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passByReference_005.phpt
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Tue Feb 21 23:48:06 2012 UTC (12 years, 7 months ago) by
misho
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MAIN
CVS tags:
v5_4_3elwix,
v5_4_29p0,
v5_4_29,
v5_4_20p0,
v5_4_20,
v5_4_17p0,
v5_4_17,
v5_3_10,
HEAD
php
--TEST--
Pass uninitialised variables by reference and by value to test implicit initialisation.
--FILE--
<?php
function v($val) {
$val = "Val changed";
}
function r(&$ref) {
$ref = "Ref changed";
}
function vv($val1, $val2) {
$val1 = "Val1 changed";
$val2 = "Val2 changed";
}
function vr($val, &$ref) {
$val = "Val changed";
$ref = "Ref changed";
}
function rv(&$ref, $val) {
$val = "Val changed";
$ref = "Ref changed";
}
function rr(&$ref1, &$ref2) {
$ref1 = "Ref1 changed";
$ref2 = "Ref2 changed";
}
class C {
function __construct($val, &$ref) {
$val = "Val changed";
$ref = "Ref changed";
}
function v($val) {
$val = "Val changed";
}
function r(&$ref) {
$ref = "Ref changed";
}
function vv($val1, $val2) {
$val1 = "Val1 changed";
$val2 = "Val2 changed";
}
function vr($val, &$ref) {
$val = "Val changed";
$ref = "Ref changed";
}
function rv(&$ref, $val) {
$val = "Val changed";
$ref = "Ref changed";
}
function rr(&$ref1, &$ref2) {
$ref1 = "Ref1 changed";
$ref2 = "Ref2 changed";
}
}
echo "\n ---- Pass by ref / pass by val: functions ----\n";
unset($u1, $u2);
v($u1);
r($u2);
var_dump($u1, $u2);
unset($u1, $u2);
vv($u1, $u2);
var_dump($u1, $u2);
unset($u1, $u2);
vr($u1, $u2);
var_dump($u1, $u2);
unset($u1, $u2);
rv($u1, $u2);
var_dump($u1, $u2);
unset($u1, $u2);
rr($u1, $u2);
var_dump($u1, $u2);
echo "\n\n ---- Pass by ref / pass by val: static method calls ----\n";
unset($u1, $u2);
C::v($u1);
C::r($u2);
var_dump($u1, $u2);
unset($u1, $u2);
C::vv($u1, $u2);
var_dump($u1, $u2);
unset($u1, $u2);
C::vr($u1, $u2);
var_dump($u1, $u2);
unset($u1, $u2);
C::rv($u1, $u2);
var_dump($u1, $u2);
unset($u1, $u2);
C::rr($u1, $u2);
var_dump($u1, $u2);
echo "\n\n ---- Pass by ref / pass by val: instance method calls ----\n";
unset($u1, $u2);
$c = new C($u1, $u2);
var_dump($u1, $u2);
unset($u1, $u2);
$c->v($u1);
$c->r($u2);
var_dump($u1, $u2);
unset($u1, $u2);
$c->vv($u1, $u2);
var_dump($u1, $u2);
unset($u1, $u2);
$c->vr($u1, $u2);
var_dump($u1, $u2);
unset($u1, $u2);
$c->rv($u1, $u2);
var_dump($u1, $u2);
unset($u1, $u2);
$c->rr($u1, $u2);
var_dump($u1, $u2);
?>
--EXPECTF--
---- Pass by ref / pass by val: functions ----
Notice: Undefined variable: u1 in %s on line 72
Notice: Undefined variable: u1 in %s on line 74
NULL
string(11) "Ref changed"
Notice: Undefined variable: u1 in %s on line 77
Notice: Undefined variable: u2 in %s on line 77
Notice: Undefined variable: u1 in %s on line 78
Notice: Undefined variable: u2 in %s on line 78
NULL
NULL
Notice: Undefined variable: u1 in %s on line 81
Notice: Undefined variable: u1 in %s on line 82
NULL
string(11) "Ref changed"
Notice: Undefined variable: u2 in %s on line 85
Notice: Undefined variable: u2 in %s on line 86
string(11) "Ref changed"
NULL
string(12) "Ref1 changed"
string(12) "Ref2 changed"
---- Pass by ref / pass by val: static method calls ----
Notice: Undefined variable: u1 in %s on line 95
Strict Standards: Non-static method C::v() should not be called statically in %s on line 95
Strict Standards: Non-static method C::r() should not be called statically in %s on line 96
Notice: Undefined variable: u1 in %s on line 97
NULL
string(11) "Ref changed"
Notice: Undefined variable: u1 in %s on line 100
Notice: Undefined variable: u2 in %s on line 100
Strict Standards: Non-static method C::vv() should not be called statically in %s on line 100
Notice: Undefined variable: u1 in %s on line 101
Notice: Undefined variable: u2 in %s on line 101
NULL
NULL
Notice: Undefined variable: u1 in %s on line 104
Strict Standards: Non-static method C::vr() should not be called statically in %s on line 104
Notice: Undefined variable: u1 in %s on line 105
NULL
string(11) "Ref changed"
Notice: Undefined variable: u2 in %s on line 108
Strict Standards: Non-static method C::rv() should not be called statically in %s on line 108
Notice: Undefined variable: u2 in %s on line 109
string(11) "Ref changed"
NULL
Strict Standards: Non-static method C::rr() should not be called statically in %s on line 112
string(12) "Ref1 changed"
string(12) "Ref2 changed"
---- Pass by ref / pass by val: instance method calls ----
Notice: Undefined variable: u1 in %s on line 117
Notice: Undefined variable: u1 in %s on line 118
NULL
string(11) "Ref changed"
Notice: Undefined variable: u1 in %s on line 121
Notice: Undefined variable: u1 in %s on line 123
NULL
string(11) "Ref changed"
Notice: Undefined variable: u1 in %s on line 126
Notice: Undefined variable: u2 in %s on line 126
Notice: Undefined variable: u1 in %s on line 127
Notice: Undefined variable: u2 in %s on line 127
NULL
NULL
Notice: Undefined variable: u1 in %s on line 130
Notice: Undefined variable: u1 in %s on line 131
NULL
string(11) "Ref changed"
Notice: Undefined variable: u2 in %s on line 134
Notice: Undefined variable: u2 in %s on line 135
string(11) "Ref changed"
NULL
string(12) "Ref1 changed"
string(12) "Ref2 changed"
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