What are common issues when using APC for status display in PHP?

One common issue when using APC for status display in PHP is when the APC extension is not installed or enabled on the server. To solve this, you need to ensure that the APC extension is installed and enabled in your PHP configuration. 

if (!extension_loaded('apc')) {
    echo 'APC extension is not installed or enabled.';
} else {
    // Display APC status information
    $apc_status = apc_cache_info();
    print_r($apc_status);
}

Keywords

APC status display PHP caching performance.

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