Online PHP editor | refs for Ttic7

<?php $content_array = [ [123, 456, 789], [123, 456, 111], [123, 789, 789], ]; $excluded_content_pieces = array( 789 ); foreach($content_array as &$content_piece) { $content_piece = array_filter( $content_piece, function($a) use ($excluded_content_pieces) { return !in_array($a, $excluded_content_pieces); } ); } var_dump($content_array);