<?php
function refArray($arr)
{
var_dump($arr);
$refs = [];
foreach ($arr as $key => $value)
$refs[$key] = &$arr[$key];
var_dump($refs);
return $refs;
}
$arr = [3, "hello", 0.8, null];
$referenceArray = refArray($arr);
echo "----------------------\r\n";
var_dump($arr);
var_dump($referenceArray);
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.4, 8.3.6
- array(4) {
[0]=>
int(3)
[1]=>
string(5) "hello"
[2]=>
float(0.8)
[3]=>
NULL
}
array(4) {
[0]=>
&int(3)
[1]=>
&string(5) "hello"
[2]=>
&float(0.8)
[3]=>
&NULL
}
----------------------
array(4) {
[0]=>
int(3)
[1]=>
string(5) "hello"
[2]=>
float(0.8)
[3]=>
NULL
}
array(4) {
[0]=>
int(3)
[1]=>
string(5) "hello"
[2]=>
float(0.8)
[3]=>
NULL
}
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
array(4) {
[0]=>
int(3)
[1]=>
string(5) "hello"
[2]=>
float(0.8)
[3]=>
NULL
}
array(4) {
[0]=>
&int(3)
[1]=>
&string(5) "hello"
[2]=>
&float(0.8)
[3]=>
&NULL
}
----------------------
array(4) {
[0]=>
int(3)
[1]=>
string(5) "hello"
[2]=>
float(0.8)
[3]=>
NULL
}
array(4) {
[0]=>
int(3)
[1]=>
string(5) "hello"
[2]=>
float(0.8)
[3]=>
NULL
}
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/Ihmh2 on line 5
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected '[' in /in/Ihmh2 on line 5
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/Ihmh2 on line 5
Process exited with code 255.
preferences:
268.81 ms | 401 KiB | 352 Q