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  1. <?php
  2.  
  3. // your code goes here
  4.  
  5. function xrange($start,$end,$reset=false) {
  6. 	static $position = NULL;
  7.  
  8. 	if($position == NULL || $reset) {
  9. 		$position = 0;
  10. 	}
  11.  
  12. 	$value = $position+$start;
  13.  
  14. 	if($value <= $end) {
  15. 		return array($position++, $value);
  16. 	} else {
  17. 		return array();
  18. 	}
  19. }
  20.  
  21. while(list($key, $value) = xrange(1,10)) {
  22. 	echo "$key => $value\n";
  23. }
  24.  
Success #stdin #stdout #stderr 0.02s 24400KB
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stdin
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Standard input is empty
stdout
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0 => 1
1 => 2
2 => 3
3 => 4
4 => 5
5 => 6
6 => 7
7 => 8
8 => 9
9 => 10
stderr
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PHP Notice:  Undefined offset: 1 in /home/s3ol8Q/prog.php on line 21
PHP Notice:  Undefined offset: 0 in /home/s3ol8Q/prog.php on line 21
https://ideone.com/xgqevM
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
secret

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