3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $data = array('foo' => 'bar'); public function get($key) { return array_key_exists($key, $data) ? $data[$key] : NULL; } } $foo = new Foo(); $result = !empty($foo->get('foo')); var_export($result); $result = !empty($foo->get('bar')); var_export($result);

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