3v4l.org

run code in 300+ PHP versions simultaneously

@ 2019-12-09T13:14:33Z

<?php

$allTags = [
            '0' =>  [
                "name" => "TAG-ONE",
                "video" => "64070,64076,64110,64111",
            ],
            '1' => [
                "name" => "TAG-TWO",
                "video" => "64070,64076,64110,64111",
            ],
            '2' => [
                "name" => "TAG-THREE",
                "video" => "64111",
            ]
        ];
        
$allTagsResult = array();
$format = array();

foreach( $allTags as $a ) {
	$name = $a['name'];
	$videos = explode(',', $a['video']);
	
	foreach( $videos as $v ) {
		if( !isset( $format[$v]) ) {
			$format[$v] = array();
		}
		$format[$v][] = $name;
	}
}   

foreach( $format as $video => $names) {
	$allTagsResult[] = array('name' => implode(',', $names), 'video' => $video);
}     
echo '<pre>';
print_r($allTagsResult);
die;

Output for git.master, git.master_jit, rfc.property-hooks: <pre>Array ( [0] => Array ( [name] => TAG-ONE,TAG-TWO [video] => 64070 ) [1] => Array ( [name] => TAG-ONE,TAG-TWO [video] => 64076 ) [2] => Array ( [name] => TAG-ONE,TAG-TWO [video] => 64110 ) [3] => Array ( [name] => TAG-ONE,TAG-TWO,TAG-THREE [video] => 64111 ) )

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

2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

preferences:dark modelive preview

60 ms | 402 KiB | 8 Q