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<?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 $Id$
* @package phpMyAdmin-StringType-CType
*/
/**
* Checks if a character is an alphanumeric one
*
* @uses ctype_alnum()
* @param string character to check for
* @return boolean whether the character is an alphanumeric one or not
*/
function PMA_STR_isAlnum($c)
{
return ctype_alnum($c);
} // end of the "PMA_STR_isAlnum()" function
/**
* Checks if a character is an alphabetic one
*
* @uses ctype_alpha()
* @param string character to check for
* @return boolean whether the character is an alphabetic one or not
*/
function PMA_STR_isAlpha($c)
{
return ctype_alpha($c);
} // end of the "PMA_STR_isAlpha()" function
/**
* Checks if a character is a digit
*
* @uses ctype_digit()
* @param string character to check for
* @return boolean whether the character is a digit or not
*/
function PMA_STR_isDigit($c)
{
return ctype_digit($c);
} // end of the "PMA_STR_isDigit()" function
/**
* Checks if a character is an upper alphabetic one
*
* @uses ctype_upper()
* @param string character to check for
* @return boolean whether the character is an upper alphabetic one or not
*/
function PMA_STR_isUpper($c)
{
return ctype_upper($c);
} // end of the "PMA_STR_isUpper()" function
/**
* Checks if a character is a lower alphabetic one
*
* @uses ctype_lower()
* @param string character to check for
* @return boolean whether the character is a lower alphabetic one or not
*/
function PMA_STR_isLower($c)
{
return ctype_lower($c);
} // end of the "PMA_STR_isLower()" function
/**
* Checks if a character is a space one
*
* @uses ctype_space()
* @param string character to check for
* @return boolean whether the character is a space one or not
*/
function PMA_STR_isSpace($c)
{
return ctype_space($c);
} // end of the "PMA_STR_isSpace()" function
/**
* Checks if a character is an hexadecimal digit
*
* @uses ctype_xdigit()
* @param string character to check for
* @return boolean whether the character is an hexadecimal digit or not
*/
function PMA_STR_isHexDigit($c)
{
return ctype_xdigit($c);
} // end of the "PMA_STR_isHexDigit()" function
?>
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