(PHP 5)
ReflectionParameter::__construct — Construct
Constructs a ReflectionParameter class.
本函数还未编写文档,仅有参数列表。
The function to reflect parameters from.
The parameter.
没有返回值。
Example #1 Using the ReflectionParameter class
<?php
function foo($a, $b, $c) { }
function bar(Exception $a, &$b, $c) { }
function baz(ReflectionFunction $a, $b = 1, $c = null) { }
function abc() { }
$reflect = new ReflectionFunction('foo');
echo $reflect;
foreach ($reflect->getParameters() as $i => $param) {
printf(
"-- Parameter #%d: %s {\n".
" Class: %s\n".
" Allows NULL: %s\n".
" Passed to by reference: %s\n".
" Is optional?: %s\n".
"}\n",
$i, // $param->getPosition() can be used from PHP 5.2.3
$param->getName(),
var_export($param->getClass(), 1),
var_export($param->allowsNull(), 1),
var_export($param->isPassedByReference(), 1),
$param->isOptional() ? 'yes' : 'no'
);
}
?>
以上例程的输出类似于:
Function [ <user> function foo ] { @@ /Users/philip/cvs/phpdoc/a 2 - 2 - Parameters [3] { Parameter #0 [ <required> $a ] Parameter #1 [ <required> $b ] Parameter #2 [ <required> $c ] } } -- Parameter #0: a { Class: NULL Allows NULL: true Passed to by reference: false Is optional?: no } -- Parameter #1: b { Class: NULL Allows NULL: true Passed to by reference: false Is optional?: no } -- Parameter #2: c { Class: NULL Allows NULL: true Passed to by reference: false Is optional?: no }