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@ 2018-01-29T12:18:42Z

<?php

$arr = [
   'chleb' => 'skiny/1.jpg',
   'mienso' => 'skiny/2.jpg',
   'mienso2' => 'skiny/2.jpg',
   'mienso3' => 'skiny/2.jpg',
   'mienso4' => 'skiny/2.jpg',
   'mienso5' => 'skiny/2.jpg',
   'Hasasdasd' => 'skiny/2.jpg',
   ];

$keys = array_keys($arr);
Var_dump($keys);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_keys: documentation ( source)

preferences:dark modelive preview

57.72 ms | 402 KiB | 5 Q