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  1. <?php
  2. $arr1 = array(
  3.     "k1" => "v1",
  4.     "k2" => "v2",
  5.     "k3" => "v3",
  6.     "k4" => "v4",
  7.     "k5" => "v5"
  8. );
  9.  
  10. $arr2 = array(
  11.     "k1" => "v4",
  12.     "k2" => "v5"
  13. );
  14.  
  15. echo("Using 'array_diff':\n");
  16. var_dump(array_diff($arr1, $arr2));
  17. echo("Using 'array_diff_key':\n");
  18. var_dump(array_diff_key($arr1, $arr2));
  19.  
Success #stdin #stdout 0.01s 20520KB
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stdin
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Standard input is empty
stdout
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Using 'array_diff':
array(3) {
  ["k1"]=>
  string(2) "v1"
  ["k2"]=>
  string(2) "v2"
  ["k3"]=>
  string(2) "v3"
}
Using 'array_diff_key':
array(3) {
  ["k3"]=>
  string(2) "v3"
  ["k4"]=>
  string(2) "v4"
  ["k5"]=>
  string(2) "v5"
}
https://ideone.com/eyWuKt
Illustration of answer to http://stackoverflow.com/questions/16592339/exclude-elements-of-one-array-from-another-array.
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
secret

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