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<?php $separator = ' '; $old_string = 'abc def'; $new_tag = 'def'; $tags = explode($separator, $old_string); $diffTags = array_diff($tags, array($new_tag)); var_dump(implode($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 - 7.1.25, 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 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(7) "abc def" bool(false)
preferences:
216.36 ms | 405 KiB | 370 Q