Online PHP editor | refs for T3M2Z

<?php $mysqli = new mysqli('localhost', 'user', 'password', 'test'); function a(&$a,&$b,&$c) { $a = 3; var_dump($a); } $foo = [1, 2, 3]; $bar = [3, 4, 5]; $stmt = $mysqli->prepare("SELECT ?,?,?"); // What's the difference between this $stmt->bind_param('sss', $foo[0],$foo[1],$foo[2]); // and this a($foo[0],$foo[1],$foo[2]); $diff = array_diff($foo, $bar); $foo[1] = 'hi'; var_dump($foo, $diff);