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<?php function test_assert($string, $arguments = array()) { // Make sure we don't pass in an empty string. assert('$string !== \'\' && (empty($arguments) || strtr($string, $arguments) !== \'\')', 'empty fail:' . $string); // Make sure we don't translate unnecessarily. assert('empty($arguments) || strtr($string, $arguments) != implode($arguments)', 'unnecesary fail: ' . $string); } test_assert('@test1', ['@test1' => 'test']); test_assert('@test2', ['@test1' => 'test']); test_assert('@test3 foo', ['@test3' => 'test3', '@test_not_used' => 'test']); test_assert('@test3 foo', ['@test3' => 'test3', '@test_not_used' => 'test']);
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