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<?php $_POST['keywords']="sample products!\@, products#$#\, sample"; $keywords = preg_replace("/[^\]/", ',',($_POST['keywords'])); echo $keywords;
Output for 4.3.11 - 7.1.0
Warning: preg_replace(): Compilation failed: missing terminating ] for character class at offset 4 in /in/A4EWa on line 3
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: missing terminating ] for character class at offset 4 in /in/A4EWa on line 3