<?php
$separator = ' ';
$old_string = null;
$new_tag = 'ghi';
$tags = explode($separator, $old_string);
$diffTags = array_diff($tags, array($new_tag));
var_dump(join($separator, $diffTags) . $separator . $new_tag);
var_dump($tags == $diffTags);
- Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated in /in/0d6S4 on line 5
string(4) " ghi"
bool(true)
- 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 - 5.5.37, 5.6.0 - 5.6.28, 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
- string(4) " ghi"
bool(true)
preferences:
205.17 ms | 405 KiB | 379 Q