Question

wp_remote_retrieve_header( array $response,  string $header )

Retrieve a single header by name from the raw response.

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description

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参数

$response

(array) (Required)

$header

(string) (Required) Header name to retrieve value from.

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返回值

(string) The header value. Empty string on if incorrect parameter given, or if the header doesn't exist.

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源代码

File: wp-includes/http.php

function wp_remote_retrieve_header( $response, $header ) {
	if ( is_wp_error( $response ) || ! isset( $response['headers'] ) ) {
		return '';
	}

	if ( isset( $response['headers'][ $header ] ) ) {
		return $response['headers'][$header];
	}

	return '';
}

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更新日志

Version	description
2.7.0	Introduced.

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相关函数

Uses

• wp-includes/load.php: is_wp_error()

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Used By

• wp-admin/includes/upgrade.php: wp_install_maybe_enable_pretty_permalinks()
• wp-admin/includes/file.php: download_url()
• wp-includes/comment.php: discover_pingback_server_uri()

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User Contributed Notes

1. Skip to note content You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note Contributed by Codex

   Get last modified date from response header

   $response = wp_remote_get( 'http://www.foo.com/file.txt' );
   $last_modified = wp_remote_retrieve_header( $response, 'last-modified' );