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Deprecation warning: require-dev.mikey179/vfsStream is invalid, it should not contain uppercase characters. Please use mikey179/vfsstream instead. Make sure you fix this as Composer...
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先上代码<?php $arr1 = ['hehe' => 'jasf', 'haha' => 'asdfqwew', 'xixi' => '2j3k213']; print_r( array_diff_key($arr1,['h...