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  1. <?php
  2. $count = 0;
  3. $input = fopen('php://stdin', "r");
  4. $output = fopen('php://stdout',"w");
  5.  
  6. $line1 = trim(fgets($input));
  7. $test_cases = $line1[0];
  8. $arr = array();
  9.  
  10. while($count < $test_cases){
  11.     $val = trim(fgets($input));
  12.     array_push($arr, $val);        
  13.     $count++;
  14. }
  15.  
  16. sort($arr);
  17.  
  18. foreach($arr as $val)  {
  19.     echo $val . "\n";
  20. }
  21. ?>
Success #stdin #stdout #stderr 0.01s 20520KB
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stdin
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5
5
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stdout
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Standard output is empty
stderr
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PHP Notice:  Uninitialized string offset: 0 in /home/DhWphC/prog.php on line 7
https://ideone.com/8FHiPL
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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