Question

_fetch_remote_file( string $url,  array $headers = "" )

Retrieve URL headers and content using WP HTTP Request API.

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description

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参数

$url

(string) (Required) URL to retrieve

$headers

(array) (Optional) Headers to send to the URL.

Default value: ""

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返回值

(Snoopy) style response

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源代码

File: wp-includes/rss.php

function _fetch_remote_file($url, $headers = "" ) {
	$resp = wp_safe_remote_request( $url, array( 'headers' => $headers, 'timeout' => MAGPIE_FETCH_TIME_OUT ) );
	if ( is_wp_error($resp) ) {
		$error = array_shift($resp->errors);

		$resp = new stdClass;
		$resp->status = 500;
		$resp->response_code = 500;
		$resp->error = $error[0] . "\n"; //\n = Snoopy compatibility
		return $resp;
	}

	// Snoopy returns headers unprocessed.
	// Also note, WP_HTTP lowercases all keys, Snoopy did not.
	$return_headers = array();
	foreach ( wp_remote_retrieve_headers( $resp ) as $key => $value ) {
		if ( !is_array($value) ) {
			$return_headers[] = "$key: $value";
		} else {
			foreach ( $value as $v )
				$return_headers[] = "$key: $v";
		}
	}

	$response = new stdClass;
	$response->status = wp_remote_retrieve_response_code( $resp );
	$response->response_code = wp_remote_retrieve_response_code( $resp );
	$response->headers = $return_headers;
	$response->results = wp_remote_retrieve_body( $resp );

	return $response;
}

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更新日志

Version	description
1.5.0	Introduced.

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相关函数

Uses

• wp-includes/http.php: wp_safe_remote_request()
• wp-includes/http.php: wp_remote_retrieve_headers()
• wp-includes/http.php: wp_remote_retrieve_response_code()
• wp-includes/http.php: wp_remote_retrieve_body()
• wp-includes/load.php: is_wp_error()

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Used By

• wp-includes/rss.php: fetch_rss()

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User Contributed Notes