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  1. <?php
  2. $month = 12;
  3. if(!checkdate($_POST['month'])){
  4. print($month ."\n");}
  5. ?>
Success #stdin #stdout #stderr 0.03s 25728KB
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stdin
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1
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stdout
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12
stderr
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PHP Notice:  Undefined index: month in /home/tsi0YG/prog.php on line 3
PHP Warning:  checkdate() expects exactly 3 parameters, 1 given in /home/tsi0YG/prog.php on line 3
https://ideone.com/5YMty4
language:
PHP (php 7.3.5)
created:
18 hours ago
visibility:
public

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