SplFixedArray::offsetExists

(PHP 5 >= 5.3.0, PHP 7)

SplFixedArray::offsetExists — Returns whether the requested index exists

说明

public SplFixedArray::offsetExists ( int $index ) : bool

Checks whether the requested index index exists.

参数

index

The index being checked.

返回值

TRUE if the requested index exists, otherwise FALSE

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