Add doc comments and fix phpcs errors

Signed-off-by: Riddhesh Sanghvi <riddheshsanghvi96@gmail.com>

Author: mrrobot47

src/Cron_Command.php

@@ -8,7 +8,6 @@
  *
  * @package ee-cli
  */
-
 class Cron_Command extends EE_Command {
 
 	/**
@@ -41,11 +40,11 @@ public function __construct() {
 	 *
 	 *  Entry                  | Description                                | Equivalent To
 	 *  -----                  | -----------                                | -------------
-	 *  @yearly (or @annually) | Run once a year, midnight, Jan. 1st        | 0 0 1 1 *
-	 *  @monthly               | Run once a month, midnight, first of month | 0 0 1 * *
-	 *  @weekly                | Run once a week, midnight between Sat/Sun  | 0 0 * * 0
-	 *  @daily (or @midnight)  | Run once a day, midnight                   | 0 0 * * *
-	 *  @hourly                | Run once an hour, beginning of hour        | 0 * * * *
+	 * @yearly (or @annually) | Run once a year, midnight, Jan. 1st        | 0 0 1 1 *
+	 * @monthly               | Run once a month, midnight, first of month | 0 0 1 * *
+	 * @weekly                | Run once a week, midnight between Sat/Sun  | 0 0 * * 0
+	 * @daily (or @midnight)  | Run once a day, midnight                   | 0 0 * * *
+	 * @hourly                | Run once an hour, beginning of hour        | 0 * * * *
 	 *
 	 * You may also schedule a job to execute at fixed intervals, starting at the time it's added or cron is run.
 	 * This is supported by following format:
@@ -72,9 +71,9 @@ public function __construct() {
 	 *
 	 *     # Adds a cron job to host running EasyEngine
 	 *     $ ee cron add host --command='wp media regenerate --yes' --schedule='@weekly'
-	 *
 	 */
 	public function add( $args, $assoc_args ) {
+
 		EE\Utils\delem_log( 'ee cron add start' );
 
 		if ( ! isset( $args[0] ) || $args[0] !== 'host' ) {
@@ -95,11 +94,11 @@ public function add( $args, $assoc_args ) {
 		$this->validate_command( $command );
 		$command = $this->add_sh_c_wrapper( $command );
 
-		Cron::create([
+		Cron::create( [
 			'site_url' => $site,
 			'command'  => $command,
 			'schedule' => $schedule
-		]);
+		] );
 
 
 		$this->update_cron_config();
@@ -156,9 +155,9 @@ public function add( $args, $assoc_args ) {
 	 *
 	 *     # Updates schedule of cron
 	 *     $ ee cron update 1 --schedule='@every 1m'
-	 *
 	 */
 	public function update( $args, $assoc_args ) {
+
 		EE\Utils\delem_log( 'ee cron add start' );
 
 		$data_to_update = [];
@@ -217,17 +216,16 @@ public function update( $args, $assoc_args ) {
 	 * @subcommand list
 	 */
 	public function _list( $args, $assoc_args ) {
-		$where = [];
-		$all   = EE\Utils\get_flag_value( $assoc_args, 'all' );
+
+		$all = EE\Utils\get_flag_value( $assoc_args, 'all' );
 
 		if ( ( ! isset( $args[0] ) || $args[0] !== 'host' ) && ! $all ) {
 			$args = auto_site_name( $args, 'cron', 'list' );
 		}
 
 		if ( isset( $args[0] ) ) {
 			$crons = Cron::where( 'site_url', $args[0] );
-		}
-		else {
+		} else {
 			$crons = Cron::all();
 		}
 
@@ -246,7 +244,6 @@ public function _list( $args, $assoc_args ) {
 	private function update_cron_config() {
 
 		$config = $this->generate_cron_config();
-
 		file_put_contents( EE_CONF_ROOT . '/cron/config.ini', $config );
 		EE_DOCKER::restart_container( 'ee-cron-scheduler' );
 	}
@@ -255,6 +252,7 @@ private function update_cron_config() {
 	 * Generates and returns cron config from DB
 	 */
 	private function generate_cron_config() {
+
 		$config_template = file_get_contents( __DIR__ . '/../templates/config.ini.mustache' );
 		$crons           = Cron::all();
 
@@ -318,7 +316,7 @@ public function run_now( $args ) {
 	 */
 	public function delete( $args ) {
 
-		$id = $args[0];
+		$id   = $args[0];
 		$cron = Cron::find( $id );
 
 		if ( ! $cron ) {
@@ -333,18 +331,26 @@ public function delete( $args ) {
 
 
 	/**
-	 * Returns php container name of a site
+	 * Returns php container name of a site.
+	 *
+	 * @param string $site Name of the site whose container name is needed.
+	 *
+	 * @return string Container name.
 	 */
 	private function site_php_container( $site ) {
+
 		return str_replace( '.', '', $site ) . '_php_1';
 	}
 
 	/**
-	 * Ensures given command will not create problem with INI syntax
+	 * Ensures given command will not create problem with INI syntax.
+	 * Semicolons and Hash(#) in commands do not work for now due to limitation of INI style config ofelia uses.
+	 * See https://github.com/EasyEngine/cron-command/issues/4.
+	 *
+	 * @param string $command Command whose syntax needs to be validated.
 	 */
 	private function validate_command( $command ) {
-		// Semicolons and Hash(#) in commands do not work for now due to limitation of INI style config ofelia uses
-		// See https://github.com/EasyEngine/cron-command/issues/4
+
 		if ( strpos( $command, ';' ) !== false ) {
 			EE::error( 'Command chaining using `;` - semi-colon is not supported currently. You can either use `&&` or `||` or creating a second cron job for the chained command.' );
 		}
@@ -353,6 +359,13 @@ private function validate_command( $command ) {
 		}
 	}
 
+	/**
+	 * Adds wrapper of `sh -c` to execute composite commands through docker exec properly.
+	 *
+	 * @param string $command Passed command.
+	 *
+	 * @return string Command with properly added wrapper.
+	 */
 	private function add_sh_c_wrapper( $command ) {
 		if ( strpos( $command, 'sh -c' ) !== false ) {
 			return $command;