set_post_thumbnail_size() WP 1.0

Registers an image size for the post thumbnail.

Works based on: add_image_size()

No Hooks.

Null. Nothing.

set_post_thumbnail_size( $width, $height, $crop );

$width(int): Image width in pixels.
Default: 0
$height(int): Image height in pixels.
Default: 0
$crop(true/false/array): Whether to crop images to specified width and height or resize. An array can specify positioning of the crop area.
Default: false

Since 2.9.0

Introduced.

<?php
function set_post_thumbnail_size( $width = 0, $height = 0, $crop = false ) {
	add_image_size( 'post-thumbnail', $width, $height, $crop );
}