<?php
$a = ['first','second','third'];
// touch refcount
$b = &$a;
foreach($a as $v) {
echo 'Running ', $v, "\n\n";
unset($a[1]);
var_dump($a);
var_dump($b);
}
echo 'final:', "\n";
var_dump($a);
- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Running first
array(2) {
[0]=>
string(5) "first"
[2]=>
string(5) "third"
}
array(2) {
[0]=>
string(5) "first"
[2]=>
string(5) "third"
}
Running second
array(2) {
[0]=>
string(5) "first"
[2]=>
string(5) "third"
}
array(2) {
[0]=>
string(5) "first"
[2]=>
string(5) "third"
}
Running third
array(2) {
[0]=>
string(5) "first"
[2]=>
string(5) "third"
}
array(2) {
[0]=>
string(5) "first"
[2]=>
string(5) "third"
}
final:
array(2) {
[0]=>
string(5) "first"
[2]=>
string(5) "third"
}
- Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
- Running first
array(2) {
[0]=>
string(5) "first"
[2]=>
string(5) "third"
}
array(2) {
[0]=>
string(5) "first"
[2]=>
string(5) "third"
}
Running third
array(2) {
[0]=>
string(5) "first"
[2]=>
string(5) "third"
}
array(2) {
[0]=>
string(5) "first"
[2]=>
string(5) "third"
}
final:
array(2) {
[0]=>
string(5) "first"
[2]=>
string(5) "third"
}
preferences:
204.21 ms | 402 KiB | 225 Q