Viewing file: string_type_native.lib.php (4.11 KB) -rw-rw-rw- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?php /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * Specialized String Functions for phpMyAdmin * * Copyright 2002 Robin Johnson <robbat2@users.sourceforge.net> * http://www.orbis-terrarum.net/?l=people.robbat2 * * Defines a set of function callbacks that have a pure C version available if * the "ctype" extension is available, but otherwise have PHP versions to use * (that are slower). * * The SQL Parser code relies heavily on these functions. * * @version $Id: string_type_native.lib.php 11974 2008-11-24 09:31:30Z nijel $ * @package phpMyAdmin-StringType-Native */
/** * Checks if a character is an alphanumeric one * * @uses PMA_STR_isUpper() * @uses PMA_STR_isLower() * @uses PMA_STR_isDigit() * @param string character to check for * @return boolean whether the character is an alphanumeric one or not */ function PMA_STR_isAlnum($c) { return (PMA_STR_isUpper($c) || PMA_STR_isLower($c) || PMA_STR_isDigit($c)); } // end of the "PMA_STR_isAlnum()" function
/** * Checks if a character is an alphabetic one * * @uses PMA_STR_isUpper() * @uses PMA_STR_isLower() * @param string character to check for * @return boolean whether the character is an alphabetic one or not */ function PMA_STR_isAlpha($c) { return (PMA_STR_isUpper($c) || PMA_STR_isLower($c)); } // end of the "PMA_STR_isAlpha()" function
/** * Checks if a character is a digit * * @uses PMA_STR_numberInRangeInclusive() * @uses ord() * @param string character to check for * @return boolean whether the character is a digit or not */ function PMA_STR_isDigit($c) { $ord_zero = 48; //ord('0'); $ord_nine = 57; //ord('9'); $ord_c = ord($c);
return PMA_STR_numberInRangeInclusive($ord_c, $ord_zero, $ord_nine); } // end of the "PMA_STR_isDigit()" function
/** * Checks if a character is an upper alphabetic one * * @uses PMA_STR_numberInRangeInclusive() * @uses ord() * @param string character to check for * @return boolean whether the character is an upper alphabetic one or not */ function PMA_STR_isUpper($c) { $ord_zero = 65; //ord('A'); $ord_nine = 90; //ord('Z'); $ord_c = ord($c);
return PMA_STR_numberInRangeInclusive($ord_c, $ord_zero, $ord_nine); } // end of the "PMA_STR_isUpper()" function
/** * Checks if a character is a lower alphabetic one * * @uses PMA_STR_numberInRangeInclusive() * @uses ord() * @param string character to check for * @return boolean whether the character is a lower alphabetic one or not */ function PMA_STR_isLower($c) { $ord_zero = 97; //ord('a'); $ord_nine = 122; //ord('z'); $ord_c = ord($c);
return PMA_STR_numberInRangeInclusive($ord_c, $ord_zero, $ord_nine); } // end of the "PMA_STR_isLower()" function
/** * Checks if a character is a space one * * @uses PMA_STR_numberInRangeInclusive() * @uses ord() * @param string character to check for * @return boolean whether the character is a space one or not */ function PMA_STR_isSpace($c) { $ord_space = 32; //ord(' ') $ord_tab = 9; //ord('\t') $ord_CR = 13; //ord('\n') $ord_NOBR = 160; //ord('U+00A0); $ord_c = ord($c);
return ($ord_c == $ord_space || $ord_c == $ord_NOBR || PMA_STR_numberInRangeInclusive($ord_c, $ord_tab, $ord_CR)); } // end of the "PMA_STR_isSpace()" function
/** * Checks if a character is an hexadecimal digit * * @uses PMA_STR_numberInRangeInclusive() * @uses ord() * @param string character to check for * @return boolean whether the character is an hexadecimal digit or not */ function PMA_STR_isHexDigit($c) { $ord_Aupper = 65; //ord('A'); $ord_Fupper = 70; //ord('F'); $ord_Alower = 97; //ord('a'); $ord_Flower = 102; //ord('f'); $ord_zero = 48; //ord('0'); $ord_nine = 57; //ord('9'); $ord_c = ord($c);
return (PMA_STR_numberInRangeInclusive($ord_c, $ord_zero, $ord_nine) || PMA_STR_numberInRangeInclusive($ord_c, $ord_Aupper, $ord_Fupper) || PMA_STR_numberInRangeInclusive($ord_c, $ord_Alower, $ord_Flower)); } // end of the "PMA_STR_isHexDigit()" function
?>
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