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get_post_mime_type( int|WP_Post $post = null )

Retrieve the mime type of an attachment based on the ID.

Description

This function can be used with any post type, but it makes more sense with attachments.

Parameters

$post

(int|WP_Post) (Optional) Post ID or post object. Defaults to global $post.

Default value: null

Return

(string|false) The mime type on success, false on failure.

Source

File: wp-includes/post.php 

function get_post_mime_type( $post = null ) {
	$post = get_post( $post );

	if ( is_object( $post ) ) {
		return $post->post_mime_type;
	}

	return false;
}

Uses

Uses Description
wp-includes/post.php: get_post()

Retrieves post data given a post ID or post object.

Used By

Used By Description
wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php: WP_REST_Attachments_Controller::edit_media_item()

Applies edits to a media item and creates a new attachment record.
wp-admin/includes/image-edit.php: wp_image_editor()

Loads the WP image-editing interface.
wp-admin/includes/image.php: wp_generate_attachment_metadata()

Generate attachment meta data and create image sub-sizes for images.
wp-includes/post-template.php: get_body_class()

Retrieves an array of the class names for the body element.

Changelog

Version Description
2.0.0 Introduced.

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