<?php
$separator = ' ';
$old_string = 'abc def';
$new_tag = 'abc';
$tags = explode($separator, $old_string);
$diffTags = array_diff($tags, array($new_tag));
var_dump(join($separator, $diffTags) . $separator . $new_tag);
var_dump($tags == $diffTags);
- Output for 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 - 7.1.33, 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
- string(7) "def abc"
bool(false)
preferences:
216.51 ms | 406 KiB | 399 Q