Online PHP editor | output for mYbs5

@ 2015-12-21T19:27:13Z

<?php
class interpreter {
    private $_code;
    public function __construct($code) {
        if(!is_string($code)) exit('Error while parsing code; Code not conformal.');
        $this->_code = $code;
        $this->exec();
    }
    public function parser($code = null) {
        $array = [];
        if($code === null) $code = $this->_code;
        if(preg_match('#print\((.*)\)#', $code, $array)) echo($array[1]);
    }
}
$code = 'print("Hello World!");';
$program = new interpreter($code);

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: Fatal error: Uncaught Error: Call to undefined method interpreter::exec() in /in/mYbs5:7 Stack trace: #0 /in/mYbs5(16): interpreter->__construct('print("Hello Wo...') #1 {main} thrown in /in/mYbs5 on line 7
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Fatal error: Call to undefined method interpreter::exec() in /in/mYbs5 on line 7
Process exited with code 255.

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