3v4l.org

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<?php $sessionArray = array( 'Romero' => 2, 'Ronaldinho' => 4, 'ronaldo' =>8, 'messi' => 20 ); $str="ro"; $id = array(); $name = array(); foreach($sessionArray as $key => $value) { if(strpos(strtolower($key), strtolower($str)) !== FALSE) { $id[] = $value; $name[] = $key; } } print_r($id); echo "<br/>"; print_r($name);
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 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 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 ( [0] => 2 [1] => 4 [2] => 8 ) <br/>Array ( [0] => Romero [1] => Ronaldinho [2] => ronaldo )

preferences:
287.15 ms | 406 KiB | 388 Q