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  1. <?php
  2.  
  3. $control_menu_url21 = ['test' => 21];
  4. $control_menu_url22 = ['test' => 22];
  5.  
  6. for ($i = 1; $i <= 3; ++$i) {
  7. 	echo ${'control_menu_url2'.$i}['test'].' ';
  8. }
Success #stdin #stdout #stderr 0.01s 52472KB
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stdin
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Standard input is empty
stdout
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21 22
stderr
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PHP Notice:  Undefined variable: control_menu_url23 in /home/wf6z6u/prog.php on line 7
https://ideone.com/fYGzkd
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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