WordPress 主题更新提示实现方法

这是要给用户说的话

$theme_update_json = 'http://www.111com.net /update.json';//注意你的地址
define( 'theme_update_json', $theme_update_json );
 

$themefolder = strtolower( wp_get_theme() );
define( 'theme_folder', $themefolder );
 

$theme_update_json_path = TEMPLATEPATH . '/update.json';
define( 'theme_update_json_path', $theme_update_json_path );
 

function Bing_get_update_json(){
 $fp = @file_get_contents( theme_update_json, 'r' );
 if( !$fp ) return;
 file_put_contents( theme_update_json_path, $fp );
}
add_action( 'theme_' . theme_folder . '_update', 'Bing_get_update_json' );
 

function Bing_theme_version_compare(){
 global $update_json;
 if( !file_exists( theme_update_json_path ) ) return false;
 $theme_data = wp_get_theme();
 $update_json = @file_get_contents( theme_update_json_path, 'r' );
 $update_json = json_decode( $update_json, true );
 if( version_compare( $update_json['Version'], $theme_data['Version'], '>' ) ) return true;
 return false;
}
 
function Bing_update_schedule_event(){
 global $pagenow;
 if( $pagenow == 'themes.php' && isset( $_GET['activated'] ) && !wp_next_scheduled( 'theme_' . theme_folder . '_update' ) ) wp_schedule_event( current_time( 'timestamp' ), 'daily', 'theme_' . theme_folder . '_update' );
}
add_action( 'load-themes.php', 'Bing_update_schedule_event' );
 
function Bing_notices_update(){
 if( !Bing_theme_version_compare() ) return;
 global $update_json;
 echo '