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261 lines
4.9 KiB
PHP
261 lines
4.9 KiB
PHP
--TEST--
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Pass uninitialised variables by reference and by value to test implicit initialisation.
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--FILE--
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<?php
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function v($val) {
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$val = "Val changed";
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}
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function r(&$ref) {
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$ref = "Ref changed";
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}
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function vv($val1, $val2) {
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$val1 = "Val1 changed";
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$val2 = "Val2 changed";
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}
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function vr($val, &$ref) {
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$val = "Val changed";
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$ref = "Ref changed";
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}
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function rv(&$ref, $val) {
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$val = "Val changed";
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$ref = "Ref changed";
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}
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function rr(&$ref1, &$ref2) {
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$ref1 = "Ref1 changed";
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$ref2 = "Ref2 changed";
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}
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class C {
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function __construct($val, &$ref) {
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$val = "Val changed";
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$ref = "Ref changed";
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}
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function v($val) {
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$val = "Val changed";
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}
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function r(&$ref) {
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$ref = "Ref changed";
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}
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function vv($val1, $val2) {
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$val1 = "Val1 changed";
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$val2 = "Val2 changed";
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}
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function vr($val, &$ref) {
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$val = "Val changed";
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$ref = "Ref changed";
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}
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function rv(&$ref, $val) {
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$val = "Val changed";
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$ref = "Ref changed";
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}
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function rr(&$ref1, &$ref2) {
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$ref1 = "Ref1 changed";
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$ref2 = "Ref2 changed";
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}
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}
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echo "\n ---- Pass by ref / pass by val: functions ----\n";
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unset($u1, $u2);
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v($u1);
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r($u2);
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var_dump($u1, $u2);
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unset($u1, $u2);
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vv($u1, $u2);
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var_dump($u1, $u2);
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unset($u1, $u2);
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vr($u1, $u2);
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var_dump($u1, $u2);
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unset($u1, $u2);
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rv($u1, $u2);
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var_dump($u1, $u2);
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unset($u1, $u2);
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rr($u1, $u2);
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var_dump($u1, $u2);
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echo "\n\n ---- Pass by ref / pass by val: static method calls ----\n";
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unset($u1, $u2);
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C::v($u1);
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C::r($u2);
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var_dump($u1, $u2);
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unset($u1, $u2);
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C::vv($u1, $u2);
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var_dump($u1, $u2);
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unset($u1, $u2);
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C::vr($u1, $u2);
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var_dump($u1, $u2);
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unset($u1, $u2);
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C::rv($u1, $u2);
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var_dump($u1, $u2);
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unset($u1, $u2);
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C::rr($u1, $u2);
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var_dump($u1, $u2);
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echo "\n\n ---- Pass by ref / pass by val: instance method calls ----\n";
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unset($u1, $u2);
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$c = new C($u1, $u2);
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var_dump($u1, $u2);
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unset($u1, $u2);
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$c->v($u1);
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$c->r($u2);
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var_dump($u1, $u2);
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unset($u1, $u2);
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$c->vv($u1, $u2);
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var_dump($u1, $u2);
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unset($u1, $u2);
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$c->vr($u1, $u2);
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var_dump($u1, $u2);
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unset($u1, $u2);
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$c->rv($u1, $u2);
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var_dump($u1, $u2);
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unset($u1, $u2);
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$c->rr($u1, $u2);
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var_dump($u1, $u2);
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?>
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--EXPECTF--
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---- Pass by ref / pass by val: functions ----
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Notice: Undefined variable: u1 in %s on line 72
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Notice: Undefined variable: u1 in %s on line 74
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NULL
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string(11) "Ref changed"
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Notice: Undefined variable: u1 in %s on line 77
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Notice: Undefined variable: u2 in %s on line 77
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Notice: Undefined variable: u1 in %s on line 78
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Notice: Undefined variable: u2 in %s on line 78
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NULL
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NULL
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Notice: Undefined variable: u1 in %s on line 81
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Notice: Undefined variable: u1 in %s on line 82
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NULL
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string(11) "Ref changed"
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Notice: Undefined variable: u2 in %s on line 85
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Notice: Undefined variable: u2 in %s on line 86
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string(11) "Ref changed"
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NULL
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string(12) "Ref1 changed"
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string(12) "Ref2 changed"
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---- Pass by ref / pass by val: static method calls ----
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Notice: Undefined variable: u1 in %s on line 95
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Strict Standards: Non-static method C::v() should not be called statically in %s on line 95
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Strict Standards: Non-static method C::r() should not be called statically in %s on line 96
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Notice: Undefined variable: u1 in %s on line 97
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NULL
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string(11) "Ref changed"
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Notice: Undefined variable: u1 in %s on line 100
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Notice: Undefined variable: u2 in %s on line 100
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Strict Standards: Non-static method C::vv() should not be called statically in %s on line 100
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Notice: Undefined variable: u1 in %s on line 101
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Notice: Undefined variable: u2 in %s on line 101
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NULL
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NULL
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Notice: Undefined variable: u1 in %s on line 104
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Strict Standards: Non-static method C::vr() should not be called statically in %s on line 104
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Notice: Undefined variable: u1 in %s on line 105
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NULL
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string(11) "Ref changed"
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Notice: Undefined variable: u2 in %s on line 108
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Strict Standards: Non-static method C::rv() should not be called statically in %s on line 108
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Notice: Undefined variable: u2 in %s on line 109
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string(11) "Ref changed"
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NULL
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Strict Standards: Non-static method C::rr() should not be called statically in %s on line 112
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string(12) "Ref1 changed"
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string(12) "Ref2 changed"
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---- Pass by ref / pass by val: instance method calls ----
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Notice: Undefined variable: u1 in %s on line 117
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Notice: Undefined variable: u1 in %s on line 118
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NULL
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string(11) "Ref changed"
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Notice: Undefined variable: u1 in %s on line 121
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Notice: Undefined variable: u1 in %s on line 123
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NULL
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string(11) "Ref changed"
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Notice: Undefined variable: u1 in %s on line 126
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Notice: Undefined variable: u2 in %s on line 126
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Notice: Undefined variable: u1 in %s on line 127
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Notice: Undefined variable: u2 in %s on line 127
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NULL
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NULL
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Notice: Undefined variable: u1 in %s on line 130
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Notice: Undefined variable: u1 in %s on line 131
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NULL
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string(11) "Ref changed"
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Notice: Undefined variable: u2 in %s on line 134
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Notice: Undefined variable: u2 in %s on line 135
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string(11) "Ref changed"
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NULL
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string(12) "Ref1 changed"
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string(12) "Ref2 changed"
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