get_post_meta( int $post_id, string $key = '', bool $single = false ) Retrieves a post meta field for the given post ID. Parameters $post_id (int) (Required) Post ID. $key (string) (Optional) The meta key to retrieve. By default, returns data for all keys. Default value: '' $single (bool) (Optional) Whether to return a single value. This parameter has no effect if $key is not specified. Default value: false
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