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  1. <?php
  2.  
  3. $a = "asdf";
  4.  
  5. foreach ($a as $val) {
  6. 	echo $val;
  7.  
  8. }
Success #stdin #stdout #stderr 0s 82880KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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PHP Warning:  Invalid argument supplied for foreach() in /home/8BqaxH/prog.php on line 5
https://ideone.com/ji1SOx
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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