Implement wp site get command to enable site operations by URL

composer.json

@@ -149,6 +149,7 @@
             "site deactivate",
             "site delete",
             "site empty",
+            "site get",
             "site list",
             "site mature",
             "site meta",

features/site.feature

@@ -763,3 +763,83 @@ Feature: Manage sites in a multisite installation
     Then STDOUT should be a table containing rows:
       | blog_id | public |
       | 2       | 1      |
+
+  Scenario: Get site by ID
+    Given a WP multisite install
+
+    When I run `wp site create --slug=testsite --porcelain`
+    Then STDOUT should be a number
+    And save STDOUT as {SITE_ID}
+
+    When I run `wp site get {SITE_ID} --field=blog_id`
+    Then STDOUT should be:
+      """
+      {SITE_ID}
+      """
+
+    When I run `wp site get {SITE_ID}`
+    Then STDOUT should be a table containing rows:
+      | Field     | Value     |
+      | blog_id   | {SITE_ID} |
+
+  Scenario: Get site by URL
+    Given a WP multisite install
+
+    When I run `wp site create --slug=testsite --porcelain`
+    Then STDOUT should be a number
+    And save STDOUT as {SITE_ID}
+    And I run `wp site list --blog_id={SITE_ID} --field=url`
+    And save STDOUT as {SITE_URL}
+
+    When I run `wp site get {SITE_URL} --field=blog_id`
+    Then STDOUT should be:
+      """
+      {SITE_ID}
+      """
+
+  Scenario: Get site by URL with subdirectory
+    Given a WP multisite subdirectory install
+
+    When I run `wp site create --slug=mysubdir --porcelain`
+    Then STDOUT should be a number
+    And save STDOUT as {SITE_ID}
+
+    When I run `wp site get http://example.com/mysubdir/ --field=blog_id`
+    Then STDOUT should be:
+      """
+      {SITE_ID}
+      """
+
+  Scenario: Use site get with site delete
+    Given a WP multisite install
+
+    When I run `wp site create --slug=deleteme --porcelain`
+    Then STDOUT should be a number
+    And save STDOUT as {SITE_ID}
+
+    When I run `wp site get http://example.com/deleteme/ --field=blog_id`
+    Then STDOUT should be:
+      """
+      {SITE_ID}
+      """
+    And save STDOUT as {BLOG_ID}
+
+    When I run `wp site delete {BLOG_ID} --yes`
+    Then STDOUT should contain:
+      """
+      Success: The site at
+      """
+    And STDOUT should contain:
+      """
+      was deleted.
+      """
+
+  Scenario: Get site with invalid URL should fail
+    Given a WP multisite install
+
+    When I try `wp site get http://example.com/nonexistent/ --field=blog_id`
+    Then STDERR should contain:
+      """
+      Error: Could not find site with URL: http://example.com/nonexistent/
+      """
+    And the return code should be 1

src/Site_Command.php

@@ -384,6 +384,139 @@ public function delete( $args, $assoc_args ) {
 		WP_CLI::success( "The site at '{$site_url}' was deleted." );
 	}
 
+	/**
+	 * Gets details about a site in a multisite installation.
+	 *
+	 * ## OPTIONS
+	 *
+	 * <site>
+	 * : Site ID or URL of the site to get. For subdirectory sites, use the full URL (e.g., http://example.com/subdir/).
+	 *
+	 * [--field=<field>]
+	 * : Instead of returning the whole site, returns the value of a single field.
+	 *
+	 * [--fields=<fields>]
+	 * : Limit the output to specific fields. Defaults to all fields.
+	 *
+	 * [--format=<format>]
+	 * : Render output in a particular format.
+	 * ---
+	 * default: table
+	 * options:
+	 *   - table
+	 *   - csv
+	 *   - json
+	 *   - yaml
+	 * ---
+	 *
+	 * ## AVAILABLE FIELDS
+	 *
+	 * These fields will be displayed by default for the site:
+	 *
+	 * * blog_id
+	 * * url
+	 * * last_updated
+	 * * registered
+	 *
+	 * These fields are optionally available:
+	 *
+	 * * site_id
+	 * * domain
+	 * * path
+	 * * public
+	 * * archived
+	 * * mature
+	 * * spam
+	 * * deleted
+	 * * lang_id
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     # Get site by ID
+	 *     $ wp site get 1
+	 *     +---------+-------------------------+---------------------+---------------------+
+	 *     | blog_id | url                     | last_updated        | registered          |
+	 *     +---------+-------------------------+---------------------+---------------------+
+	 *     | 1       | http://example.com/     | 2025-01-01 12:00:00 | 2025-01-01 12:00:00 |
+	 *     +---------+-------------------------+---------------------+---------------------+
+	 *
+	 *     # Get site URL by site ID
+	 *     $ wp site get 1 --field=url
+	 *     http://example.com/
+	 *
+	 *     # Get site ID by URL
+	 *     $ wp site get http://example.com/subdir/ --field=blog_id
+	 *     2
+	 *
+	 *     # Delete a site by URL
+	 *     $ wp site delete $(wp site get http://example.com/subdir/ --field=blog_id) --yes
+	 *     Success: The site at 'http://example.com/subdir/' was deleted.
+	 */
+	public function get( $args, $assoc_args ) {
+		if ( ! is_multisite() ) {
+			WP_CLI::error( 'This is not a multisite installation.' );
+		}
+
+		$site_arg = $args[0];
+		$site     = null;
+
+		// Check if the argument is a URL (contains :// or starts with www.)
+		if ( false !== strpos( $site_arg, '://' ) || 0 === strpos( $site_arg, 'www.' ) ) {
+			// Normalize scheme-less URLs starting with www. for proper parsing.
+			$url_to_parse = $site_arg;
+			if ( 0 === strpos( $site_arg, 'www.' ) && false === strpos( $site_arg, '://' ) ) {
+				$url_to_parse = 'http://' . $site_arg;
+			}
+
+			// Parse the URL to get domain and path
+			$url_parts = wp_parse_url( $url_to_parse );
+
+			if ( ! isset( $url_parts['host'] ) ) {
+				WP_CLI::error( "Invalid URL: {$site_arg}" );
+			}
+
+			$domain = $url_parts['host'];
+			$path   = isset( $url_parts['path'] ) ? $url_parts['path'] : '/';
+
+			// Ensure path ends with /
+			if ( '/' !== substr( $path, -1 ) ) {
+				$path .= '/';
+			}
+
+			// Use WordPress's cached function to get the blog ID
+			$blog_id = get_blog_id_from_url( $domain, $path );
+
+			if ( ! $blog_id ) {
+				WP_CLI::error( "Could not find site with URL: {$site_arg}" );
+			}
+
+			$site = $this->fetcher->get_check( $blog_id );
+		} else {
+			// Treat as site ID
+			$site = $this->fetcher->get_check( $site_arg );
+		}
+
+		// Get the site details and add URL
+		$site_data        = get_object_vars( $site );
+		$site_data['url'] = trailingslashit( get_home_url( $site->blog_id ) );
+
+		// Cast numeric fields to int for consistent output
+		$numeric_fields = [ 'blog_id', 'site_id', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id' ];
+		foreach ( $numeric_fields as $field ) {
+			if ( isset( $site_data[ $field ] ) && is_scalar( $site_data[ $field ] ) ) {
+				$site_data[ $field ] = (int) $site_data[ $field ];
+			}
+		}
+
+		// Set default fields if not specified
+		if ( empty( $assoc_args['fields'] ) ) {
+			$assoc_args['fields'] = [ 'blog_id', 'url', 'last_updated', 'registered' ];
+		}
+
+		$formatter = $this->get_formatter( $assoc_args );
+		$formatter->display_item( $site_data );
+	}
+
 	/**
 	 * Creates a site in a multisite installation.
 	 *