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From an engine perspective, named parameters mainly add three concepts: * The SEND_* opcodes now accept a CONST op2, which is the argument name. For now, it is looked up by linear scan and runtime cached. * This may leave UNDEF arguments on the stack. To avoid having to deal with them in other places, a CHECK_UNDEF_ARGS opcode is used to either replace them with defaults, or error. * For variadic functions, EX(extra_named_params) are collected and need to be freed based on ZEND_CALL_HAS_EXTRA_NAMED_PARAMS. RFC: https://wiki.php.net/rfc/named_params Closes GH-5357.
70 lines
999 B
PHP
70 lines
999 B
PHP
--TEST--
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Extra named params in backtraces
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--FILE--
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<?php
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function test($a, ...$rest) {
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var_dump(debug_backtrace());
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debug_print_backtrace();
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throw new Exception("Test");
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}
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try {
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test(1, 2, x: 3, y: 4);
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} catch (Exception $e) {
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var_dump($e->getTrace());
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echo $e, "\n";
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}
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?>
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--EXPECTF--
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array(1) {
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[0]=>
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array(4) {
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["file"]=>
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string(%d) "%s"
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["line"]=>
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int(10)
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["function"]=>
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string(4) "test"
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["args"]=>
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array(4) {
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[0]=>
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int(1)
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[1]=>
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int(2)
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["x"]=>
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int(3)
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["y"]=>
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int(4)
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}
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}
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}
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#0 test(1, 2, x: 3, y: 4) called at [%s:10]
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array(1) {
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[0]=>
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array(4) {
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["file"]=>
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string(%d) "%s"
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["line"]=>
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int(10)
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["function"]=>
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string(4) "test"
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["args"]=>
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array(4) {
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[0]=>
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int(1)
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[1]=>
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int(2)
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["x"]=>
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int(3)
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["y"]=>
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int(4)
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}
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}
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}
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Exception: Test in %s:%d
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Stack trace:
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#0 %s(%d): test(1, 2, x: 3, y: 4)
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#1 {main}
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