Current File : //var/www/arphotolab.eco-n-tech.co.uk/wp-content/plugins/polylang/install/upgrade.php
<?php
/**
* @package Polylang
*/
/**
* Manages Polylang upgrades
*
* @since 1.2
*/
class PLL_Upgrade {
/**
* Stores the plugin options.
*
* @var array
*/
public $options;
/**
* Constructor
*
* @since 1.2
*
* @param array $options Polylang options
*/
public function __construct( &$options ) {
$this->options = &$options;
}
/**
* Check if upgrade is possible otherwise die to avoid activation
*
* @since 1.2
*
* @return void
*/
public function can_activate() {
if ( ! $this->can_upgrade() ) {
ob_start();
$this->admin_notices(); // FIXME the error message is displayed two times
die( ob_get_contents() ); // phpcs:ignore WordPress.Security.EscapeOutput
}
}
/**
* Upgrades if possible otherwise returns false to stop Polylang loading
*
* @since 1.2
*
* @return bool true if upgrade is possible, false otherwise
*/
public function upgrade() {
if ( ! $this->can_upgrade() ) {
add_action( 'all_admin_notices', array( $this, 'admin_notices' ) );
return false;
}
add_action( 'admin_init', array( $this, '_upgrade' ) );
return true;
}
/**
* Check if we the previous version is not too old
* Upgrades if OK
* /!\ never start any upgrade before admin_init as it is likely to conflict with some other plugins
*
* @since 1.2
*
* @return bool true if upgrade is possible, false otherwise
*/
public function can_upgrade() {
// Don't manage upgrade from version < 1.8
return version_compare( $this->options['version'], '1.8', '>=' );
}
/**
* Displays a notice when ugrading from a too old version
*
* @since 1.0
*
* @return void
*/
public function admin_notices() {
load_plugin_textdomain( 'polylang' );
printf(
'<div class="error"><p>%s</p><p>%s</p></div>',
esc_html__( 'Polylang has been deactivated because you upgraded from a too old version.', 'polylang' ),
sprintf(
/* translators: %1$s and %2$s are Polylang version numbers */
esc_html__( 'Before upgrading to %2$s, please upgrade to %1$s.', 'polylang' ),
'<strong>2.9</strong>',
POLYLANG_VERSION // phpcs:ignore WordPress.Security.EscapeOutput
)
);
}
/**
* Upgrades the plugin depending on the previous version
*
* @since 1.2
*
* @return void
*/
public function _upgrade() {
foreach ( array( '2.0.8', '2.1', '2.7', '2.8.1' ) as $version ) {
if ( version_compare( $this->options['version'], $version, '<' ) ) {
call_user_func( array( $this, 'upgrade_' . str_replace( '.', '_', $version ) ) );
}
}
$this->options['previous_version'] = $this->options['version']; // Remember the previous version of Polylang since v1.7.7
$this->options['version'] = POLYLANG_VERSION;
update_option( 'polylang', $this->options );
}
/**
* Upgrades if the previous version is < 2.0.8
* Changes the user meta 'user_lang' to 'locale' to match WP 4.7 choice
*
* @since 2.0.8
*
* @return void
*/
protected function upgrade_2_0_8() {
global $wpdb;
$wpdb->update( $wpdb->usermeta, array( 'meta_key' => 'locale' ), array( 'meta_key' => 'user_lang' ) );
}
/**
* Upgrades if the previous version is < 2.1.
* Moves strings translations from polylang_mo post_content to post meta _pll_strings_translations.
*
* @since 2.1
*
* @return void
*/
protected function upgrade_2_1() {
$posts = get_posts(
array(
'post_type' => 'polylang_mo',
'post_status' => 'any',
'numberposts' => -1,
'nopaging' => true,
)
);
if ( is_array( $posts ) ) {
foreach ( $posts as $post ) {
$meta = get_post_meta( $post->ID, '_pll_strings_translations', true );
if ( empty( $meta ) ) {
$strings = maybe_unserialize( $post->post_content );
if ( is_array( $strings ) ) {
update_post_meta( $post->ID, '_pll_strings_translations', $strings );
}
}
}
}
}
/**
* Upgrades if the previous version is < 2.7
* Replace numeric keys by hashes in WPML registered strings
* Dismiss the wizard notice for existing sites
*
* @since 2.7
*
* @return void
*/
protected function upgrade_2_7() {
$strings = get_option( 'polylang_wpml_strings' );
if ( is_array( $strings ) ) {
$new_strings = array();
foreach ( $strings as $string ) {
$context = $string['context'];
$name = $string['name'];
$key = md5( "$context | $name" );
$new_strings[ $key ] = $string;
}
update_option( 'polylang_wpml_strings', $new_strings );
}
PLL_Admin_Notices::dismiss( 'wizard' );
}
/**
* Upgrades if the previous version is < 2.8.1
*
* Deletes language cache due to:
* - 'redirect_lang' option removed for subdomains and multiple domains in 2.2
* - W3C and Facebook locales added to PLL_Language objects in 2.3
* - flags moved to a different directory in Polylang Pro 2.8
* - bug of flags url returning html fixed in 2.8.1
*
* @since 2.8.1
*
* @return void
*/
protected function upgrade_2_8_1() {
delete_transient( 'pll_languages_list' );
}
}
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