3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( array( 'url' => 'website.com1/etcetcetc', 'itag' => 43, 'quality' => 'medium', 'something' => 'nill' ), array( 'url' => 'website.com2/etcetcetc', 'itag' => 18, 'quality' => 'medium', 'something' => 'nill' ), array( 'url' => 'website.com3/etcetcetc', 'itag' => 5, 'quality' => 'small', 'something' => 'nill' ), array( 'url' => 'website.com4/etcetcetc', 'itag' => 36, 'quality' => 'small', 'something' => 'nill' ), array( 'url' => 'website.com5/etcetcetc', 'itag' => 17, 'quality' => 'small', 'something' => 'nill' ) ); $r = array(); function test($number) { foreach($array as $arr) if ($arr['itag'] == $number) { $r['url'] = $arr['url']; $r['itag'] = $arr['itag']; } } echo '<a href="'.$r['url'].'">quality: '.$r['itag'].'</a>';
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined array key "url" in /in/0JNT7 on line 21 Warning: Undefined array key "itag" in /in/0JNT7 on line 21 <a href="">quality: </a>
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: url in /in/0JNT7 on line 21 Notice: Undefined index: itag in /in/0JNT7 on line 21 <a href="">quality: </a>
Output for 7.3.32 - 7.3.33
<a href="">quality: </a>
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
Notice: Undefined index: url in /in/0JNT7 on line 21 Notice: Undefined index: itag in /in/0JNT7 on line 21 <a href="">quality: </a>

preferences:
247.55 ms | 402 KiB | 342 Q