module_test.module

<?php


/**
 * Implements hook_permission().
 */
function module_test_permission() {
    return array(
        'module_test perm' => t('example perm for module_test module'),
    );
}

/**
 * Implements hook_system_info_alter().
 *
 * Manipulate module dependencies to test dependency chains.
 */
function module_test_system_info_alter(&$info, $file, $type) {
    if (variable_get('dependency_test', FALSE) == 'missing dependency') {
        if ($file->name == 'forum') {
            // Make forum module depend on poll.
            $info['dependencies'][] = 'poll';
        }
        elseif ($file->name == 'poll') {
            // Make poll depend on a made-up module.
            $info['dependencies'][] = 'foo';
        }
    }
    elseif (variable_get('dependency_test', FALSE) == 'dependency') {
        if ($file->name == 'forum') {
            // Make the forum module depend on poll.
            $info['dependencies'][] = 'poll';
        }
        elseif ($file->name == 'poll') {
            // Make poll depend on php module.
            $info['dependencies'][] = 'php';
        }
    }
    elseif (variable_get('dependency_test', FALSE) == 'version dependency') {
        if ($file->name == 'forum') {
            // Make the forum module depend on poll.
            $info['dependencies'][] = 'poll';
        }
        elseif ($file->name == 'poll') {
            // Make poll depend on a specific version of php module.
            $info['dependencies'][] = 'php (1.x)';
        }
        elseif ($file->name == 'php') {
            // Set php module to a version compatible with the above.
            $info['version'] = '7.x-1.0';
        }
    }
    if ($file->name == 'seven' && $type == 'theme') {
        $info['regions']['test_region'] = t('Test region');
    }
}

/**
 * Implements hook_hook_info().
 */
function module_test_hook_info() {
    $hooks['test_hook'] = array(
        'group' => 'file',
    );
    return $hooks;
}

/**
 * Implements hook_menu().
 */
function module_test_menu() {
    $items['module-test/hook-dynamic-loading-invoke'] = array(
        'title' => 'Test hook dynamic loading (invoke)',
        'page callback' => 'module_test_hook_dynamic_loading_invoke',
        'access arguments' => array(
            'access content',
        ),
    );
    $items['module-test/hook-dynamic-loading-invoke-all'] = array(
        'title' => 'Test hook dynamic loading (invoke_all)',
        'page callback' => 'module_test_hook_dynamic_loading_invoke_all',
        'access arguments' => array(
            'access content',
        ),
    );
    return $items;
}

/**
 * Page callback for 'hook dynamic loading' test.
 *
 * If the hook is dynamically loaded correctly, the menu callback should
 * return 'success!'.
 */
function module_test_hook_dynamic_loading_invoke() {
    $result = module_invoke('module_test', 'test_hook');
    return $result['module_test'];
}

/**
 * Page callback for 'hook dynamic loading' test.
 *
 * If the hook is dynamically loaded correctly, the menu callback should
 * return 'success!'.
 */
function module_test_hook_dynamic_loading_invoke_all() {
    $result = module_invoke_all('test_hook');
    return $result['module_test'];
}

/**
 * Implements hook_modules_enabled().
 */
function module_test_modules_enabled($modules) {
    // Record the ordered list of modules that were passed in to this hook so we
    // can check that the modules were enabled in the correct sequence.
    variable_set('test_module_enable_order', $modules);
}

/**
 * Implements hook_modules_disabled().
 */
function module_test_modules_disabled($modules) {
    // Record the ordered list of modules that were passed in to this hook so we
    // can check that the modules were disabled in the correct sequence.
    variable_set('test_module_disable_order', $modules);
}

/**
 * Implements hook_modules_uninstalled().
 */
function module_test_modules_uninstalled($modules) {
    // Record the ordered list of modules that were passed in to this hook so we
    // can check that the modules were uninstalled in the correct sequence.
    variable_set('test_module_uninstall_order', $modules);
}

/**
 * Implements hook_module_implements_alter()
 */
function module_test_module_implements_alter(&$implementations, $hook) {
    if ($hook === 'altered_test_hook') {
        // Add a hook implementation, that will be found in
        // module_test.implementations.inc.
        $implementations['module_test'] = 'implementations';
    }
}