WordPress Image Editor

image_editor.php

<?php

add_shortcode( 'post_list', 'bunty_shortcode' );

function bunty_shortcode( $attr ) {

	ob_start();

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

	wp_image_editor( 26288 ); // change this with attachment ID.

	return ob_get_clean();

}

function bwp_script_callback() {

	wp_enqueue_style( 'imgareaselect' );

	wp_enqueue_script(
		'image-edit',
		trailingslashit( site_url( 'wp-admin' ) ) . 'js/image-edit.js',
		array( 'wp-i18n', 'jquery', 'jquery-ui-core', 'json2', 'imgareaselect', 'wp-a11y', 'wp-ajax-response' )
	);
}

add_action( 'wp_enqueue_scripts', 'bwp_script_callback' );

function bwp_head() {
	?>
	<script>
		var ajaxurl = '<?php echo admin_url( 'admin-ajax.php' ); ?>';
	</script>
	<?php
}

add_action( 'wp_head', 'bwp_head' );