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<?php // Outside of the application, e.g. DB or some storage. function addSomeIntegerFieldToDB($value) { $sql = 'INSERT INTO mytable (integer_field) VALUES (:int)'; // $st = $pdo->prepare($sql); // $st->execute(array('int' => $value); } // the application: global $conditional; $conditional = true; class X { public function doSmth($id) { // Assertion will run independently of $conditional, thus preventing a wrong $id to be passed to ->doSmth() method assert(is_int($id), \Exception('wot ar y doin')); global $conditional; if ($conditional) { addSomeIntegerFieldToDB($id); } } } $obj = new X; $obj->doSmth(13);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function Exception() in /in/smYKU:20 Stack trace: #0 /in/smYKU(33): X->doSmth(13) #1 {main} thrown in /in/smYKU on line 20
Process exited with code 255.

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