<?php
$row = array(
'useless' => 42,
'useful' => 'orange',
'useless_too' => 'banana',
'useful_too' => 'apples');
foreach ($row as $key1=>$value){
$pos = strpos($key1,'useful');
if($pos==-1)
unset($row[$key1]);
}
print_r($row);
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 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 - 7.1.25, 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
- Array
(
[useless] => 42
[useful] => orange
[useless_too] => banana
[useful_too] => apples
)
preferences:
272.2 ms | 406 KiB | 370 Q