Define class helper class to check the method existance
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<?php class A { function getA( ) { return array( "A", "B" ); } }
class Helper { private $classA;
function __construct( A $classA ) { $this->classA = $classA; }
function __call( $method, $args ) { if ( method_exists( $this->classA, $method ) ) { return $this->classA->$method( ); } } }
$tool= new Helper( new A() ); print_r( $tool->getA() ); ?>
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