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  1. <?php
  2.  
  3. $x=$i*$i;
  4.  
  5. for($i=1;$i<10;$i++) {
  6. 	echo"{$i}*{$i}={$x}\n";
  7. }
  8. ?>
  9.  
  10. // your code goes here
Success #stdin #stdout #stderr 0s 82880KB
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stdin
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Standard input is empty
stdout
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1*1=0
2*2=0
3*3=0
4*4=0
5*5=0
6*6=0
7*7=0
8*8=0
9*9=0

// your code goes here
stderr
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PHP Notice:  Undefined variable: i in /home/Dwnqsx/prog.php on line 3
PHP Notice:  Undefined variable: i in /home/Dwnqsx/prog.php on line 3
https://ideone.com/BBfdLr
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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