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  1. <?php
  2.  
  3. $tests = array(
  4. 	"3782-8224-6310-0005",
  5.     "3782-8224-6310-0005",
  6.     "3782-S224-6310-W005",
  7.     "3T82-l224-631k-00f5",
  8.     ">782-82^4-6@10-00(5",
  9.     "3?82-8@24-6310-00&%",
  10. );
  11.  
  12. foreach ($tests as $element) {
  13. 	str_replace("-","",$element);
  14.     if (is_numeric($element)) {
  15.         echo "'{$element}' is valid", PHP_EOL;
  16.     } else {
  17.         echo "'{$element}' is NOT valid", PHP_EOL;
  18.     }
  19. }
  20. ?>
Success #stdin #stdout 0.02s 82880KB
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Standard input is empty
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'3782-8224-6310-0005' is NOT valid
'3782-8224-6310-0005' is NOT valid
'3782-S224-6310-W005' is NOT valid
'3T82-l224-631k-00f5' is NOT valid
'>782-82^4-6@10-00(5' is NOT valid
'3?82-8@24-6310-00&%' is NOT valid
https://ideone.com/nHx1Kw
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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