method_exists : Reflection Class Methods « Class « PHP

1. PHP
2. Class
3. Reflection Class Methods

method_exists

<?php
class Person {
    private $name;    
    private $age;    
    private $id;    

    function __construct( $name, $age ) {
        $this->name = $name;
        $this->age = $age;
    }

    function setId( $id ) {
        $this->id = $id;
    }
    
    function getId(){
        echo "get id method";    
    }
    
    function __clone() {
        $this->id = 0;
    }
}
$p = new Person("A",10);



$method = "getId";     // define a method name


if ( method_exists( $p, $method ) ) {
    print $p->$method();  // invoke the method
}

?>


           
       

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