exif.install

<?php


/**
 * @file
 * Installation requirements for exif module.
 */

/**
 * Implements hook_requirements().
 *
 * @param string $phase
 *   Indicate in which context the hook is called.
 *
 * @return array
 *   requirements
 */
function exif_requirements($phase) {
    $requirements = [];
    if ($phase == 'runtime' || $phase == 'install') {
        // Needed by EXIF.
        if (!function_exists('mb_convert_encoding')) {
            $requirements['mb_convert_encoding'] = [
                'title' => t('Multibyte library is not available'),
                'description' => t('The Function mb_convert_encoding is not available on the system. Please ensure the PHP module named php-mbstring has been installed.'),
                'value' => t('php-mbstring library is not available'),
                'severity' => REQUIREMENT_ERROR,
            ];
        }
        if (!function_exists('exif_read_data')) {
            $requirements['exif_read_data'] = [
                'title' => t('EXIF library is not available'),
                'description' => t('The Function exif_read_data is not available on the system. Please ensure the PHP module named EXIF has been installed if you are not using exiftool.'),
                'value' => t('EXIF library is not available'),
                'severity' => REQUIREMENT_WARNING,
            ];
        }
        if (!function_exists('iptcparse')) {
            $requirements['iptcparse'] = [
                'title' => t('IPTC library is not available'),
                'description' => t('The Function iptcparse is not available on the system. Please ensure the PHP module named GD has been installed if you are not using exiftool.'),
                'value' => t('GD library is not available'),
                'severity' => REQUIREMENT_WARNING,
            ];
        }
        if (!function_exists('GetImageSize')) {
            $requirements['GetImageSize'] = [
                'title' => t('Image library is not available'),
                'description' => t('The Function GetImageSize is not available on the system. Please ensure the PHP module named GD has been installed if you are not using exiftool.'),
                'value' => t('GD library is not available'),
                'severity' => REQUIREMENT_WARNING,
            ];
        }
    }
    return $requirements;
}