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  1.     <?php
  2.     $n;
  3.     for($i=1;$i<=$n;$i++){
  4.     	for($j=1;$j<=$i;$j++){
  5.     		echo "*";
  6.     	}
  7.     	echo "\n";
  8.     }
Success #stdin #stdout #stderr 0.02s 25804KB
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$n=5;
stdout
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PHP Notice:  Undefined variable: n in /home/UOBnxA/prog.php on line 3
https://ideone.com/8PK3hs
language:
PHP (php 7.3.5)
created:
3 hours ago
visibility:
public

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