1--TEST-- 2ReflectionParameter class - isPassedByReferenceMethod() 3--CREDITS-- 4Robin Fernandes <robinf@php.net> 5Steve Seear <stevseea@php.net> 6--FILE-- 7<?php 8class ReflectTestClass { 9 public static function staticMethod(&$paramOne, $anotherParam) { 10 return ++$theIncrement; 11 } 12 13 public function instanceMethod($firstParam, &$secondParam) { 14 $firstParam = "Hello\n"; 15 } 16} 17 18// Create an instance of the Reflection_Method class 19$method = new ReflectionMethod('ReflectTestClass', 'staticMethod'); 20// Get the parameters 21$parameters = $method->getParameters(); 22echo "Parameters from staticMethod:\n\n"; 23foreach($parameters as $parameter) { 24 var_dump($parameter); 25 if($parameter->isPassedByReference()) { 26 echo "This param is passed by reference\n"; 27 } else { 28 echo "This param is not passed by reference\n"; 29 } 30 echo "\n"; 31} 32 33// Create an instance of the Reflection_Method class 34$method = new ReflectionMethod('ReflectTestClass', 'instanceMethod'); 35// Get the parameters 36$parameters = $method->getParameters(); 37echo "Parameters from instanceMethod:\n\n"; 38foreach($parameters as $parameter) { 39 var_dump($parameter); 40 if($parameter->isPassedByReference()) { 41 echo "This param is passed by reference\n"; 42 } else { 43 echo "This param is not passed by reference\n"; 44 } 45 echo "\n"; 46} 47 48echo "done\n"; 49 50?> 51--EXPECTF-- 52Parameters from staticMethod: 53 54object(ReflectionParameter)#%i (1) { 55 ["name"]=> 56 string(8) "paramOne" 57} 58This param is passed by reference 59 60object(ReflectionParameter)#%i (1) { 61 ["name"]=> 62 string(12) "anotherParam" 63} 64This param is not passed by reference 65 66Parameters from instanceMethod: 67 68object(ReflectionParameter)#%i (1) { 69 ["name"]=> 70 string(10) "firstParam" 71} 72This param is not passed by reference 73 74object(ReflectionParameter)#%i (1) { 75 ["name"]=> 76 string(11) "secondParam" 77} 78This param is passed by reference 79 80done 81