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@ 2013-02-12T01:34:06Z

<?php
class Intercept {

    protected $class = null;
    protected $callback = null;

    public function __construct($class, $callback = null) {

        $this->class = new $class();
        $this->callback = $callback;
    }

    protected function run_callback() {

        ($this->callback)();
    }

    public function __get($name) {

        $this->run_callback();
        return $this->class->$name;
    }

    public function __set($name, $value) {

        $this->run_callback();      
        return $this->class->$name = $value;
    }

    public function __isset($name) {

        $this->run_callback();
        return isset($this->class->$name);
    }

    public function __unset($name) {

        $this->run_callback();
        unset($this->class->$name);
    }

    public function __call($method, $args) {

        $this->run_callback();
        return call_user_func_array(array($this->class, $method), $args);
    }

    public function __toString() {

        $this->run_callback();
        return $this->class;
    }

    public function __invoke() {

        $this->run_callback();
        return $this->class();
    }
}

class test {
    public function hello() { 
        return 'world'; 
    }
}

$closure = function() {
    echo 123;
};

$test=new Intercept('test', $closure);
echo $test->hello();

Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: 123world
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Parse error: syntax error, unexpected '(' in /in/qV2Sd on line 15
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected '(' in /in/qV2Sd on line 15
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/qV2Sd on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/qV2Sd on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/qV2Sd on line 4
Process exited with code 255.

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