rest_parse_request_arg( mixed $value, WP_REST_Request $request, string $param )

Parse a request argument based on details registered to the route.

Description Description

Runs a validation check and sanitizes the value, primarily to be used via the sanitize_callback arguments in the endpoint args registration.

Parameters Parameters


(mixed) (Required)


(WP_REST_Request) (Required)


(string) (Required)

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Return Return


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Source Source

File: wp-includes/rest-api.php

function rest_parse_request_arg( $value, $request, $param ) {
	$is_valid = rest_validate_request_arg( $value, $request, $param );

	if ( is_wp_error( $is_valid ) ) {
		return $is_valid;

	$value = rest_sanitize_request_arg( $value, $request, $param );

	return $value;

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Changelog Changelog

Version Description
4.7.0 Introduced.

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