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  Classes of Martin Alterisio  >  Type Hint Class  >  String.php  >  Download  
File: String.php
Role: Class source
Content type: text/plain
Description: String TypeHint
Class: Type Hint Class
Implement type hinting support for base PHP types
Author: By
Last change: Accessible without user login
Date: 2007-10-24 06:10
Size: 841 bytes
 

Contents

Class file image Download
<?php
/**
 * @package typehintclass
 */

/**
 * Type hint class for all values that can be used as strings.
 */
final class String implements TypeHint {
    
/**
     * Type hint class, cannot be instantiated nor extended.
     */
    
private function __construct() { }
    
    
/**
     * Indicates if this class represents a type hint for provided value.
     * @param mixed $value The value.
     * @return bool True if this class represents a type hint for that value.
     */
    
public static function isTypeHintFor($value) {
        if (
is_string($value)) {
            return 
true;
        } else if (
is_int($value) || is_float($value)) {
            return 
true;
        } else if (
is_object($value)) {
            return 
method_exists($value'__toString');
        }
        return 
false;
    }
}
?>