be binary or text-based files. text/html 2011-02-18T17:06:59-04:00 http://www.php5script.com/doku.php?id=quotemeta&rev=1298066819&do=diff Syntax string quotemeta( string $text ) (PHP 4, PHP 5) $text The source string to escape pattern characters. RETURNS The string with special pattern characters escaped with a backslash. What it Does This method was originally intended for escaping characters that are commonly used in a regular expression pattern. This will excape the following characters with a backslash: text/html 2008-04-18T14:01:02-04:00 http://www.php5script.com/doku.php?id=regular_expressions&rev=1208541662&do=diff Perl Compatible Regular Expressions * Pattern Modifiers * Pattern Syntax * preg_grep * preg_last_error * preg_match_all * preg_match * preg_quote * preg_replace_callback * preg_replace * preg_split POSIX Extended Regular Expressions * ereg_replace * ereg * eregi_replace * eregi * split * spliti * sql_regcase text/html 2011-02-18T17:20:02-04:00 http://www.php5script.com/doku.php?id=rtrim&rev=1298067602&do=diff Syntax string rtrim( string $text [, string $characterList ) (PHP 4, PHP 5) $text The source string to escape pattern characters. $characterList A list of characters to be removed. RETURNS The source string with invalid characters stripped from the end. What it Does This method takes the source string ($text) and strips any whitespace characters from the end. This whitespace characters are shown below: text/html 2007-11-05T13:54:45-04:00 http://www.php5script.com/doku.php?id=server_specific&rev=1194288885&do=diff $_SERVER Global The built-in global variable $_SERVER contains a collection of information that is relevant to the processing environment. This hashtable has many different keys which are described in details below. Hash Key Name Description PHP_SELF This variable holds the complete name of the script currently being run on the server. This will look something like /path/to/folder/page.php. argv This variable is only present when you run a PHP script from the command line. It contain… text/html 2011-02-18T17:35:56-04:00 http://www.php5script.com/doku.php?id=setlocale&rev=1298068556&do=diff Syntax string setlocale( string $category, string $locale [, string $... ) (PHP 4, PHP 5) $category The category of locale information to set. $locale If NULL or empty string, the locale names modified will be set based upon environment variables. If $locale is “0”, no settings are affected and instead the current setting is returned. If you pass an array for the $locale, the system will attempt to set each value from the array and the list of parameters which follows it. RETURNS The … text/html 2011-02-18T17:40:55-04:00 http://www.php5script.com/doku.php?id=sha1_file&rev=1298068855&do=diff Syntax string sha1_file(string $filename [, bool $raw_output = false] ) (PHP 4 >= 4.3.0, PHP 5) $filename A file located on the local machine. $raw_output If set to true, function returns a raw binary string containing the computed digest. RETURNS Computes a checksum using the Secure Hash Algorithm and returns this as a string or a raw binary data. What it Does The sha1_file method computes a secure hash algorithm on a file which is commonly used as a checksum for a file. This funct… text/html 2007-11-06T12:52:01-04:00 http://www.php5script.com/doku.php?id=start&rev=1194371521&do=diff PHP Script is a language and algorithm database for the PHP scripting language. PHP Language Reference PHP Functions PHP Built-in Objects Datatypes String Functions Cookies and Form Variables Control Structures Math Functions Server Specific Objects Date and Time Functions Other Regular Expressions Database Functions Free PHP Scripts Email Scripts Form Scripts text/html 2007-05-16T18:38:58-04:00 http://www.php5script.com/doku.php?id=string_functions&rev=1179355138&do=diff * addcslashes * addslashes * bin2hex * chop * chr * chunk_split * convert_cyr_string * convert_uudecode * convert_uuencode * count_chars * crc32 * crypt * echo * explode * fprintf * get_html_translation_table * hebrev * hebrevc * html_entity_decode * htmlentities * htmlspecialchars_decode * htmlspecialchars * implode * join * levenshtein * localeconv * ltrim * md5_file * md5 * metaphone * money_format * nl_langinfo * nl2br * numb… text/html 2011-07-25T17:21:54-04:00 http://www.php5script.com/doku.php?id=wiki_editing_title&rev=1311628914&do=diff wiki editing content