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  1. <?php
  2. $string = "abcdefghijklmno";
  3.  
  4. $newstring = join("",
  5. 				array_filter
  6. 				(
  7. 					str_split($string),
  8. 					function($k) { 
  9. 						return ($k % 2 == 0);
  10. 						}, 
  11. 					ARRAY_FILTER_USE_KEY
  12. 				)
  13. 			);
  14. echo $newstring;
  15. ?>
Success #stdin #stdout 0.02s 24448KB
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acegikmo
https://ideone.com/HC7eL0
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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