Current File : /var/www/arphotolab.eco-n-tech.co.uk/wp-content/plugins/polylang/install/install.php
<?php
/**
* @package Polylang
*/
/**
* Polylang activation / de-activation class
*
* @since 1.7
*/
class PLL_Install extends PLL_Install_Base {
/**
* Checks min PHP and WP version, displays a notice if a requirement is not met.
*
* @since 2.6.7
*
* @return bool
*/
public function can_activate() {
global $wp_version;
if ( version_compare( PHP_VERSION, PLL_MIN_PHP_VERSION, '<' ) ) {
add_action( 'admin_notices', array( $this, 'php_version_notice' ) );
return false;
}
if ( version_compare( $wp_version, PLL_MIN_WP_VERSION, '<' ) ) {
add_action( 'admin_notices', array( $this, 'wp_version_notice' ) );
return false;
}
return true;
}
/**
* Displays a notice if PHP min version is not met.
*
* @since 2.6.7
*
* @return void
*/
public function php_version_notice() {
load_plugin_textdomain( 'polylang' ); // Plugin i18n.
printf(
'<div class="error"><p>%s</p></div>',
sprintf(
/* translators: 1: Plugin name 2: Current PHP version 3: Required PHP version */
esc_html__( '%1$s has deactivated itself because you are using an old version of PHP. You are using using PHP %2$s. %1$s requires PHP %3$s.', 'polylang' ),
esc_html( POLYLANG ),
PHP_VERSION,
esc_html( PLL_MIN_PHP_VERSION )
)
);
}
/**
* Displays a notice if WP min version is not met.
*
* @since 2.6.7
*
* @return void
*/
public function wp_version_notice() {
global $wp_version;
load_plugin_textdomain( 'polylang' ); // Plugin i18n.
printf(
'<div class="error"><p>%s</p></div>',
sprintf(
/* translators: 1: Plugin name 2: Current WordPress version 3: Required WordPress version */
esc_html__( '%1$s has deactivated itself because you are using an old version of WordPress. You are using using WordPress %2$s. %1$s requires at least WordPress %3$s.', 'polylang' ),
esc_html( POLYLANG ),
esc_html( $wp_version ),
esc_html( PLL_MIN_WP_VERSION )
)
);
}
/**
* Get default Polylang options.
*
* @since 1.8
*
* @return array
*/
public static function get_default_options() {
return array(
'browser' => 0, // Default language for the front page is not set by browser preference (was the opposite before 3.1).
'rewrite' => 1, // Remove /language/ in permalinks (was the opposite before 0.7.2).
'hide_default' => 1, // Remove URL language information for default language (was the opposite before 2.1.5).
'force_lang' => 1, // Add URL language information (was 0 before 1.7).
'redirect_lang' => 0, // Do not redirect the language page to the homepage.
'media_support' => 0, // Do not support languages and translation for media by default (was the opposite before 3.1).
'uninstall' => 0, // Do not remove data when uninstalling Polylang.
'sync' => array(), // Synchronisation is disabled by default (was the opposite before 1.2).
'post_types' => array(),
'taxonomies' => array(),
'domains' => array(),
'version' => POLYLANG_VERSION,
'first_activation' => time(),
);
}
/**
* Plugin activation
*
* @since 0.5
*
* @return void
*/
protected function _activate() {
if ( $options = get_option( 'polylang' ) ) {
// Check if we will be able to upgrade
if ( version_compare( $options['version'], POLYLANG_VERSION, '<' ) ) {
$upgrade = new PLL_Upgrade( $options );
$upgrade->can_activate();
}
}
// Defines default values for options in case this is the first installation
else {
update_option( 'polylang', self::get_default_options() );
}
// Avoid 1 query on every pages if no wpml strings is registered
if ( ! get_option( 'polylang_wpml_strings' ) ) {
update_option( 'polylang_wpml_strings', array() );
}
// Don't use flush_rewrite_rules at network activation. See #32471
// Thanks to RavanH for the trick. See https://polylang.wordpress.com/2015/06/10/polylang-1-7-6-and-multisite/
// Rewrite rules are created at next page load :)
delete_option( 'rewrite_rules' );
}
/**
* Plugin deactivation
*
* @since 0.5
*
* @return void
*/
protected function _deactivate() {
delete_option( 'rewrite_rules' ); // Don't use flush_rewrite_rules at network activation. See #32471
}
}
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