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  1. <?php
  2.  
  3. // your code goes here
  4. $re = "/.*?(\\d+)x(\\d+)/m"; 
  5. $str = "\"resolution\": \"1024x768\""; 
  6. $subst = "\"width\" : \"$1\", \"height\" : \"$2"; 
  7.  
  8. $result = preg_replace($re, $subst, $str);
  9. echo $result
  10. ?>
Success #stdin #stdout 0.03s 52432KB
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stdin
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Standard input is empty
stdout
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"width" : "1024", "height" : "768"
https://ideone.com/s4j5fm
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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