3v4l.org

run code in 300+ PHP versions simultaneously
<?php $messages = array( 'message1'=>array( 'type'=>'voice', 'call-id'=>'11', 'id'=>'message1' ), 'message2'=>array( 'type'=>'voice', 'call-id'=>'44', 'id'=>'message2' ), 'message3'=>array( 'type'=>'text', 'call-id'=>'44', 'id'=>'message3' ), 'message4'=>array( 'type'=>'text', 'call-id'=>'55', 'id'=>'message4' ), 'message5'=>array( 'type'=>'voice', 'call-id'=>'55', 'id'=>'message5' ), ); foreach ($messages as $message => $value) { $unique[$value['call-id']] = $value; // this will override the previous value with the same key if exists } print_r($unique); foreach ($unique as $key => $value) { $array[$value['id']] = $value; } echo '<pre>'; print_r($array);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [11] => Array ( [type] => voice [call-id] => 11 [id] => message1 ) [44] => Array ( [type] => text [call-id] => 44 [id] => message3 ) [55] => Array ( [type] => voice [call-id] => 55 [id] => message5 ) ) <pre>Array ( [message1] => Array ( [type] => voice [call-id] => 11 [id] => message1 ) [message3] => Array ( [type] => text [call-id] => 44 [id] => message3 ) [message5] => Array ( [type] => voice [call-id] => 55 [id] => message5 ) )

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
54.74 ms | 403 KiB | 8 Q