if (extension_loaded('mysql')) { echo "MySQL extension is enabled"; } else { echo "MySQL extension is not enabled"; }
if (extension_loaded('curl')) { echo "CURL extension is enabled"; } else { echo "CURL extension is not enabled"; }
if (extension_loaded('gd')) { echo "GD extension is enabled"; } else { echo "GD extension is not enabled"; }The isEnabled() module is a part of the standard PHP library and does not require any additional package installation.