Edit: define.php
<?php /* * Legacy support for W3-total-cache 0.9.4 only */ if ( @is_dir( W3TC_DIR ) && file_exists( W3TC_DIR . '/w3-total-cache-api.php' ) ) { require_once W3TC_DIR . '/w3-total-cache-api.php'; } define( 'W3TC_LIB_W3_DIR', W3TC_DIR ); function w3_require_once( $file ) { } function w3_is_dbcluster() { return false; } class W3_Db { public static function instance() { return \W3TC\DbCache_Wpdb::instance(); } }
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