/**
* Implements Drupal\configuration\Config\Configuration::saveToActiveStore().
*/
public function saveToActiveStore(ConfigIteratorSettings &$settings)
{
$style = $this->getData();
// Does an image style with the same name already exist?
if ($existing_style = image_style_load($this->getIdentifier())) {
$isExistingEditable = (bool) ($existing_style['storage'] & IMAGE_STORAGE_EDITABLE);
$isNewEditable = (bool) ($style['storage'] & IMAGE_STORAGE_EDITABLE);
// New style is using defaults -> revert existing.
if (!$isNewEditable && $isExistingEditable) {
image_default_style_revert($this->getIdentifier());
} elseif ($isExistingEditable && $isNewEditable) {
$style['isid'] = $existing_style['isid'];
$style = image_style_save($style);
if (!empty($existing_style['effects'])) {
foreach ($existing_style['effects'] as $effect) {
image_effect_delete($effect);
}
}
if (!empty($style['effects'])) {
foreach ($style['effects'] as $effect) {
$effect['isid'] = $style['isid'];
image_effect_save($effect);
}
}
} elseif ($isNewEditable && !$isExistingEditable) {
if (!empty($existing_style['isid'])) {
$style['isid'] = $existing_style['isid'];
}
$style = image_style_save($style);
if (!empty($style['effects'])) {
foreach ($style['effects'] as $effect) {
$effect['isid'] = $style['isid'];
image_effect_save($effect);
}
}
} else {
}
} else {
$style = image_style_save($style);
if (!empty($style['effects'])) {
foreach ($style['effects'] as $effect) {
$effect['isid'] = $style['isid'];
image_effect_save($effect);
}
}
image_style_flush($style);
}
$settings->addInfo('imported', $this->getUniqueId());
}
<?php
// Use image style machine names.
$image_styles = array('example_style_one', 'example_style_two');
foreach ($image_styles as $item) {
// Load the style.
$style = image_style_load($item);
if ($style) {
// Flush images associated with the style.
image_style_flush($style);
// Delete the style.
image_style_delete($style);
}
}
// Clear caches.
drupal_flush_all_caches();
