rest_is_field_included( string $field, array $fields )

Given an array of fields to include in a response, some of which may be nested.fields, determine whether the provided field should be included in the response body.


Description Description

If a parent field is passed in, the presence of any nested field within that parent will cause the method to return true. For example "title" will return true if any of title, title.raw or title.rendered is provided.


Parameters Parameters

$field

(string) (Required) A field to test for inclusion in the response body.

$fields

(array) (Required) An array of string fields supported by the endpoint.


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Return Return

(bool) Whether to include the field or not.


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Source Source

File: wp-includes/rest-api.php

function rest_is_field_included( $field, $fields ) {
	if ( in_array( $field, $fields, true ) ) {
		return true;
	}
	foreach ( $fields as $accepted_field ) {
		// Check to see if $field is the parent of any item in $fields.
		// A field "parent" should be accepted if "parent.child" is accepted.
		if ( strpos( $accepted_field, "$field." ) === 0 ) {
			return true;
		}
		// Conversely, if "parent" is accepted, all "parent.child" fields should
		// also be accepted.
		if ( strpos( $field, "$accepted_field." ) === 0 ) {
			return true;
		}
	}
	return false;
}

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Changelog Changelog

Changelog
Version Description
5.3.0 Introduced.


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