Should be noted that this is for user defined functions only. Not internal (extension or otherwise).
(PECL parsekit >= 0.3.0)
parsekit_func_arginfo — Return information regarding function argument(s)
此函数是实验性的。此函数的表象，包括名称及其相关文档都可能在未来的 PHP 发布版本中未通知就被修改。使用本函数风险自担 。
functionA string describing a function, or an array describing a class/method.
Returns an array containing argument information.
Example #1 parsekit_func_arginfo() example
<?php
function foo($bar, stdClass $baz, &$bomb, $bling = false) {
}
var_dump(parsekit_func_arginfo('foo'));
?>
以上例程会输出：
array(4) {
[0]=>
array(3) {
["name"]=>
string(3) "bar"
["allow_null"]=>
bool(true)
["pass_by_reference"]=>
bool(false)
}
[1]=>
array(4) {
["name"]=>
string(3) "baz"
["class_name"]=>
string(8) "stdClass"
["allow_null"]=>
bool(false)
["pass_by_reference"]=>
bool(false)
}
[2]=>
array(3) {
["name"]=>
string(4) "bomb"
["allow_null"]=>
bool(true)
["pass_by_reference"]=>
bool(true)
}
[3]=>
array(3) {
["name"]=>
string(5) "bling"
["allow_null"]=>
bool(true)
["pass_by_reference"]=>
bool(false)
}
}
Should be noted that this is for user defined functions only. Not internal (extension or otherwise).