# array_filter - PHP Online

## Form of PHP Sandbox

Enter Your PHP code here for testing/debugging in the Online PHP Sandbox. As in the usual PHP files, you can also add HTML, but do not forget to add the tag <?php in the places where the PHP script should be executed.

Your result can be seen below.

## Full code of array_filter.php

1. <?php
2.
3. const ALLOWED_EXTENSIONS = ['gif', 'jpg', 'jpeg'];
4.
5. $files = [ 6. '1047_0.gif', 7. '1047_0.txt', 8. '1047_0.pdf', 9. '1047_0.jpeg', 10. '1047_0.jpg', 11. ]; 12. 13.$filesToKeep = array_filter(
14.     $files, 15. function($file) {
16.         $extension = explode('.',$file)[1];
17.
18.         return \in_array($extension, ALLOWED_EXTENSIONS, true); 19. } 20. ); 21. 22. var_dump($filesToKeep);
File Description
• array_filter
• PHP Code
• 27 Oct-2020
• 379 Bytes
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