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require_wp_db › WordPress Function
Since2.5.0
已弃用n/a
› require_wp_db ( 没有参数 )
定义在: |
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文档: |
Loads the database class file and instantiates the `$wpdb` global.
源码
function require_wp_db() { global $wpdb; require_once ABSPATH . WPINC . '/class-wpdb.php'; if ( file_exists( WP_CONTENT_DIR . '/db.php' ) ) { require_once WP_CONTENT_DIR . '/db.php'; } if ( isset( $wpdb ) ) { return; } $dbuser = defined( 'DB_USER' ) ? DB_USER : ''; $dbpassword = defined( 'DB_PASSWORD' ) ? DB_PASSWORD : ''; $dbname = defined( 'DB_NAME' ) ? DB_NAME : ''; $dbhost = defined( 'DB_HOST' ) ? DB_HOST : ''; $wpdb = new wpdb( $dbuser, $dbpassword, $dbname, $dbhost ); }