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  1. <?php
  2.  
  3. $defaults = array(
  4.     'birthday' => '1980-03-04',
  5.     'country' => 'United States',
  6.     'first_name' => 'John',
  7.     'last_name' => 'Smith',
  8. );
  9.  
  10. $params = array(
  11.     'first_name' => 'Jane',
  12.     'last_name' => 'Johnson',
  13. );
  14.  
  15. $results = array_merge($defaults, $params);
  16.  
  17. var_dump($results);
  18.  
Success #stdin #stdout 0.01s 20568KB
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stdout
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array(4) {
  ["birthday"]=>
  string(10) "1980-03-04"
  ["country"]=>
  string(13) "United States"
  ["first_name"]=>
  string(4) "Jane"
  ["last_name"]=>
  string(7) "Johnson"
}
https://ideone.com/0CewM1
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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