wp_remote_fopen( string $uri )

Source

File: wp-includes/functions.php

function wp_remote_fopen( $uri ) {
	$parsed_url = parse_url( $uri );

	if ( ! $parsed_url || ! is_array( $parsed_url ) ) {
		return false;
	}

	$options            = array();
	$options['timeout'] = 10;

	$response = wp_safe_remote_get( $uri, $options );

	if ( is_wp_error( $response ) ) {
		return false;
	}

	return wp_remote_retrieve_body( $response );
}