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Dokumen ini menggunakan Manual laman web PHP Cina Lepaskan
(PHP 7)
ReflectionParameter::getType — Gets a parameter's type
Gets the associated type of a parameter.
此函数没有参数。
Returns a ReflectionType object if a parameter type is
specified, NULL
otherwise.
Example #1 ReflectionParameter::getType() example
<?php
function someFunction ( int $param , $param2 ) {}
$reflectionFunc = new ReflectionFunction ( 'someFunction' );
$reflectionParams = $reflectionFunc -> getParameters ();
$reflectionType1 = $reflectionParams [ 0 ]-> getType ();
$reflectionType2 = $reflectionParams [ 1 ]-> getType ();
echo $reflectionType1 ;
var_dump ( $reflectionType2 );
以上例程的输出类似于:
int null