How can you determine if the gd2 library is included in a PHP 4.3.9 standard installation?

To determine if the gd2 library is included in a PHP 4.3.9 standard installation, you can use the `extension_loaded()` function in PHP to check if the GD extension is loaded. If the function returns true, then the gd2 library is included in the installation. If it returns false, then the gd2 library is not included and you may need to install it separately. 

if (extension_loaded('gd')) {
    echo 'GD extension is loaded. The gd2 library is included in this PHP installation.';
} else {
    echo 'GD extension is not loaded. The gd2 library may need to be installed separately.';
}

Keywords

gd2 library PHP 4.3.9 standard installation determine included

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