Online PHP editor | refs for SnhXN

<?php // Outside of the application, e.g. DB, RPC or some storage. function addSomeIntegerFieldToDB($value) { $sql = 'INSERT INTO mytable (integer_field) VALUES (:int)'; // $st = $pdo->prepare($sql); // $st->execute(array('int' => $value); echo "executing query: ".str_replace(':int', $value, $sql)." \n"; } // the application: global $conditional; global $withAssert; class X { public function doSmth($id) { global $conditional; global $withAssert; if ($withAssert) { // Assertion will run outside of the if/else below // Preventing a wrong $id to be passed to ->doSmth() method, independent of the $conditional assert(is_int($id), new \InvalidArgumentException('wot ar y doin')); } if ($conditional) { addSomeIntegerFieldToDB($id); } else { echo "Skipping a query with value of '".$id."'\n"; } } } $obj = new X; $withAssert = false; $conditional = true; // Assert off, conditional on $obj->doSmth(13); $obj->doSmth('x'); // Assert off, conditional off $conditional = false; $obj->doSmth(13); $obj->doSmth('x'); // Assert on, conditional on $withAssert = true; $conditional = true; $obj->doSmth(13); $obj->doSmth('x'); // Assert on, conditional off $conditional = false; $obj->doSmth(13); $obj->doSmth('x');