mirror of
https://github.com/php/php-src.git
synced 2024-11-23 18:04:36 +08:00
58 lines
1.4 KiB
PHP
58 lines
1.4 KiB
PHP
--TEST--
|
|
Returning a reference from a static method
|
|
--FILE--
|
|
<?php
|
|
Class C {
|
|
static function returnConstantByValue() {
|
|
return 100;
|
|
}
|
|
|
|
static function &returnConstantByRef() {
|
|
return 100;
|
|
}
|
|
|
|
static function &returnVariableByRef() {
|
|
return $GLOBALS['a'];
|
|
}
|
|
}
|
|
|
|
echo "\n---> 1. Trying to assign by reference the return value of a function that returns by value:\n";
|
|
unset($a, $b);
|
|
$a = 4;
|
|
$b = &C::returnConstantByValue();
|
|
$a++;
|
|
var_dump($a, $b);
|
|
|
|
echo "\n---> 2. Trying to assign by reference the return value of a function that returns a constant by ref:\n";
|
|
unset($a, $b);
|
|
$a = 4;
|
|
$b = &C::returnConstantByRef();
|
|
$a++;
|
|
var_dump($a, $b);
|
|
|
|
echo "\n---> 3. Trying to assign by reference the return value of a function that returns by ref:\n";
|
|
unset($a, $b);
|
|
$a = 4;
|
|
$b = &C::returnVariableByRef();
|
|
$a++;
|
|
var_dump($a, $b);
|
|
|
|
?>
|
|
--EXPECTF--
|
|
|
|
---> 1. Trying to assign by reference the return value of a function that returns by value:
|
|
|
|
Strict Standards: Only variables should be assigned by reference in %s on line 19
|
|
int(5)
|
|
int(100)
|
|
|
|
---> 2. Trying to assign by reference the return value of a function that returns a constant by ref:
|
|
|
|
Notice: Only variable references should be returned by reference in %s on line 8
|
|
int(5)
|
|
int(100)
|
|
|
|
---> 3. Trying to assign by reference the return value of a function that returns by ref:
|
|
int(5)
|
|
int(5)
|