3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 'Bob' => 2, 'Theresa' => 3, 'The farm house' => 2, 'Bob at the farm house' => 1, ); $result = $array; $removed = $result; foreach($result as $key => $value) { foreach($result as $test => $value) { if (false !== stripos($test, $key)) { unset($result[$key]); } } } print_r($result);
Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( )
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: stripos() in /in/Y63PJ on line 16
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: stripos() in /in/Y63PJ on line 16
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: stripos() in /in/Y63PJ on line 16

preferences:
368.97 ms | 401 KiB | 460 Q