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  1. <?php
  2.  
  3. $text = 'bla-bla-bla';
  4. $unused_image = [];
  5. $text = preg_replace_callback("#\w#is", function($match) use(&$unused_image){
  6. 	$unused_image[] = $match[0];
  7. 	return '';
  8. }, $text);
  9.  
  10. var_dump($text);
  11. print_r($unused_image);
Success #stdin #stdout 0.02s 24968KB
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stdin
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Standard input is empty
stdout
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string(2) "--"
Array
(
    [0] => b
    [1] => l
    [2] => a
    [3] => b
    [4] => l
    [5] => a
    [6] => b
    [7] => l
    [8] => a
)
https://ideone.com/5NxwXT
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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