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  1. <?php
  2. $myArray = array(
  3.   array(
  4.     'http://localhost/wp/wp-content/uploads/2013/03/slider-area.jpg',
  5.     1584,
  6.     346,
  7.     false
  8.   ),
  9.   array(
  10.     'http://localhost/wp/wp-content/uploads/2013/03/featured.jpg',
  11.     1584,
  12.     346,
  13.     false
  14.   )
  15. );
  16.  
  17. $newArray = array_map(function($a){ return $a[0]; }, $myArray);
  18.  
  19. print_r($newArray);
Success #stdin #stdout 0.01s 20568KB
comments (?)
stdin
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Standard input is empty
stdout
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Array
(
    [0] => http://localhost/wp/wp-content/uploads/2013/03/slider-area.jpg
    [1] => http://localhost/wp/wp-content/uploads/2013/03/featured.jpg
)
https://ideone.com/CMOQrV
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
secret

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