'0.2.08' );
}
// If actually a fresh install, then nothing more is necessary.
if ( ! $options ) {
return;
}
// Check if we have just upgraded from a lower version.
$previous_version = $options['version'];
$current_version = adaptive_images_plugin_get_version();
$plugin_upgraded = strcmp( $previous_version, $current_version ) < 0;
if ( ! $plugin_upgraded ) {
return;
}
// General plugin updated message.
add_action( 'admin_notices', 'adaptive_images_upgrade_message_upgraded' );
// Check if upgrading from version 0.2.08 which needs some special handling.
if ( $previous_version == '0.2.08' ) {
adaptive_images_upgrade_action_upgraded_from_v0208();
add_action( 'admin_notices', 'adaptive_images_upgrade_message_upgraded_from_v0208' );
}
// Check if upgrading to version 0.5.0 to show a nice informative message.
if ( $current_version == '0.5.0' ) {
add_action( 'admin_notices', 'adaptive_images_upgrade_message_upgraded_to_v050' );
}
// Save current version in plugin settings.
$options['version'] = $current_version;
update_option( 'adaptive-images', $options );
}
/**
* Performs actions related to upgrading from version 0.2.08 because from that version and on major code and
* settings changes took place.
*
* @author Nevma (info@nevma.gr)
*
* @return void
*/
function adaptive_images_upgrade_action_upgraded_from_v0208 () {
// Try to remove old htaccess entry.
$htaccess = adaptive_images_plugin_get_htaccess_file_path();
$htaccess_available = adaptive_images_plugin_is_htaccess_writeable();
if ( $htaccess_available ) {
$htaccess_old_contents = file_get_contents( $htaccess );
$htaccess_new_contents = preg_replace( '/# Adaptive Images.*# END Adaptive Images\n/s', '', $htaccess_old_contents );
@file_put_contents( $htaccess, $htaccess_new_contents );
}
// Try to remove old cache directory.
$old_cache_path = realpath( dirname( $_SERVER['SCRIPT_FILENAME'] ) . '/../wp-content/' ) . '/cache-ai/';
adaptive_images_actions_rmdir_recursive( $old_cache_path );
// Try to remove old options.
delete_option( 'wprxr_include_paths' );
delete_option( 'wprxr_ai_config' );
}
/**
* Adds the admin notice message that informs the user when the plugin has been generally upgraded.
*
* @author Nevma (info@nevma.gr)
*
* @return void
*/
function adaptive_images_upgrade_message_upgraded () {
$current_version = adaptive_images_plugin_get_version();
echo
'' .
'
' .
'Adaptive Images — Upgraded' .
'
' .
'
' .
'
' .
'The Adaptive Images plugin has been succesfully updated to version ' . $current_version . '. Perhaps you would like to review its Settings.' .
'
' .
'
' .
'
' .
'Adaptive Images — Upgrade notice' .
'
' .
'
' .
'
' .
'The Adaptive Images plugin has been recently updated to version ' . $current_version . '.' .
'
' .
'
' .
'You should probably save your settings once again in Adaptive Images Settings, because since version 0.2.08 major rewrites of the code have taken place.' .
'
' .
'
' .
'We are very sorry for the inconvenience and we promise to keep a steady path from now on.'.
'
' .
'
' .
'
' .
'Adaptive Images — New version ' . $current_version . '' .
'
' .
'
' .
'
' .
'Version ' . $current_version . ' has some very interesting new features. Go to Adaptive Images Settings to check them out.' .
'
' .
'