Online PHP editor | refs for WvWvG

<?php function test_assert($string, $arguments = array()) { assert('$string !== \'\' && (empty($arguments) || strtr($string, $arguments) !== \'\')', 'empty fail:' . $string); assert('empty($arguments) || strtr($string, $arguments) != implode($arguments)', 'unnecessary fail: ' . $string); } test_assert('@test1', ['@test1' => 'test']); test_assert('@test2', ['@test2' => 'test']); test_assert('@test3 foo', ['@test3' => 'test3', '@test_not_used' => 'test']); test_assert('@test4 foo', ['@test4' => 'test4']); test_assert('@test5a@test5b', ['@test5a' => '', '@test5b' => '']); test_assert('');