mirror of
https://github.com/php/php-src.git
synced 2024-11-28 12:26:37 +08:00
40 lines
738 B
PHP
40 lines
738 B
PHP
--TEST--
|
|
Returning a references returned by another function
|
|
--FILE--
|
|
<?php
|
|
|
|
|
|
function &returnVarByRef () {
|
|
$b=1;
|
|
return $b;
|
|
}
|
|
|
|
function &testReturnVarByRef() {
|
|
return returnVarByRef();
|
|
}
|
|
|
|
function returnVal () {
|
|
return 1;
|
|
}
|
|
|
|
function &testReturnValByRef() {
|
|
return returnVal();
|
|
}
|
|
|
|
echo "\n---> 1. Return a variable by reference -> No warning:\n";
|
|
|
|
var_dump (testReturnVarByRef());
|
|
|
|
echo "\n---> 2. Return a value by reference -> Warning:\n";
|
|
|
|
var_dump (testReturnValByRef());
|
|
|
|
--EXPECTF--
|
|
---> 1. Return a variable by reference -> No warning:
|
|
int(1)
|
|
|
|
---> 2. Return a value by reference -> Warning:
|
|
|
|
Notice: Only variable references should be returned by reference in %s on line %d
|
|
int(1)
|