<?php
/**
 * Implements hook_requirements().
 */
function gdlisnet_requirements($phase) {
	$requirements = [];
	if($phase=='install') {
		// Detect if oci extension has been installed
		if (!defined('OCI_DEFAULT')) {
			$requirements['php-oci8']=array(
				'title' => 'php-oci8',
				'description' => t('php-oci8 must be exist for this module to install.'),
				'severity' => REQUIREMENT_ERROR,
			);
		}
		
		// Detect if File_MARC pear is installed
		include_once 'File/MARC.php';
		if(!class_exists('File_MARC_Record')) {
			$requirements['file_marc']=array(
				'title' => 'File_MARC',
				'description' => t('File_MARC must be installed for this module to install.'),
				'severity' => REQUIREMENT_ERROR,
			);
		}

		if(!empty($requirements))
			return $requirements;
	}
}
?>