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<?php
/**
* Defines a set of specialized string functions.
*
* @package PhpMyAdmin-String
*/
interface PMA_StringType
{
/**
* Checks if a character is an alphanumeric one
*
* @param string $c character to check for
*
* @return boolean whether the character is an alphanumeric one or not
*/
public function isAlnum($c);
/**
* Checks if a character is an alphabetic one
*
* @param string $c character to check for
*
* @return boolean whether the character is an alphabetic one or not
*/
public function isAlpha($c);
/**
* Checks if a character is a digit
*
* @param string $c character to check for
*
* @return boolean whether the character is a digit or not
*/
public function isDigit($c);
/**
* Checks if a character is an upper alphabetic one
*
* @param string $c character to check for
*
* @return boolean whether the character is an upper alphabetic one or not
*/
public function isUpper($c);
/**
* Checks if a character is a lower alphabetic one
*
* @param string $c character to check for
*
* @return boolean whether the character is a lower alphabetic one or not
*/
public function isLower($c);
/**
* Checks if a character is a space one
*
* @param string $c character to check for
*
* @return boolean whether the character is a space one or not
*/
public function isSpace($c);
/**
* Checks if a character is an hexadecimal digit
*
* @param string $c character to check for
*
* @return boolean whether the character is an hexadecimal digit or not
*/
public function isHexDigit($c);
/**
* Checks if a number is in a range
*
* @param integer $num number to check for
* @param integer $lower lower bound
* @param integer $upper upper bound
*
* @return boolean whether the number is in the range or not
*/
public function numberInRangeInclusive($num, $lower, $upper);
}
?>
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