<?php
$array = ['a', 'b'];
$result = [];
foreach ($array as $k => $result["prefix_$k"]);
var_export($result);
$result = [];
echo "\n---\n";
foreach ($array as $result["prefix_$v"] => $v);
var_export($result);
- Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
- Warning: Undefined variable $k in /in/iVm1u on line 6
array (
'prefix_' => 'a',
'prefix_0' => 'b',
)
---
array (
'prefix_a' => 0,
'prefix_b' => 1,
)
- Output for 7.4.0 - 7.4.33
- Notice: Undefined variable: k in /in/iVm1u on line 6
array (
'prefix_' => 'a',
'prefix_0' => 'b',
)
---
array (
'prefix_a' => 0,
'prefix_b' => 1,
)
preferences:
100.13 ms | 402 KiB | 123 Q