Created
March 23, 2017 14:17
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Based on the Gist by Carl Alexander (https://gist.github.com/carlalexander/4106cfaaf405cec454ba195631bcb6bc), found via http://wordpress.stackexchange.com/a/244992/112824
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<?php | |
/* | |
Plugin Name: UTF8mb4-convert | |
Version: 1.0 | |
*/ | |
function update_db_to_utf8mb4() { | |
if ( ! isset( $_GET['update-utf8bm4'] ) ) { | |
return; | |
} | |
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' ); | |
/** WordPress Administration API */ | |
require_once( ABSPATH . 'wp-admin/includes/admin.php' ); | |
/** WordPress Schema API */ | |
require_once( ABSPATH . 'wp-admin/includes/schema.php' ); | |
global $wpdb; | |
if ( is_multisite() ) { | |
$tables = $wpdb->tables( 'blog' ); | |
} else { | |
$tables = $wpdb->tables( 'all' ); | |
if ( ! wp_should_upgrade_global_tables() ) { | |
$global_tables = $wpdb->tables( 'global' ); | |
$tables = array_diff_assoc( $tables, $global_tables ); | |
} | |
} | |
foreach ( $tables as $table ) { | |
maybe_convert_table_to_utf8mb4( $table ); | |
} | |
} | |
add_action( 'wp_loaded', 'update_db_to_utf8mb4' ); |
A little late, but: yes, it is a typo :)
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Is the get parameter a typo on line 8? It's written as
bm4
instead ofmb4
(multi-byte 4). I suppose it doesn't matter as long as you use the same query string when calling the function on your site, but I think this is a typo.