Question

wp_attachment_is_image( int|WP_Post $post = null )

Checks if the attachment is an image.

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description

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参数

$post

(int|WP_Post) (Optional) Attachment ID or object. Default is global $post.

Default value: null

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返回值

(bool) Whether the attachment is an image.

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源代码

File: wp-includes/post.php

function wp_attachment_is_image( $post = null ) {
	return wp_attachment_is( 'image', $post );
}

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更新日志

Version	description
4.2.0	Modified into wrapper for wp_attachment_is() and allowed WP_Post object to be passed.
2.1.0	Introduced.

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相关函数

Uses

• wp-includes/post.php: wp_attachment_is()

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Used By

• wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php: WP_REST_Attachments_Controller::prepare_item_for_response()
• wp-includes/embed.php: get_oembed_response_data_rich()
• wp-admin/includes/media.php: edit_form_image_editor()
• wp-admin/includes/media.php: get_media_item()
• wp-includes/deprecated.php: get_attachment_icon_src()
• wp-includes/media.php: image_downsize()
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User Contributed Notes

1. Skip to note content You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note Contributed by Codex

   Basic Example

   To check if post ID 37’s attachment is an image:

   
   if ( wp_attachment_is_image( $id = 37 ) ) {
   	echo "Post ".$id." is an image!";
   } else {
   	echo "Post ".$id." is not an image.";
   }