107 lines
2.6 KiB
PHP
107 lines
2.6 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Specialized String Class for phpMyAdmin
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*
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* Defines a set of function callbacks that have a pure C version available if
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* the "ctype" extension is available, but otherwise have PHP versions to use
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* (that are slower).
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*
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* The SQL Parser code relies heavily on these functions.
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*
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* @package PhpMyAdmin-String
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* @subpackage CType
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*/
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if (! defined('PHPMYADMIN')) {
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exit;
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}
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class PMA_StringCType
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{
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/**
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* Checks if a character is an alphanumeric one
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*
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* @param string $c character to check for
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*
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* @return boolean whether the character is an alphanumeric one or not
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*/
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public static function isAlnum($c)
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{
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return ctype_alnum($c);
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} // end of the "isAlnum()" function
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/**
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* Checks if a character is an alphabetic one
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*
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* @param string $c character to check for
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*
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* @return boolean whether the character is an alphabetic one or not
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*/
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public static function isAlpha($c)
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{
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return ctype_alpha($c);
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} // end of the "isAlpha()" function
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/**
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* Checks if a character is a digit
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*
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* @param string $c character to check for
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*
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* @return boolean whether the character is a digit or not
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*/
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public static function isDigit($c)
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{
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return ctype_digit($c);
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} // end of the "isDigit()" function
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/**
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* Checks if a character is an upper alphabetic one
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*
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* @param string $c character to check for
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*
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* @return boolean whether the character is an upper alphabetic one or not
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*/
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public static function isUpper($c)
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{
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return ctype_upper($c);
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} // end of the "isUpper()" function
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/**
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* Checks if a character is a lower alphabetic one
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*
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* @param string $c character to check for
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*
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* @return boolean whether the character is a lower alphabetic one or not
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*/
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public static function isLower($c)
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{
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return ctype_lower($c);
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} // end of the "PisLower()" function
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/**
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* Checks if a character is a space one
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*
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* @param string $c character to check for
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*
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* @return boolean whether the character is a space one or not
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*/
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public static function isSpace($c)
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{
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return ctype_space($c);
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} // end of the "isSpace()" function
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/**
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* Checks if a character is an hexadecimal digit
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*
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* @param string $c character to check for
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*
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* @return boolean whether the character is an hexadecimal digit or not
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*/
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public static function isHexDigit($c)
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{
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return ctype_xdigit($c);
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} // end of the "isHexDigit()" function
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}
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?>
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