WordPress at a glance

get_post_custom() WP 1.0

Retrieve post meta fields, based on post ID.

The post meta fields are retrieved from the cache where possible, so the function is optimized to be called more than once.

Works based on: get_post_meta()

No Hooks.

Return

Array. Post meta for the given post.

Usage

get_post_custom( $post_id );
$post_id(int)
Post ID.
Default: ID of the global $post

Changelog

Since 1.2.0 Introduced.

Code of get_post_custom() WP 5.5.3

<?php
function get_post_custom( $post_id = 0 ) {
	$post_id = absint( $post_id );
	if ( ! $post_id ) {
		$post_id = get_the_ID();
	}

	return get_post_meta( $post_id );
}

From tag: Metadatas (any)

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