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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.
73 lines
1.6 KiB
PHP
73 lines
1.6 KiB
PHP
--TEST--
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Behavior of call_user_func_array() with named parameters
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--FILE--
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<?php
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namespace {
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$test = function($a = 'a', $b = 'b', $c = 'c') {
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echo "a = $a, b = $b, c = $c\n";
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};
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$test_variadic = function(...$args) {
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var_dump($args);
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};
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call_user_func_array($test, ['A', 'B']);
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call_user_func_array($test, [1 => 'A', 0 => 'B']);
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call_user_func_array($test, ['A', 'c' => 'C']);
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call_user_func_array($test_variadic, ['A', 'c' => 'C']);
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try {
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call_user_func_array($test, ['d' => 'D']);
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} catch (\Error $e) {
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echo $e->getMessage(), "\n";
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}
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try {
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call_user_func_array($test, ['c' => 'C', 'A']);
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} catch (\Error $e) {
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echo $e->getMessage(), "\n";
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}
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echo "\n";
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}
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namespace Foo {
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call_user_func_array($test, ['A', 'B']);
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call_user_func_array($test, [1 => 'A', 0 => 'B']);
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call_user_func_array($test, ['A', 'c' => 'C']);
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call_user_func_array($test_variadic, ['A', 'c' => 'C']);
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try {
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call_user_func_array($test, ['d' => 'D']);
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} catch (\Error $e) {
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echo $e->getMessage(), "\n";
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}
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try {
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call_user_func_array($test, ['c' => 'C', 'A']);
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} catch (\Error $e) {
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echo $e->getMessage(), "\n";
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}
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}
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?>
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--EXPECT--
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a = A, b = B, c = c
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a = A, b = B, c = c
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a = A, b = b, c = C
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array(2) {
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[0]=>
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string(1) "A"
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["c"]=>
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string(1) "C"
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}
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Unknown named parameter $d
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Cannot use positional argument after named argument
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a = A, b = B, c = c
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a = A, b = B, c = c
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a = A, b = b, c = C
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array(2) {
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[0]=>
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string(1) "A"
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["c"]=>
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string(1) "C"
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}
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Unknown named parameter $d
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Cannot use positional argument after named argument
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