Question

get_core_checksums( string $version,  string $locale )

Gets and caches the checksums for the given version of WordPress.

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description

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参数

$version

(string) (Required) Version string to query.

$locale

(string) (Required) Locale to query.

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返回值

(bool|array) False on failure. An array of checksums on success.

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源代码

File: wp-admin/includes/update.php

function get_core_checksums( $version, $locale ) {
	$url = $http_url = 'http://api.wordpress.org/core/checksums/1.0/?' . http_build_query( compact( 'version', 'locale' ), null, '&' );

	if ( $ssl = wp_http_supports( array( 'ssl' ) ) )
		$url = set_url_scheme( $url, 'https' );

	$options = array(
		'timeout' => wp_doing_cron() ? 30 : 3,
	);

	$response = wp_remote_get( $url, $options );
	if ( $ssl && is_wp_error( $response ) ) {
		trigger_error(
			sprintf(
				/* translators: %s: support forums URL */
				__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
				__( 'https://wordpress.org/support/' )
			) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
			headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
		);
		$response = wp_remote_get( $http_url, $options );
	}

	if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) )
		return false;

	$body = trim( wp_remote_retrieve_body( $response ) );
	$body = json_decode( $body, true );

	if ( ! is_array( $body ) || ! isset( $body['checksums'] ) || ! is_array( $body['checksums'] ) )
		return false;

	return $body['checksums'];
}

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更新日志

Version	description
3.7.0	Introduced.

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相关函数

Uses

• wp-includes/load.php: wp_doing_cron()
• wp-includes/compat.php: json_decode()
• wp-includes/l10n.php: __()
• wp-includes/link-template.php: set_url_scheme()
• wp-includes/http.php: wp_http_supports()
• wp-includes/http.php: wp_remote_get()
• 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-admin/includes/class-core-upgrader.php: Core_Upgrader::check_files()
• wp-admin/includes/update-core.php: update_core()

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User Contributed Notes