W3cubDocs

/WordPress

wp_create_thumbnail( mixed $file, int $max_side, mixed $deprecated = '' )

This function has been deprecated. Use image_resize() instead.

This was once used to create a thumbnail from an Image given a maximum side size.

Description

See also

Parameters

$file

(mixed) (Required) Filename of the original image, Or attachment ID.

$max_side

(int) (Required) Maximum length of a single side for the thumbnail.

$deprecated

(mixed) (Optional) Never used.

Default value: ''

Return

(string) Thumbnail path on success, Error string on failure.

Source

File: wp-admin/includes/deprecated.php 

function wp_create_thumbnail( $file, $max_side, $deprecated = '' ) {
	_deprecated_function( __FUNCTION__, '3.5.0', 'image_resize()' );
	return apply_filters( 'wp_create_thumbnail', image_resize( $file, $max_side, $max_side ) );
}

Uses

Uses Description
wp-includes/deprecated.php: image_resize()

Scale down an image to fit a particular size and save a new copy of the image.
wp-includes/functions.php: _deprecated_function()

Mark a function as deprecated and inform when it has been used.
wp-includes/plugin.php: apply_filters()

Calls the callback functions that have been added to a filter hook.

Changelog

Version Description
3.5.0 Use image_resize()
1.2.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_create_thumbnail