这篇文章主要介绍了PHP实现查询两个数组中不同元素的方法,涉及PHP数组差集运算与数组合并的相关技巧,需要的朋友可以参考下

本文实例讲述了PHP实现查询两个数组中不同元素的方法。分享给大家供大家参考，具体如下：<?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);

?>

结果：Array

(

[0] => absence_zh_cn

[1] => absence_zh_tw

[2] => absence_en_usa

)

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