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  1. <?php
  2.     function cmp($a,$b) {
  3.         $a = ($a < 2) ? $a + 1000 : $a;
  4.         $b = ($b < 2) ? $b + 1000 : $b;
  5.         return $a - $b;
  6.     }
  7.  
  8.     $immagini = array('1.jpg','2.jpg','3.jpg','4.jpg');
  9.     uksort($immagini, 'cmp');
  10.     var_dump($immagini);
  11. ?>
Success #stdin #stdout 0.02s 13064KB
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stdin
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Standard input is empty
stdout
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array(4) {
  [2]=>
  string(5) "3.jpg"
  [3]=>
  string(5) "4.jpg"
  [0]=>
  string(5) "1.jpg"
  [1]=>
  string(5) "2.jpg"
}
https://ideone.com/XeAkQL
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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