Use of the ZF framework Validator [custom validator and validator chain]

Use of the ZF framework Validator [custom validator and validator chain]

Homework Require_once ("Zend/Loader. php "); // Introduce the validator class and the validator function class (Int), and the custom interface class; Zend_Loader: loadClass ('zend _ validate '); Zend_Loader: loadClass ('zend _ Validate_Int '); Zend_Loader: loadClass ('zend _ Validate_Interface '); // Added the UDF class GongBeiNum [public Multiple] Class GongBeiNum implements Zend_Validate_Interface { // Declare the error message report attribute in the interface Protected $ _ messages = array (); // Declare the verification method in the interface Public function isValid ($ num) { If (! ($ Num % 3 = 0 )&&! ($ Num % 5 = 0 )) { // If the verification fails, the error message returned value is used to report the attribute to the error message. $ This-> _ messages [] = "the value you entered is not a public multiple of 3 and 5! "; // Terminate the program Return false; } // Returns true Return true; } // Define the interface error reporting method Public function getMessages () { Return $ this-> _ messages; } // Define the extraction error message (optional) Public function getErrors () { } } // Out-of-class definition detection public multiples method Function check_num ($ num) { // Instantiate the validator class $ Validate = new Zend_Validate (); // Add the validator function class and the custom validator function class to form the validator chain $ Validate-> addValidator (new Zend_Validate_Int ()) -> AddValidator (new GongBeiNum ()); // Check parameters If (! $ Validate-> isValid ($ num )) { // If the error loop error message is returned Foreach ($ Validate-> getMessages () as $ value) { Echo $ value ." "; Return false; } } } // Specify the judgment value $ Num1 = '15 '; // Run the verification method Check_num ($ num1 ); ?>