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|
--TEST--
Pass function and method calls by reference and by value.
--FILE--
<?php
class C {
static function sreturnVal() {
global $a;
return $a;
}
static function &sreturnReference() {
global $a;
return $a;
}
function returnVal() {
global $a;
return $a;
}
function &returnReference() {
global $a;
return $a;
}
}
function returnVal() {
global $a;
return $a;
}
function &returnReference() {
global $a;
return $a;
}
function foo(&$ref) {
var_dump($ref);
$ref = "changed";
}
echo "Pass a function call that returns a value:\n";
$a = "original";
foo(returnVal());
var_dump($a);
echo "Pass a function call that returns a reference:\n";
$a = "original";
foo(returnReference());
var_dump($a);
echo "\nPass a static method call that returns a value:\n";
$a = "original";
foo(C::sreturnVal());
var_dump($a);
echo "Pass a static method call that returns a reference:\n";
$a = "original";
foo(C::sreturnReference());
var_dump($a);
$myC = new C;
echo "\nPass a method call that returns a value:\n";
$a = "original";
foo($myC->returnVal());
var_dump($a);
echo "Pass a method call that returns a reference:\n";
$a = "original";
foo($myC->returnReference());
var_dump($a);
?>
--EXPECTF--
Pass a function call that returns a value:
Notice: Only variables should be passed by reference in %s on line 44
string(8) "original"
string(8) "original"
Pass a function call that returns a reference:
string(8) "original"
string(7) "changed"
Pass a static method call that returns a value:
Notice: Only variables should be passed by reference in %s on line 55
string(8) "original"
string(8) "original"
Pass a static method call that returns a reference:
string(8) "original"
string(7) "changed"
Pass a method call that returns a value:
Notice: Only variables should be passed by reference in %s on line 67
string(8) "original"
string(8) "original"
Pass a method call that returns a reference:
string(8) "original"
string(7) "changed"
|
