image_example.install

<?php


/**
 * @file
 * Install, update, and uninstall functions for the image_example module.
 */

/**
 * Implements hook_install().
 *
 * @ingroup image_example
 */
function image_example_install() {
    // Set a variable containing the name of the style to use when the module
    // outputs an image.
    variable_set('image_example_style_name', 'image_example_style');
}

/**
 * Implements hook_uninstall().
 *
 * @ingroup image_example
 */
function image_example_uninstall() {
    variable_del('image_example_style_name');
    variable_del('image_example_image_fid');
}

/**
 * Implements hook_enable().
 *
 * @ingroup image_example
 */
function image_example_enable() {
    // There is currently no way to manually flush an image style which causes
    // problems when installing a new module that implements
    // hook_image_styles_alter(). If the new module modifies an image style that
    // modification will not be applied to any images that have already been
    // generated unless the styles are flushed. This is one way around that.
    $styles = image_styles();
    foreach ($styles as $style) {
        image_style_flush($style);
    }
}

/**
 * Implements hook_disable().
 *
 * @ingroup image_example
 */
function image_example_disable() {
    // Solves the same problem as image_example_enable().
    image_example_enable();
}