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  1. <?php
  2.  
  3. $request = (object) [
  4. 	'option_1' => 'A',
  5. 	'option_2' => 'B',
  6. 	'option_3' => 'C',
  7. 	'option_4' => 'D',
  8. ];
  9. $i=4;
  10. $request->{'option_' . $i} = 'something';
  11.  
  12. var_dump($request);
  13.  
Success #stdin #stdout 0.02s 52472KB
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stdin
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Standard input is empty
stdout
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object(stdClass)#1 (4) {
  ["option_1"]=>
  string(1) "A"
  ["option_2"]=>
  string(1) "B"
  ["option_3"]=>
  string(1) "C"
  ["option_4"]=>
  string(9) "something"
}
https://ideone.com/PQKYZO
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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