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

Description

See also

• image_resize()

Parameters

$filemixedrequired

Filename of the original image, Or attachment ID.

$max_sideintrequired

Maximum length of a single side for the thumbnail.

$deprecatedmixedoptional

Never used.

Default:''

Return

Source

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 ) );
}

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