ReflectionFunctionAbstract::getClosureUsedVariables
(PHP 8 >= 8.1.0)
ReflectionFunctionAbstract::getClosureUsedVariables — Returns an array of the used variables in the Closure
说明
public ReflectionFunctionAbstract::getClosureUsedVariables(): array
Returns an array of the used variables in the Closure.
参数
此函数没有参数。
返回值
Returns an array of the used variables in the Closure.
范例
示例 #1 ReflectionFunctionAbstract::getClosureUsedVariables() example
<?php
$one = 1;
$two = 2;
$function = function() use ($one, $two) {
static $three = 3;
};
$reflector = new ReflectionFunction($function);
var_dump($reflector->getClosureUsedVariables());
?>
以上例程的输出类似于:
array(2) { ["one"]=> int(1) ["two"]=> int(2) }
参见
- ReflectionFunctionAbstract::getClosureScopeClass() - Returns the scope associated to the closure
- ReflectionFunctionAbstract::getClosureThis() - 返回本身的匿名函数
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