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  1. <?php
  2.     for($a=1;$a<=3;$a++) {
  3.         for($b=1;$b<=3;$b++) {
  4.             if($c==$b)
  5.              { echo $c; }
  6.             else { echo "0"; } }
  7.           $c; echo "<br>";
  8.           }
  9.     ?>
Success #stdin #stdout #stderr 0.02s 25572KB
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stdin
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Standard input is empty
stdout
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000<br>000<br>000<br>
stderr
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PHP Notice:  Undefined variable: c in /home/8TAB4J/prog.php on line 4
PHP Notice:  Undefined variable: c in /home/8TAB4J/prog.php on line 4
PHP Notice:  Undefined variable: c in /home/8TAB4J/prog.php on line 4
PHP Notice:  Undefined variable: c in /home/8TAB4J/prog.php on line 4
PHP Notice:  Undefined variable: c in /home/8TAB4J/prog.php on line 4
PHP Notice:  Undefined variable: c in /home/8TAB4J/prog.php on line 4
PHP Notice:  Undefined variable: c in /home/8TAB4J/prog.php on line 4
PHP Notice:  Undefined variable: c in /home/8TAB4J/prog.php on line 4
PHP Notice:  Undefined variable: c in /home/8TAB4J/prog.php on line 4
https://ideone.com/TayOtz
language:
PHP (php 7.3.5)
created:
325 days ago
visibility:
public

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