3v4l.org

run code in 300+ PHP versions simultaneously
<?php /* $input = array( array( 'tag_name' => 'google' ), array( 'tag_name' => 'technology' ) );*/ //column $a = "asd,sadsa,sdaad"; echo query_columns ($a); //where function query_columns ($columns) { //column //$columns = explode(',',$columns); //$columns = implode(',',$columns); return $columns; } ?>
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 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
asd,sadsa,sdaad

preferences:
321.94 ms | 405 KiB | 455 Q