檢查WordPress使用容量

若你想在控制台顯示目前網站空間使用情形

編輯functions.php

add_action( 'wp_dashboard_setup', 'wpse_67876_wp_dashboard_setup' );

function wpse_67876_wp_dashboard_setup()
{
// Admins only
if( current_user_can( 'install_plugins' ) )
wp_add_dashboard_widget( 'wpse_67876_folder_sizes', __( 'Folder Sizes' ), 'wpse_67876_wp_add_dashboard_widget' );
}

function wpse_67876_wp_add_dashboard_widget()
{
$upload_dir     = wp_upload_dir();
$upload_space   = wpse_67876_foldersize( $upload_dir['basedir'] );
$content_space  = wpse_67876_foldersize( WP_CONTENT_DIR );
$wp_space       = wpse_67876_foldersize( ABSPATH );

/* ABSOLUTE paths not being shown in Widget */

// echo '<b>' . $upload_dir['basedir'] . ' </b><br />';
echo '<i>Uploads</i>: ' . wpse_67876_format_size( $upload_space ) . '<br /><br />';

// echo '<b>' . WP_CONTENT_DIR . ' </b><br />';
echo '<i>wp-content</i>: ' . wpse_67876_format_size( $content_space ) . '<br /><br />';

if( is_multisite() )
{
echo '<i>wp-content/blogs.dir</i>: ' . wpse_67876_format_size( wpse_67876_foldersize( WP_CONTENT_DIR . '/blogs.dir' ) ) . '<br /><br />';
}

// echo '<b>' . ABSPATH . ' </b><br />';
echo '<i>WordPress</i>: ' . wpse_67876_format_size( $wp_space );
}

function wpse_67876_foldersize( $path )
{
$total_size = 0;
$files = scandir( $path );
$cleanPath = rtrim( $path, '/' ) . '/';

foreach( $files as $t ) {
if ( '.' != $t && '..' != $t )
{
$currentFile = $cleanPath . $t;
if ( is_dir( $currentFile ) )
{
$size = wpse_67876_foldersize( $currentFile );
$total_size += $size;
}
else
{
$size = filesize( $currentFile );
$total_size += $size;
}
}
}

return $total_size;
}

function wpse_67876_format_size($size)
{
$units = explode( ' ', 'B KB MB GB TB PB' );

$mod = 1024;

for ( $i = 0; $size > $mod; $i++ )
$size /= $mod;

$endIndex = strpos( $size, "." ) + 3;

return substr( $size, 0, $endIndex ) . ' ' . $units[$i];
}