Whether APCu is usable in the current environment

# apcu_enabled

(PECL apcu >= 4.0.3)

apcu_enabled — Whether APCu is usable in the current environment

### Description

apcu_enabled(): bool

Returns whether APCu is usable in the current environment.

### Parameters

This function has no parameters.

### Return Values

Returns `true` when APCu is usable in the current environment, `false` otherwise.

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