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<?php function a(&$a, &$b, &$c) { $a = 3; } $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); $foo[1] = 'hi'; var_dump($diff);
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