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PHP implements method of querying different elements in two arrays

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Release: 2023-03-30 13:50:02
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This article mainly introduces the method of querying different elements in two arrays in PHP, involving related skills of PHP array difference operation and array merging. Friends in need can refer to the following

The examples of this article are described PHP implements a method to query different elements in two arrays. Share it with everyone for your reference, the details are as follows:

<?php
  $a = array(
  "max_allow_dialogs",
  "livechat_server_ip",
  "livechat_service_time",
  "abort_zh_cn",
  "abort_zh_tw",
  "abort_en_usa",
  "welcome_zh_cn",
  "welcome_zh_tw",
  "welcome_en_usa",
  "timeout_zh_cn",
  "timeout_zh_tw",
  "timeout_en_usa",
  "absence_zh_cn",
  "absence_zh_tw",
  "absence_en_usa"
  );
  $b = array(
  "max_allow_dialogs",
  "livechat_server_ip",
  "livechat_service_time",
  "abort_zh_cn",
  "abort_zh_tw",
  "abort_en_usa",
  "welcome_zh_cn",
  "welcome_zh_tw",
  "welcome_en_usa",
  "timeout_zh_cn",
  "timeout_zh_tw",
  "timeout_en_usa",
  );
  $c = array_merge(array_diff($a,$b),array_diff($b,$a));
  print_r($c);
?>
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Result:

Array
(
  [0] => absence_zh_cn
  [1] => absence_zh_tw
  [2] => absence_en_usa
)
Copy after login

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