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<?php //去除值为"Green"的元素 $testarr=array("a"=>"Red","b"=>"Green","c"=>"Yellow"); print_r($testarr); unset($testarr[array_search("Green",$testarr)]);//array_search("Green",$testarr)按元素值返回键名。去除后保持索引 print_r($testarr); ?> 查看array_search用法 |
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