MongoDB\BSON\PackedArray::offsetExists

(mongodb >=1.17.0)

MongoDB\BSON\PackedArray::offsetExistsReturns whether a index is present in the array

说明

final public function MongoDB\BSON\PackedArray::offsetExists(mixed $key): bool

参数

key
The index to look for in the array.

返回值

Returns true if the index is present in the array and false otherwise.

参见

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