hearvox · November 26, 2018 18:26
diff --git a/wp-media-lib-size-col.php b/wp-media-lib-size-col.php
 <?php
 /* Add image data column to Media Library */
 /**
 * Add columns (file-size) to the Media Library list table.
 *
 * @param array $posts_columns Existing array of columns displayed in the Media list table.
 * @return array Amended array of columns to be displayed in the Media list table.
 */
 function my_media_columns( $posts_columns ) {
    $posts_columns['size'] = __( 'Size', 'headecon' );

    return $posts_columns;
 }
 add_filter( 'manage_media_columns', 'my_media_columns' );

 /**
 * Add data (file-size and pixel dimensions) to items in the Media Library list table.
 *
 * Optionally add a radio between file-size and image area (pixels).
 *
 * @param string $column_name Name of the custom column.
 * @param int    $post_id Current Attachment ID.
 */
 function my_media_columns_data( $column_name, $post_id ) {
    if ( 'size' !== $column_name ) {
        return;
    }

    $img_data = $img_meta = $bytes = ''; // String vars.
    $filesize = $width = $height = $ratio = 0; // Number vars.
    if ( wp_attachment_is_image( $post_id ) ) {

        $filesize = filesize( get_attached_file( $post_id ) );
        $bytes    = size_format( $filesize, 1 );

        // Highlight sizes over 75 KB
        if ( $filesize > 150000 ) {
            $bytes = '<span class="size150kb">' . $bytes . '</span>';
        } elseif ( $filesize > 75000 ) {
            $bytes = '<span class="size75kb">' . $bytes . '</span>';
        }

        $img_meta = wp_get_attachment_metadata( $post_id );

        $img_data = "$bytes<br>{$img_meta['width']}x{$img_meta['height']}";

        // (Comment above $img_data and uncomment below to add:)
        // Ratio of filesize to pixel area (lower means a better optimized image).
        // $width    = $img_meta['width'];
        // $height   = $img_meta['height'];
        // $ratio    = round( $filesize / ( $width * $height ), 1 ); // Radio of filesize to pixel area.
        // $img_data = "{$bytes}<br>{$width}x{$height}<br>({$ratio})";
    }

    echo $img_data;
 }
 add_action( 'manage_media_custom_column', 'my_media_columns_data', 10, 2 );

 /**
 * Style columns in the in the Media Library list table.
 *
 * Prints <style> in <head> when 'admin-menu' stylesheet loads.
 */
 function my_media_columns_styles() {
    $custom_css = "    /* Media Library column styles */
    .fixed .column-size { width: 5rem; }
    .size150kb { color: #ff0000; }
    .size75kb { color: #ff5722; }";

        wp_add_inline_style( 'admin-menu', $custom_css );
 }
 add_action( 'admin_print_styles-upload.php', 'my_media_columns_styles' );

 /**
 * (Another way to:) Style columns in the in the Media Library list table.
 *
 */
 /*
 function headecon_media_columns_add_styles() {
    echo
    '<style>
        .fixed .column-size { width: 5rem; }
        .size150kb { color: #ff0000; }
        .size75kb { color: #ff5722; }
    </style>';
 }
 // add_action( 'admin_print_styles-upload.php', 'headecon_media_columns_add_styles' );
 */
	<?php
	/* Add image data column to Media Library */
	/**
	* Add columns (file-size) to the Media Library list table.
	*
	* @param array $posts_columns Existing array of columns displayed in the Media list table.
	* @return array Amended array of columns to be displayed in the Media list table.
	*/
	function my_media_columns( $posts_columns ) {
	$posts_columns['size'] = __( 'Size', 'headecon' );

	return $posts_columns;
	}
	add_filter( 'manage_media_columns', 'my_media_columns' );

	/**
	* Add data (file-size and pixel dimensions) to items in the Media Library list table.
	*
	* Optionally add a radio between file-size and image area (pixels).
	*
	* @param string $column_name Name of the custom column.
	* @param int $post_id Current Attachment ID.
	*/
	function my_media_columns_data( $column_name, $post_id ) {
	if ( 'size' !== $column_name ) {
	return;
	}

	$img_data = $img_meta = $bytes = ''; // String vars.
	$filesize = $width = $height = $ratio = 0; // Number vars.
	if ( wp_attachment_is_image( $post_id ) ) {

	$filesize = filesize( get_attached_file( $post_id ) );
	$bytes = size_format( $filesize, 1 );

	// Highlight sizes over 75 KB
	if ( $filesize > 150000 ) {
	$bytes = '<span class="size150kb">' . $bytes . '</span>';
	} elseif ( $filesize > 75000 ) {
	$bytes = '<span class="size75kb">' . $bytes . '</span>';
	}

	$img_meta = wp_get_attachment_metadata( $post_id );

	$img_data = "$bytes<br>{$img_meta['width']}x{$img_meta['height']}";

	// (Comment above $img_data and uncomment below to add:)
	// Ratio of filesize to pixel area (lower means a better optimized image).
	// $width = $img_meta['width'];
	// $height = $img_meta['height'];
	// $ratio = round( $filesize / ( $width * $height ), 1 ); // Radio of filesize to pixel area.
	// $img_data = "{$bytes}<br>{$width}x{$height}<br>({$ratio})";
	}

	echo $img_data;
	}
	add_action( 'manage_media_custom_column', 'my_media_columns_data', 10, 2 );

	/**
	* Style columns in the in the Media Library list table.
	*
	* Prints <style> in <head> when 'admin-menu' stylesheet loads.
	*/
	function my_media_columns_styles() {
	$custom_css = " /* Media Library column styles */
	.fixed .column-size { width: 5rem; }
	.size150kb { color: #ff0000; }
	.size75kb { color: #ff5722; }";

	wp_add_inline_style( 'admin-menu', $custom_css );
	}
	add_action( 'admin_print_styles-upload.php', 'my_media_columns_styles' );

	/**
	* (Another way to:) Style columns in the in the Media Library list table.
	*
	*/
	/*
	function headecon_media_columns_add_styles() {
	echo
	'<style>
	.fixed .column-size { width: 5rem; }
	.size150kb { color: #ff0000; }
	.size75kb { color: #ff5722; }
	</style>';
	}
	// add_action( 'admin_print_styles-upload.php', 'headecon_media_columns_add_styles' );
	*/