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PHP - Manual: MongoDB\BSON\Document::has - 互联网笔记

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PHP - Manual: MongoDB\BSON\Document::has

2025-05-21

MongoDB\BSON\Document::has

(mongodb >=1.16.0)

MongoDB\BSON\Document::hasReturns whether a key is present in the document

说明

final public MongoDB\BSON\Document::has(string $key): bool

参数

key (string)

The key to look for in the document.

返回值

Returns true if the key is present in the document and false otherwise.

错误/异常

参见

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官方地址:https://www.php.net/manual/en/mongodb-bson-document.has.php

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