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wp_ajax_imgedit_preview()

Ajax handler for image editor previews.

Source

File: wp-admin/includes/ajax-actions.php 

function wp_ajax_imgedit_preview() {
	$post_id = intval( $_GET['postid'] );
	if ( empty( $post_id ) || ! current_user_can( 'edit_post', $post_id ) ) {
		wp_die( -1 );
	}

	check_ajax_referer( "image_editor-$post_id" );

	include_once ABSPATH . 'wp-admin/includes/image-edit.php';

	if ( ! stream_preview_image( $post_id ) ) {
		wp_die( -1 );
	}

	wp_die();
}

Uses

Uses Description
wp-admin/includes/image-edit.php: stream_preview_image()

Streams image in post to browser, along with enqueued changes in $_REQUEST['history'].
wp-includes/capabilities.php: current_user_can()

Returns whether the current user has the specified capability.
wp-includes/pluggable.php: check_ajax_referer()

Verifies the Ajax request to prevent processing requests external of the blog.
wp-includes/functions.php: wp_die()

Kills WordPress execution and displays HTML page with an error message.

Changelog

Version Description
3.1.0 Introduced.

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