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wp_is_jsonp_request()

wp_is_jsonp_request(): bool

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Checks whether current request is a JSONP request, or is expecting a JSONP response.

Return

bool True if JSONP request, false otherwise.

Source

function wp_is_jsonp_request() {
	if ( ! isset( $_GET['_jsonp'] ) ) {
		return false;
	}

	if ( ! function_exists( 'wp_check_jsonp_callback' ) ) {
		require_once ABSPATH . WPINC . '/functions.php';
	}

	$jsonp_callback = $_GET['_jsonp'];
	if ( ! wp_check_jsonp_callback( $jsonp_callback ) ) {
		return false;
	}

	/** This filter is documented in wp-includes/rest-api/class-wp-rest-server.php */
	$jsonp_enabled = apply_filters( 'rest_jsonp_enabled', true );

	return $jsonp_enabled;
}

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Hooks

apply_filters( ‘rest_jsonp_enabled’, bool $jsonp_enabled )

Filters whether JSONP is enabled for the REST API.

UsesDescription
wp_check_jsonp_callback()wp-includes/functions.php

Checks that a JSONP callback is a valid JavaScript callback name.

apply_filters()wp-includes/plugin.php

Calls the callback functions that have been added to a filter hook.

Used byDescription
wp_die()wp-includes/functions.php

Kills WordPress execution and displays HTML page with an error message.

Changelog

VersionDescription
5.2.0Introduced.

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