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  1. <?php
  2. $str = '3803_452.jpg';
  3. $chars = preg_split('/_/', $str, PREG_SPLIT_OFFSET_CAPTURE);
  4. if(count($chars) < 2)
  5. {	$ext = pathinfo($str);
  6. 	$chars = $ext['filename'];
  7. 	echo $chars;
  8. }else
  9. {	echo $chars[0];
  10. }
  11.  
Success #stdin #stdout 0.01s 82944KB
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3803
https://ideone.com/5iDMnQ
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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