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  1. <?php
  2.  
  3. $condition = true;
  4.  
  5. $array = array(
  6.     'key1' => 'value1'    
  7. );
  8.  
  9. $array += ($condition ? array('key2' => 'value2') : array());
  10.  
  11. var_dump($array);
Success #stdin #stdout 0.01s 20520KB
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array(2) {
  ["key1"]=>
  string(6) "value1"
  ["key2"]=>
  string(6) "value2"
}
https://ideone.com/ixOaUP
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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