AyeCode / invoicing

includes/libraries/action-scheduler/classes/ActionScheduler_Compatibility.php

Indentation +81 added lines, -81 removed lines

@@ -5,95 +5,95 @@
  */
 class ActionScheduler_Compatibility {
 
-	/**
-	 * Converts a shorthand byte value to an integer byte value.
-	 *
-	 * Wrapper for wp_convert_hr_to_bytes(), moved to load.php in WordPress 4.6 from media.php
-	 *
-	 * @link https://secure.php.net/manual/en/function.ini-get.php
-	 * @link https://secure.php.net/manual/en/faq.using.php#faq.using.shorthandbytes
-	 *
-	 * @param string $value A (PHP ini) byte value, either shorthand or ordinary.
-	 * @return int An integer byte value.
-	 */
-	public static function convert_hr_to_bytes( $value ) {
-		if ( function_exists( 'wp_convert_hr_to_bytes' ) ) {
-			return wp_convert_hr_to_bytes( $value );
-		}
+    /**
+     * Converts a shorthand byte value to an integer byte value.
+     *
+     * Wrapper for wp_convert_hr_to_bytes(), moved to load.php in WordPress 4.6 from media.php
+     *
+     * @link https://secure.php.net/manual/en/function.ini-get.php
+     * @link https://secure.php.net/manual/en/faq.using.php#faq.using.shorthandbytes
+     *
+     * @param string $value A (PHP ini) byte value, either shorthand or ordinary.
+     * @return int An integer byte value.
+     */
+    public static function convert_hr_to_bytes( $value ) {
+        if ( function_exists( 'wp_convert_hr_to_bytes' ) ) {
+            return wp_convert_hr_to_bytes( $value );
+        }
 
-		$value = strtolower( trim( $value ) );
-		$bytes = (int) $value;
+        $value = strtolower( trim( $value ) );
+        $bytes = (int) $value;
 
-		if ( false !== strpos( $value, 'g' ) ) {
-			$bytes *= GB_IN_BYTES;
-		} elseif ( false !== strpos( $value, 'm' ) ) {
-			$bytes *= MB_IN_BYTES;
-		} elseif ( false !== strpos( $value, 'k' ) ) {
-			$bytes *= KB_IN_BYTES;
-		}
+        if ( false !== strpos( $value, 'g' ) ) {
+            $bytes *= GB_IN_BYTES;
+        } elseif ( false !== strpos( $value, 'm' ) ) {
+            $bytes *= MB_IN_BYTES;
+        } elseif ( false !== strpos( $value, 'k' ) ) {
+            $bytes *= KB_IN_BYTES;
+        }
 
-		// Deal with large (float) values which run into the maximum integer size.
-		return min( $bytes, PHP_INT_MAX );
-	}
+        // Deal with large (float) values which run into the maximum integer size.
+        return min( $bytes, PHP_INT_MAX );
+    }
 
-	/**
-	 * Attempts to raise the PHP memory limit for memory intensive processes.
-	 *
-	 * Only allows raising the existing limit and prevents lowering it.
-	 *
-	 * Wrapper for wp_raise_memory_limit(), added in WordPress v4.6.0
-	 *
-	 * @return bool|int|string The limit that was set or false on failure.
-	 */
-	public static function raise_memory_limit() {
-		if ( function_exists( 'wp_raise_memory_limit' ) ) {
-			return wp_raise_memory_limit( 'admin' );
-		}
+    /**
+     * Attempts to raise the PHP memory limit for memory intensive processes.
+     *
+     * Only allows raising the existing limit and prevents lowering it.
+     *
+     * Wrapper for wp_raise_memory_limit(), added in WordPress v4.6.0
+     *
+     * @return bool|int|string The limit that was set or false on failure.
+     */
+    public static function raise_memory_limit() {
+        if ( function_exists( 'wp_raise_memory_limit' ) ) {
+            return wp_raise_memory_limit( 'admin' );
+        }
 
-		$current_limit     = @ini_get( 'memory_limit' );
-		$current_limit_int = self::convert_hr_to_bytes( $current_limit );
+        $current_limit     = @ini_get( 'memory_limit' );
+        $current_limit_int = self::convert_hr_to_bytes( $current_limit );
 
-		if ( -1 === $current_limit_int ) {
-			return false;
-		}
+        if ( -1 === $current_limit_int ) {
+            return false;
+        }
 
-		$wp_max_limit       = WP_MAX_MEMORY_LIMIT;
-		$wp_max_limit_int   = self::convert_hr_to_bytes( $wp_max_limit );
-		$filtered_limit     = apply_filters( 'admin_memory_limit', $wp_max_limit );
-		$filtered_limit_int = self::convert_hr_to_bytes( $filtered_limit );
+        $wp_max_limit       = WP_MAX_MEMORY_LIMIT;
+        $wp_max_limit_int   = self::convert_hr_to_bytes( $wp_max_limit );
+        $filtered_limit     = apply_filters( 'admin_memory_limit', $wp_max_limit );
+        $filtered_limit_int = self::convert_hr_to_bytes( $filtered_limit );
 
-		if ( -1 === $filtered_limit_int || ( $filtered_limit_int > $wp_max_limit_int && $filtered_limit_int > $current_limit_int ) ) {
-			if ( false !== @ini_set( 'memory_limit', $filtered_limit ) ) {
-				return $filtered_limit;
-			} else {
-				return false;
-			}
-		} elseif ( -1 === $wp_max_limit_int || $wp_max_limit_int > $current_limit_int ) {
-			if ( false !== @ini_set( 'memory_limit', $wp_max_limit ) ) {
-				return $wp_max_limit;
-			} else {
-				return false;
-			}
-		}
-		return false;
-	}
+        if ( -1 === $filtered_limit_int || ( $filtered_limit_int > $wp_max_limit_int && $filtered_limit_int > $current_limit_int ) ) {
+            if ( false !== @ini_set( 'memory_limit', $filtered_limit ) ) {
+                return $filtered_limit;
+            } else {
+                return false;
+            }
+        } elseif ( -1 === $wp_max_limit_int || $wp_max_limit_int > $current_limit_int ) {
+            if ( false !== @ini_set( 'memory_limit', $wp_max_limit ) ) {
+                return $wp_max_limit;
+            } else {
+                return false;
+            }
+        }
+        return false;
+    }
 
-	/**
-	 * Attempts to raise the PHP timeout for time intensive processes.
-	 *
-	 * Only allows raising the existing limit and prevents lowering it. Wrapper for wc_set_time_limit(), when available.
-	 *
-	 * @param int The time limit in seconds.
-	 */
-	public static function raise_time_limit( $limit = 0 ) {
-		if ( $limit < ini_get( 'max_execution_time' ) ) {
-			return;
-		}
+    /**
+     * Attempts to raise the PHP timeout for time intensive processes.
+     *
+     * Only allows raising the existing limit and prevents lowering it. Wrapper for wc_set_time_limit(), when available.
+     *
+     * @param int The time limit in seconds.
+     */
+    public static function raise_time_limit( $limit = 0 ) {
+        if ( $limit < ini_get( 'max_execution_time' ) ) {
+            return;
+        }
 
-		if ( function_exists( 'wc_set_time_limit' ) ) {
-			wc_set_time_limit( $limit );
-		} elseif ( function_exists( 'set_time_limit' ) && false === strpos( ini_get( 'disable_functions' ), 'set_time_limit' ) && ! ini_get( 'safe_mode' ) ) {
-			@set_time_limit( $limit );
-		}
-	}
+        if ( function_exists( 'wc_set_time_limit' ) ) {
+            wc_set_time_limit( $limit );
+        } elseif ( function_exists( 'set_time_limit' ) && false === strpos( ini_get( 'disable_functions' ), 'set_time_limit' ) && ! ini_get( 'safe_mode' ) ) {
+            @set_time_limit( $limit );
+        }
+    }
 }

Spacing +24 added lines, -24 removed lines

@@ -16,24 +16,24 @@ 
 	 * @param string $value A (PHP ini) byte value, either shorthand or ordinary.
 	 * @return int An integer byte value.
 	 */
-	public static function convert_hr_to_bytes( $value ) {
-		if ( function_exists( 'wp_convert_hr_to_bytes' ) ) {
-			return wp_convert_hr_to_bytes( $value );
+	public static function convert_hr_to_bytes($value) {
+		if (function_exists('wp_convert_hr_to_bytes')) {
+			return wp_convert_hr_to_bytes($value);
 		}
 
-		$value = strtolower( trim( $value ) );
+		$value = strtolower(trim($value));
 		$bytes = (int) $value;
 
-		if ( false !== strpos( $value, 'g' ) ) {
+		if (false !== strpos($value, 'g')) {
 			$bytes *= GB_IN_BYTES;
-		} elseif ( false !== strpos( $value, 'm' ) ) {
+		} elseif (false !== strpos($value, 'm')) {
 			$bytes *= MB_IN_BYTES;
-		} elseif ( false !== strpos( $value, 'k' ) ) {
+		} elseif (false !== strpos($value, 'k')) {
 			$bytes *= KB_IN_BYTES;
 		}
 
 		// Deal with large (float) values which run into the maximum integer size.
-		return min( $bytes, PHP_INT_MAX );
+		return min($bytes, PHP_INT_MAX);
 	}
 
 	/**
@@ -46,30 +46,30 @@ 
 	 * @return bool|int|string The limit that was set or false on failure.
 	 */
 	public static function raise_memory_limit() {
-		if ( function_exists( 'wp_raise_memory_limit' ) ) {
-			return wp_raise_memory_limit( 'admin' );
+		if (function_exists('wp_raise_memory_limit')) {
+			return wp_raise_memory_limit('admin');
 		}
 
-		$current_limit     = @ini_get( 'memory_limit' );
-		$current_limit_int = self::convert_hr_to_bytes( $current_limit );
+		$current_limit     = @ini_get('memory_limit');
+		$current_limit_int = self::convert_hr_to_bytes($current_limit);
 
 		if ( -1 === $current_limit_int ) {
 			return false;
 		}
 
 		$wp_max_limit       = WP_MAX_MEMORY_LIMIT;
-		$wp_max_limit_int   = self::convert_hr_to_bytes( $wp_max_limit );
-		$filtered_limit     = apply_filters( 'admin_memory_limit', $wp_max_limit );
-		$filtered_limit_int = self::convert_hr_to_bytes( $filtered_limit );
+		$wp_max_limit_int   = self::convert_hr_to_bytes($wp_max_limit);
+		$filtered_limit     = apply_filters('admin_memory_limit', $wp_max_limit);
+		$filtered_limit_int = self::convert_hr_to_bytes($filtered_limit);
 
-		if ( -1 === $filtered_limit_int || ( $filtered_limit_int > $wp_max_limit_int && $filtered_limit_int > $current_limit_int ) ) {
-			if ( false !== @ini_set( 'memory_limit', $filtered_limit ) ) {
+		if ( -1 === $filtered_limit_int || ($filtered_limit_int > $wp_max_limit_int && $filtered_limit_int > $current_limit_int) ) {
+			if (false !== @ini_set('memory_limit', $filtered_limit)) {
 				return $filtered_limit;
 			} else {
 				return false;
 			}
 		} elseif ( -1 === $wp_max_limit_int || $wp_max_limit_int > $current_limit_int ) {
-			if ( false !== @ini_set( 'memory_limit', $wp_max_limit ) ) {
+			if (false !== @ini_set('memory_limit', $wp_max_limit)) {
 				return $wp_max_limit;
 			} else {
 				return false;
@@ -85,15 +85,15 @@ 
 	 *
 	 * @param int The time limit in seconds.
 	 */
-	public static function raise_time_limit( $limit = 0 ) {
-		if ( $limit < ini_get( 'max_execution_time' ) ) {
+	public static function raise_time_limit($limit = 0) {
+		if ($limit < ini_get('max_execution_time')) {
 			return;
 		}
 
-		if ( function_exists( 'wc_set_time_limit' ) ) {
-			wc_set_time_limit( $limit );
-		} elseif ( function_exists( 'set_time_limit' ) && false === strpos( ini_get( 'disable_functions' ), 'set_time_limit' ) && ! ini_get( 'safe_mode' ) ) {
-			@set_time_limit( $limit );
+		if (function_exists('wc_set_time_limit')) {
+			wc_set_time_limit($limit);
+		} elseif (function_exists('set_time_limit') && false === strpos(ini_get('disable_functions'), 'set_time_limit') && !ini_get('safe_mode')) {
+			@set_time_limit($limit);
 		}
 	}
 }

includes/libraries/action-scheduler/lib/WP_Async_Request.php

Indentation +153 added lines, -153 removed lines

@@ -14,157 +14,157 @@
 
 if ( ! class_exists( 'WP_Async_Request' ) ) {
 
-	/**
-	 * Abstract WP_Async_Request class.
-	 *
-	 * @abstract
-	 */
-	abstract class WP_Async_Request {
-
-		/**
-		 * Prefix
-		 *
-		 * (default value: 'wp')
-		 *
-		 * @var string
-		 * @access protected
-		 */
-		protected $prefix = 'wp';
-
-		/**
-		 * Action
-		 *
-		 * (default value: 'async_request')
-		 *
-		 * @var string
-		 * @access protected
-		 */
-		protected $action = 'async_request';
-
-		/**
-		 * Identifier
-		 *
-		 * @var mixed
-		 * @access protected
-		 */
-		protected $identifier;
-
-		/**
-		 * Data
-		 *
-		 * (default value: array())
-		 *
-		 * @var array
-		 * @access protected
-		 */
-		protected $data = array();
-
-		/**
-		 * Initiate new async request
-		 */
-		public function __construct() {
-			$this->identifier = $this->prefix . '_' . $this->action;
-
-			add_action( 'wp_ajax_' . $this->identifier, array( $this, 'maybe_handle' ) );
-			add_action( 'wp_ajax_nopriv_' . $this->identifier, array( $this, 'maybe_handle' ) );
-		}
-
-		/**
-		 * Set data used during the request
-		 *
-		 * @param array $data Data.
-		 *
-		 * @return $this
-		 */
-		public function data( $data ) {
-			$this->data = $data;
-
-			return $this;
-		}
-
-		/**
-		 * Dispatch the async request
-		 *
-		 * @return array|WP_Error
-		 */
-		public function dispatch() {
-			$url  = add_query_arg( $this->get_query_args(), $this->get_query_url() );
-			$args = $this->get_post_args();
-
-			return wp_remote_post( esc_url_raw( $url ), $args );
-		}
-
-		/**
-		 * Get query args
-		 *
-		 * @return array
-		 */
-		protected function get_query_args() {
-			if ( property_exists( $this, 'query_args' ) ) {
-				return $this->query_args;
-			}
-
-			return array(
-				'action' => $this->identifier,
-				'nonce'  => wp_create_nonce( $this->identifier ),
-			);
-		}
-
-		/**
-		 * Get query URL
-		 *
-		 * @return string
-		 */
-		protected function get_query_url() {
-			if ( property_exists( $this, 'query_url' ) ) {
-				return $this->query_url;
-			}
-
-			return admin_url( 'admin-ajax.php' );
-		}
-
-		/**
-		 * Get post args
-		 *
-		 * @return array
-		 */
-		protected function get_post_args() {
-			if ( property_exists( $this, 'post_args' ) ) {
-				return $this->post_args;
-			}
-
-			return array(
-				'timeout'   => 0.01,
-				'blocking'  => false,
-				'body'      => $this->data,
-				'cookies'   => $_COOKIE,
-				'sslverify' => apply_filters( 'https_local_ssl_verify', false ),
-			);
-		}
-
-		/**
-		 * Maybe handle
-		 *
-		 * Check for correct nonce and pass to handler.
-		 */
-		public function maybe_handle() {
-			// Don't lock up other requests while processing
-			session_write_close();
-
-			check_ajax_referer( $this->identifier, 'nonce' );
-
-			$this->handle();
-
-			wp_die();
-		}
-
-		/**
-		 * Handle
-		 *
-		 * Override this method to perform any actions required
-		 * during the async request.
-		 */
-		abstract protected function handle();
-
-	}
+    /**
+     * Abstract WP_Async_Request class.
+     *
+     * @abstract
+     */
+    abstract class WP_Async_Request {
+
+        /**
+         * Prefix
+         *
+         * (default value: 'wp')
+         *
+         * @var string
+         * @access protected
+         */
+        protected $prefix = 'wp';
+
+        /**
+         * Action
+         *
+         * (default value: 'async_request')
+         *
+         * @var string
+         * @access protected
+         */
+        protected $action = 'async_request';
+
+        /**
+         * Identifier
+         *
+         * @var mixed
+         * @access protected
+         */
+        protected $identifier;
+
+        /**
+         * Data
+         *
+         * (default value: array())
+         *
+         * @var array
+         * @access protected
+         */
+        protected $data = array();
+
+        /**
+         * Initiate new async request
+         */
+        public function __construct() {
+            $this->identifier = $this->prefix . '_' . $this->action;
+
+            add_action( 'wp_ajax_' . $this->identifier, array( $this, 'maybe_handle' ) );
+            add_action( 'wp_ajax_nopriv_' . $this->identifier, array( $this, 'maybe_handle' ) );
+        }
+
+        /**
+         * Set data used during the request
+         *
+         * @param array $data Data.
+         *
+         * @return $this
+         */
+        public function data( $data ) {
+            $this->data = $data;
+
+            return $this;
+        }
+
+        /**
+         * Dispatch the async request
+         *
+         * @return array|WP_Error
+         */
+        public function dispatch() {
+            $url  = add_query_arg( $this->get_query_args(), $this->get_query_url() );
+            $args = $this->get_post_args();
+
+            return wp_remote_post( esc_url_raw( $url ), $args );
+        }
+
+        /**
+         * Get query args
+         *
+         * @return array
+         */
+        protected function get_query_args() {
+            if ( property_exists( $this, 'query_args' ) ) {
+                return $this->query_args;
+            }
+
+            return array(
+                'action' => $this->identifier,
+                'nonce'  => wp_create_nonce( $this->identifier ),
+            );
+        }
+
+        /**
+         * Get query URL
+         *
+         * @return string
+         */
+        protected function get_query_url() {
+            if ( property_exists( $this, 'query_url' ) ) {
+                return $this->query_url;
+            }
+
+            return admin_url( 'admin-ajax.php' );
+        }
+
+        /**
+         * Get post args
+         *
+         * @return array
+         */
+        protected function get_post_args() {
+            if ( property_exists( $this, 'post_args' ) ) {
+                return $this->post_args;
+            }
+
+            return array(
+                'timeout'   => 0.01,
+                'blocking'  => false,
+                'body'      => $this->data,
+                'cookies'   => $_COOKIE,
+                'sslverify' => apply_filters( 'https_local_ssl_verify', false ),
+            );
+        }
+
+        /**
+         * Maybe handle
+         *
+         * Check for correct nonce and pass to handler.
+         */
+        public function maybe_handle() {
+            // Don't lock up other requests while processing
+            session_write_close();
+
+            check_ajax_referer( $this->identifier, 'nonce' );
+
+            $this->handle();
+
+            wp_die();
+        }
+
+        /**
+         * Handle
+         *
+         * Override this method to perform any actions required
+         * during the async request.
+         */
+        abstract protected function handle();
+
+    }
 }

Spacing +13 added lines, -13 removed lines

@@ -12,7 +12,7 @@ 
 License URI: https://github.com/deliciousbrains/wp-background-processing/commit/126d7945dd3d39f39cb6488ca08fe1fb66cb351a
 */
 
-if ( ! class_exists( 'WP_Async_Request' ) ) {
+if (!class_exists('WP_Async_Request')) {
 
 	/**
 	 * Abstract WP_Async_Request class.
@@ -65,8 +65,8 @@ 
 		public function __construct() {
 			$this->identifier = $this->prefix . '_' . $this->action;
 
-			add_action( 'wp_ajax_' . $this->identifier, array( $this, 'maybe_handle' ) );
-			add_action( 'wp_ajax_nopriv_' . $this->identifier, array( $this, 'maybe_handle' ) );
+			add_action('wp_ajax_' . $this->identifier, array($this, 'maybe_handle'));
+			add_action('wp_ajax_nopriv_' . $this->identifier, array($this, 'maybe_handle'));
 		}
 
 		/**
@@ -76,7 +76,7 @@ 
 		 *
 		 * @return $this
 		 */
-		public function data( $data ) {
+		public function data($data) {
 			$this->data = $data;
 
 			return $this;
@@ -88,10 +88,10 @@ 
 		 * @return array|WP_Error
 		 */
 		public function dispatch() {
-			$url  = add_query_arg( $this->get_query_args(), $this->get_query_url() );
+			$url  = add_query_arg($this->get_query_args(), $this->get_query_url());
 			$args = $this->get_post_args();
 
-			return wp_remote_post( esc_url_raw( $url ), $args );
+			return wp_remote_post(esc_url_raw($url), $args);
 		}
 
 		/**
@@ -100,13 +100,13 @@ 
 		 * @return array
 		 */
 		protected function get_query_args() {
-			if ( property_exists( $this, 'query_args' ) ) {
+			if (property_exists($this, 'query_args')) {
 				return $this->query_args;
 			}
 
 			return array(
 				'action' => $this->identifier,
-				'nonce'  => wp_create_nonce( $this->identifier ),
+				'nonce'  => wp_create_nonce($this->identifier),
 			);
 		}
 
@@ -116,11 +116,11 @@ 
 		 * @return string
 		 */
 		protected function get_query_url() {
-			if ( property_exists( $this, 'query_url' ) ) {
+			if (property_exists($this, 'query_url')) {
 				return $this->query_url;
 			}
 
-			return admin_url( 'admin-ajax.php' );
+			return admin_url('admin-ajax.php');
 		}
 
 		/**
@@ -129,7 +129,7 @@ 
 		 * @return array
 		 */
 		protected function get_post_args() {
-			if ( property_exists( $this, 'post_args' ) ) {
+			if (property_exists($this, 'post_args')) {
 				return $this->post_args;
 			}
 
@@ -138,7 +138,7 @@ 
 				'blocking'  => false,
 				'body'      => $this->data,
 				'cookies'   => $_COOKIE,
-				'sslverify' => apply_filters( 'https_local_ssl_verify', false ),
+				'sslverify' => apply_filters('https_local_ssl_verify', false),
 			);
 		}
 
@@ -151,7 +151,7 @@ 
 			// Don't lock up other requests while processing
 			session_write_close();
 
-			check_ajax_referer( $this->identifier, 'nonce' );
+			check_ajax_referer($this->identifier, 'nonce');
 
 			$this->handle();
 

includes/libraries/action-scheduler/lib/cron-expression/CronExpression_AbstractField.php

Spacing +1 added lines, -1 removed lines

@@ -89,7 +89,7 @@
             return false;
         }
 
-        for ($i = $offset; $i <= $to; $i+= $stepSize) {
+        for ($i = $offset; $i <= $to; $i += $stepSize) {
             if ($i == $dateValue) {
                 return true;
             }

includes/libraries/action-scheduler/lib/cron-expression/CronExpression.php

Spacing +1 added lines, -1 removed lines

@@ -240,7 +240,7 @@
             $currentTime = new DateTime($currentTime);
             $currentTime->setTime($currentTime->format('H'), $currentTime->format('i'), 0);
             $currentDate = $currentTime->format('Y-m-d H:i');
-            $currentTime = (int)($currentTime->getTimestamp());
+            $currentTime = (int) ($currentTime->getTimestamp());
         }
 
         return $this->getNextRunDate($currentDate, 0, true)->getTimestamp() == $currentTime;

invoicing.php

Spacing +7 added lines, -7 removed lines

@@ -12,19 +12,19 @@
 */
 
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
-if ( !defined( 'WPINV_VERSION' ) ) {
-    define( 'WPINV_VERSION', '1.0.18' );
+if (!defined('WPINV_VERSION')) {
+    define('WPINV_VERSION', '1.0.18');
 }
 
-if ( !defined( 'WPINV_PLUGIN_FILE' ) ) {
-    define( 'WPINV_PLUGIN_FILE', __FILE__ );
+if (!defined('WPINV_PLUGIN_FILE')) {
+    define('WPINV_PLUGIN_FILE', __FILE__);
 }
 
-require plugin_dir_path( __FILE__ ) . 'includes/class-wpinv.php';
+require plugin_dir_path(__FILE__) . 'includes/class-wpinv.php';
 
 function wpinv_run() {
     global $invoicing;

vendor/composer/autoload_static.php

Spacing +7 added lines, -7 removed lines

@@ -6,33 +6,33 @@
 
 class ComposerStaticInit8b6d4385c391849a80038f0b0e87c8b5
 {
-    public static $files = array (
+    public static $files = array(
         'e8d544c98e79f913e13eae1306ab635e' => __DIR__ . '/..' . '/ayecode/wp-ayecode-ui/ayecode-ui-loader.php',
         '24583d3588ebda5228dd453cfaa070da' => __DIR__ . '/..' . '/ayecode/wp-font-awesome-settings/wp-font-awesome-settings.php',
     );
 
-    public static $prefixLengthsPsr4 = array (
+    public static $prefixLengthsPsr4 = array(
         'C' => 
-        array (
+        array(
             'Composer\\Installers\\' => 20,
         ),
     );
 
-    public static $prefixDirsPsr4 = array (
+    public static $prefixDirsPsr4 = array(
         'Composer\\Installers\\' => 
-        array (
+        array(
             0 => __DIR__ . '/..' . '/composer/installers/src/Composer/Installers',
         ),
     );
 
-    public static $classMap = array (
+    public static $classMap = array(
         'AyeCode_Connect_Helper' => __DIR__ . '/..' . '/ayecode/ayecode-connect-helper/ayecode-connect-helper.php',
         'WP_Super_Duper' => __DIR__ . '/..' . '/ayecode/wp-super-duper/wp-super-duper.php',
     );
 
     public static function getInitializer(ClassLoader $loader)
     {
-        return \Closure::bind(function () use ($loader) {
+        return \Closure::bind(function() use ($loader) {
             $loader->prefixLengthsPsr4 = ComposerStaticInit8b6d4385c391849a80038f0b0e87c8b5::$prefixLengthsPsr4;
             $loader->prefixDirsPsr4 = ComposerStaticInit8b6d4385c391849a80038f0b0e87c8b5::$prefixDirsPsr4;
             $loader->classMap = ComposerStaticInit8b6d4385c391849a80038f0b0e87c8b5::$classMap;

widgets/payment-form.php

Indentation +70 added lines, -70 removed lines

@@ -16,23 +16,23 @@ 
      */
     public function __construct() {
 
-		$forms = get_posts(
-			array(
-				'post_type'      => 'wpi_payment_form',
-				'orderby'        => 'title',
-				'order'          => 'ASC',
-				'posts_per_page' => -1,
-				'post_status'    => array( 'publish' ),
-			)
-		);
-
-		$options = array(
-			'' => __('Select a Form','invoicing')
-		);
-
-		foreach( $forms as $form ) {
-			$options[ $form->ID ] = $form->post_title;
-		}
+        $forms = get_posts(
+            array(
+                'post_type'      => 'wpi_payment_form',
+                'orderby'        => 'title',
+                'order'          => 'ASC',
+                'posts_per_page' => -1,
+                'post_status'    => array( 'publish' ),
+            )
+        );
+
+        $options = array(
+            '' => __('Select a Form','invoicing')
+        );
+
+        foreach( $forms as $form ) {
+            $options[ $form->ID ] = $form->post_title;
+        }
 
         $options = array(
             'textdomain'    => 'invoicing',
@@ -50,8 +50,8 @@ 
                 'form'            => array(
                     'title'       => __( 'Payment Form', 'invoicing' ),
                     'desc'        => __( 'Select your payment form.', 'invoicing' ),
-					'type'        => 'select',
-					'options'     =>  $options,
+                    'type'        => 'select',
+                    'options'     =>  $options,
                     'desc_tip'    => true,
                     'default'     => '',
                     'advanced'    => false
@@ -64,59 +64,59 @@ 
         parent::__construct( $options );
     }
 
-	/**
-	 * The Super block output function.
-	 *
-	 * @param array $args
-	 * @param array $widget_args
-	 * @param string $content
-	 *
-	 * @return string
-	 */
+    /**
+     * The Super block output function.
+     *
+     * @param array $args
+     * @param array $widget_args
+     * @param string $content
+     *
+     * @return string
+     */
     public function output( $args = array(), $widget_args = array(), $content = '' ) {
-		global $invoicing;
-
-		// Do we have a payment form?
-		if ( empty( $args['form'] ) ) {
-			return aui()->alert(
-				array(
-					'type'    => 'warning',
-					'content' => __( 'No payment form selected', 'invoicing' ),
-				)
-			);
-
-		}
-
-		// If yes, ensure that it is published.
-		if ( 'publish' != get_post_status( $args['form'] ) ) {
-			return aui()->alert(
-				array(
-					'type'    => 'warning',
-					'content' => __( 'This payment form is no longer active', 'invoicing' ),
-				)
-			);
-		}
-
-		// Get the form elements and items.
-		$elements = $invoicing->form_elements->get_form_elements( $args['form'] );
-		$items    = $invoicing->form_elements->get_form_items( $args['form'] );
-
-		ob_start();
-		echo "<form class='wpinv_payment_form'>";
-		echo "<input type='hidden' name='form_id' value='{$args['form']}'/>";
-		wp_nonce_field( 'wpinv_payment_form', 'wpinv_payment_form' );
-
-		foreach ( $elements as $element ) {
-			do_action( 'wpinv_frontend_render_payment_form_element', $element, $items, $args['form'] );
-			do_action( "wpinv_frontend_render_payment_form_{$element['type']}", $element, $items, $args['form'] );
-		}
-
-		echo "<div class='wpinv_payment_form_errors alert alert-danger d-none'></div>";
-		echo '</form>';
-
-		$content = ob_get_clean();
+        global $invoicing;
+
+        // Do we have a payment form?
+        if ( empty( $args['form'] ) ) {
+            return aui()->alert(
+                array(
+                    'type'    => 'warning',
+                    'content' => __( 'No payment form selected', 'invoicing' ),
+                )
+            );
+
+        }
+
+        // If yes, ensure that it is published.
+        if ( 'publish' != get_post_status( $args['form'] ) ) {
+            return aui()->alert(
+                array(
+                    'type'    => 'warning',
+                    'content' => __( 'This payment form is no longer active', 'invoicing' ),
+                )
+            );
+        }
+
+        // Get the form elements and items.
+        $elements = $invoicing->form_elements->get_form_elements( $args['form'] );
+        $items    = $invoicing->form_elements->get_form_items( $args['form'] );
+
+        ob_start();
+        echo "<form class='wpinv_payment_form'>";
+        echo "<input type='hidden' name='form_id' value='{$args['form']}'/>";
+        wp_nonce_field( 'wpinv_payment_form', 'wpinv_payment_form' );
+
+        foreach ( $elements as $element ) {
+            do_action( 'wpinv_frontend_render_payment_form_element', $element, $items, $args['form'] );
+            do_action( "wpinv_frontend_render_payment_form_{$element['type']}", $element, $items, $args['form'] );
+        }
+
+        echo "<div class='wpinv_payment_form_errors alert alert-danger d-none'></div>";
+        echo '</form>';
+
+        $content = ob_get_clean();
 		
-		return str_replace( 'sr-only', '', $content );
+        return str_replace( 'sr-only', '', $content );
 
     }
 

Spacing +22 added lines, -22 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit; // Exit if accessed directly
 }
 
@@ -22,16 +22,16 @@ 
 				'orderby'        => 'title',
 				'order'          => 'ASC',
 				'posts_per_page' => -1,
-				'post_status'    => array( 'publish' ),
+				'post_status'    => array('publish'),
 			)
 		);
 
 		$options = array(
-			'' => __('Select a Form','invoicing')
+			'' => __('Select a Form', 'invoicing')
 		);
 
-		foreach( $forms as $form ) {
-			$options[ $form->ID ] = $form->post_title;
+		foreach ($forms as $form) {
+			$options[$form->ID] = $form->post_title;
 		}
 
         $options = array(
@@ -41,15 +41,15 @@ 
             'block-keywords'=> "['invoicing','buy', 'buy item', 'pay', 'payment form']",
             'class_name'     => __CLASS__,
             'base_id'       => 'wpinv_payment_form',
-            'name'          => __('Invoicing > Payment Form','invoicing'),
+            'name'          => __('Invoicing > Payment Form', 'invoicing'),
             'widget_ops'    => array(
                 'classname'   => 'wpinv-payment-form-class bsui',
-                'description' => esc_html__('Displays a payment form.','invoicing'),
+                'description' => esc_html__('Displays a payment form.', 'invoicing'),
             ),
             'arguments'           => array(
                 'form'            => array(
-                    'title'       => __( 'Payment Form', 'invoicing' ),
-                    'desc'        => __( 'Select your payment form.', 'invoicing' ),
+                    'title'       => __('Payment Form', 'invoicing'),
+                    'desc'        => __('Select your payment form.', 'invoicing'),
 					'type'        => 'select',
 					'options'     =>  $options,
                     'desc_tip'    => true,
@@ -61,7 +61,7 @@ 
         );
 
 
-        parent::__construct( $options );
+        parent::__construct($options);
     }
 
 	/**
@@ -73,42 +73,42 @@ 
 	 *
 	 * @return string
 	 */
-    public function output( $args = array(), $widget_args = array(), $content = '' ) {
+    public function output($args = array(), $widget_args = array(), $content = '') {
 		global $invoicing;
 
 		// Do we have a payment form?
-		if ( empty( $args['form'] ) ) {
+		if (empty($args['form'])) {
 			return aui()->alert(
 				array(
 					'type'    => 'warning',
-					'content' => __( 'No payment form selected', 'invoicing' ),
+					'content' => __('No payment form selected', 'invoicing'),
 				)
 			);
 
 		}
 
 		// If yes, ensure that it is published.
-		if ( 'publish' != get_post_status( $args['form'] ) ) {
+		if ('publish' != get_post_status($args['form'])) {
 			return aui()->alert(
 				array(
 					'type'    => 'warning',
-					'content' => __( 'This payment form is no longer active', 'invoicing' ),
+					'content' => __('This payment form is no longer active', 'invoicing'),
 				)
 			);
 		}
 
 		// Get the form elements and items.
-		$elements = $invoicing->form_elements->get_form_elements( $args['form'] );
-		$items    = $invoicing->form_elements->get_form_items( $args['form'] );
+		$elements = $invoicing->form_elements->get_form_elements($args['form']);
+		$items    = $invoicing->form_elements->get_form_items($args['form']);
 
 		ob_start();
 		echo "<form class='wpinv_payment_form'>";
 		echo "<input type='hidden' name='form_id' value='{$args['form']}'/>";
-		wp_nonce_field( 'wpinv_payment_form', 'wpinv_payment_form' );
+		wp_nonce_field('wpinv_payment_form', 'wpinv_payment_form');
 
-		foreach ( $elements as $element ) {
-			do_action( 'wpinv_frontend_render_payment_form_element', $element, $items, $args['form'] );
-			do_action( "wpinv_frontend_render_payment_form_{$element['type']}", $element, $items, $args['form'] );
+		foreach ($elements as $element) {
+			do_action('wpinv_frontend_render_payment_form_element', $element, $items, $args['form']);
+			do_action("wpinv_frontend_render_payment_form_{$element['type']}", $element, $items, $args['form']);
 		}
 
 		echo "<div class='wpinv_payment_form_errors alert alert-danger d-none'></div>";
@@ -116,7 +116,7 @@ 
 
 		$content = ob_get_clean();
 		
-		return str_replace( 'sr-only', '', $content );
+		return str_replace('sr-only', '', $content);
 
     }
 

includes/wpinv-email-functions.php

Spacing +588 added lines, -588 removed lines

@@ -7,12 +7,12 @@ 
  */
 
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 function wpinv_init_transactional_emails() {
-    $email_actions = apply_filters( 'wpinv_email_actions', array(
+    $email_actions = apply_filters('wpinv_email_actions', array(
         'wpinv_status_wpi-pending_to_wpi-processing',
         'wpinv_status_wpi-pending_to_publish',
         'wpinv_status_wpi-pending_to_wpi-cancelled',
@@ -30,381 +30,381 @@ 
         'wpinv_fully_refunded',
         'wpinv_partially_refunded',
         'wpinv_new_invoice_note'
-    ) );
+    ));
 
-    foreach ( $email_actions as $action ) {
-        add_action( $action, 'wpinv_send_transactional_email', 10, 10 );
+    foreach ($email_actions as $action) {
+        add_action($action, 'wpinv_send_transactional_email', 10, 10);
     }
 }
-add_action( 'init', 'wpinv_init_transactional_emails' );
+add_action('init', 'wpinv_init_transactional_emails');
 
 // New invoice email
-add_action( 'wpinv_status_wpi-pending_to_wpi-processing_notification', 'wpinv_new_invoice_notification' );
-add_action( 'wpinv_status_wpi-pending_to_publish_notification', 'wpinv_new_invoice_notification' );
-add_action( 'wpinv_status_wpi-pending_to_wpi-onhold_notification', 'wpinv_new_invoice_notification' );
-add_action( 'wpinv_status_wpi-failed_to_wpi-processing_notification', 'wpinv_new_invoice_notification' );
-add_action( 'wpinv_status_wpi-failed_to_publish_notification', 'wpinv_new_invoice_notification' );
-add_action( 'wpinv_status_wpi-failed_to_wpi-onhold_notification', 'wpinv_new_invoice_notification' );
+add_action('wpinv_status_wpi-pending_to_wpi-processing_notification', 'wpinv_new_invoice_notification');
+add_action('wpinv_status_wpi-pending_to_publish_notification', 'wpinv_new_invoice_notification');
+add_action('wpinv_status_wpi-pending_to_wpi-onhold_notification', 'wpinv_new_invoice_notification');
+add_action('wpinv_status_wpi-failed_to_wpi-processing_notification', 'wpinv_new_invoice_notification');
+add_action('wpinv_status_wpi-failed_to_publish_notification', 'wpinv_new_invoice_notification');
+add_action('wpinv_status_wpi-failed_to_wpi-onhold_notification', 'wpinv_new_invoice_notification');
 
 // Cancelled invoice email
-add_action( 'wpinv_status_wpi-pending_to_wpi-cancelled_notification', 'wpinv_cancelled_invoice_notification' );
-add_action( 'wpinv_status_wpi-onhold_to_wpi-cancelled_notification', 'wpinv_cancelled_invoice_notification' );
+add_action('wpinv_status_wpi-pending_to_wpi-cancelled_notification', 'wpinv_cancelled_invoice_notification');
+add_action('wpinv_status_wpi-onhold_to_wpi-cancelled_notification', 'wpinv_cancelled_invoice_notification');
 
 // Failed invoice email
-add_action( 'wpinv_status_wpi-pending_to_wpi-failed_notification', 'wpinv_failed_invoice_notification' );
-add_action( 'wpinv_status_wpi-onhold_to_wpi-failed_notification', 'wpinv_failed_invoice_notification' );
+add_action('wpinv_status_wpi-pending_to_wpi-failed_notification', 'wpinv_failed_invoice_notification');
+add_action('wpinv_status_wpi-onhold_to_wpi-failed_notification', 'wpinv_failed_invoice_notification');
 
 // On hold invoice email
-add_action( 'wpinv_status_wpi-pending_to_wpi-onhold_notification', 'wpinv_onhold_invoice_notification' );
-add_action( 'wpinv_status_wpi-failed_to_wpi-onhold_notification', 'wpinv_onhold_invoice_notification' );
+add_action('wpinv_status_wpi-pending_to_wpi-onhold_notification', 'wpinv_onhold_invoice_notification');
+add_action('wpinv_status_wpi-failed_to_wpi-onhold_notification', 'wpinv_onhold_invoice_notification');
 
 // Processing invoice email
-add_action( 'wpinv_status_wpi-pending_to_wpi-processing_notification', 'wpinv_processing_invoice_notification' );
+add_action('wpinv_status_wpi-pending_to_wpi-processing_notification', 'wpinv_processing_invoice_notification');
 
 // Paid invoice email
-add_action( 'wpinv_status_publish_notification', 'wpinv_completed_invoice_notification' );
+add_action('wpinv_status_publish_notification', 'wpinv_completed_invoice_notification');
 
 // Refunded invoice email
-add_action( 'wpinv_fully_refunded_notification', 'wpinv_fully_refunded_notification' );
-add_action( 'wpinv_partially_refunded_notification', 'wpinv_partially_refunded_notification' );
-add_action( 'wpinv_status_publish_to_wpi-refunded_notification', 'wpinv_fully_refunded_notification' );
-add_action( 'wpinv_status_wpi-processing_to_wpi-refunded_notification', 'wpinv_fully_refunded_notification' );
+add_action('wpinv_fully_refunded_notification', 'wpinv_fully_refunded_notification');
+add_action('wpinv_partially_refunded_notification', 'wpinv_partially_refunded_notification');
+add_action('wpinv_status_publish_to_wpi-refunded_notification', 'wpinv_fully_refunded_notification');
+add_action('wpinv_status_wpi-processing_to_wpi-refunded_notification', 'wpinv_fully_refunded_notification');
 
 // Invoice note
-add_action( 'wpinv_new_invoice_note_notification', 'wpinv_new_invoice_note_notification' );
+add_action('wpinv_new_invoice_note_notification', 'wpinv_new_invoice_note_notification');
 
-add_action( 'wpinv_email_header', 'wpinv_email_header' );
-add_action( 'wpinv_email_footer', 'wpinv_email_footer' );
-add_action( 'wpinv_email_invoice_details', 'wpinv_email_invoice_details', 10, 3 );
-add_action( 'wpinv_email_invoice_items', 'wpinv_email_invoice_items', 10, 3 );
-add_action( 'wpinv_email_billing_details', 'wpinv_email_billing_details', 10, 3 );
+add_action('wpinv_email_header', 'wpinv_email_header');
+add_action('wpinv_email_footer', 'wpinv_email_footer');
+add_action('wpinv_email_invoice_details', 'wpinv_email_invoice_details', 10, 3);
+add_action('wpinv_email_invoice_items', 'wpinv_email_invoice_items', 10, 3);
+add_action('wpinv_email_billing_details', 'wpinv_email_billing_details', 10, 3);
 
 function wpinv_send_transactional_email() {
     $args       = func_get_args();
     $function   = current_filter() . '_notification';
-    do_action_ref_array( $function, $args );
+    do_action_ref_array($function, $args);
 }
 
-function wpinv_new_invoice_notification( $invoice_id, $new_status = '' ) {
+function wpinv_new_invoice_notification($invoice_id, $new_status = '') {
     $email_type = 'new_invoice';
-    if ( !wpinv_email_is_enabled( $email_type ) ) {
+    if (!wpinv_email_is_enabled($email_type)) {
         return false;
     }
 
-    $invoice = wpinv_get_invoice( $invoice_id );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($invoice_id);
+    if (empty($invoice)) {
         return false;
     }
 
-    if ( !("wpi_invoice" === $invoice->post_type) ) {
+    if (!("wpi_invoice" === $invoice->post_type)) {
         return false;
     }
 
-    $recipient      = wpinv_email_get_recipient( $email_type, $invoice_id, $invoice );
-    if ( !is_email( $recipient ) ) {
+    $recipient = wpinv_email_get_recipient($email_type, $invoice_id, $invoice);
+    if (!is_email($recipient)) {
         return false;
     }
 
-    do_action( 'wpinv_pre_send_invoice_notification', $invoice, $email_type, true );
+    do_action('wpinv_pre_send_invoice_notification', $invoice, $email_type, true);
 
-    $subject        = wpinv_email_get_subject( $email_type, $invoice_id, $invoice );
-    $email_heading  = wpinv_email_get_heading( $email_type, $invoice_id, $invoice );
-    $headers        = wpinv_email_get_headers( $email_type, $invoice_id, $invoice );
-    $message_body   = wpinv_email_get_content( $email_type, $invoice_id, $invoice );
-    $attachments    = wpinv_email_get_attachments( $email_type, $invoice_id, $invoice );
+    $subject        = wpinv_email_get_subject($email_type, $invoice_id, $invoice);
+    $email_heading  = wpinv_email_get_heading($email_type, $invoice_id, $invoice);
+    $headers        = wpinv_email_get_headers($email_type, $invoice_id, $invoice);
+    $message_body   = wpinv_email_get_content($email_type, $invoice_id, $invoice);
+    $attachments    = wpinv_email_get_attachments($email_type, $invoice_id, $invoice);
 
-    $content        = wpinv_get_template_html( 'emails/wpinv-email-' . $email_type . '.php', array(
+    $content        = wpinv_get_template_html('emails/wpinv-email-' . $email_type . '.php', array(
             'invoice'       => $invoice,
             'email_type'    => $email_type,
             'email_heading' => $email_heading,
             'sent_to_admin' => true,
             'plain_text'    => false,
             'message_body'  => $message_body,
-        ) );
+        ));
 
-    $sent = wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    $sent = wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
 
-    do_action( 'wpinv_post_send_invoice_notification', $invoice, $email_type, true );
+    do_action('wpinv_post_send_invoice_notification', $invoice, $email_type, true);
 
     return $sent;
 }
 
-function wpinv_cancelled_invoice_notification( $invoice_id, $new_status = '' ) {
+function wpinv_cancelled_invoice_notification($invoice_id, $new_status = '') {
     $email_type = 'cancelled_invoice';
-    if ( !wpinv_email_is_enabled( $email_type ) ) {
+    if (!wpinv_email_is_enabled($email_type)) {
         return false;
     }
 
-    $invoice = wpinv_get_invoice( $invoice_id );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($invoice_id);
+    if (empty($invoice)) {
         return false;
     }
 
-    if ( !("wpi_invoice" === $invoice->post_type) ) {
+    if (!("wpi_invoice" === $invoice->post_type)) {
         return false;
     }
 
-    $recipient      = wpinv_email_get_recipient( $email_type, $invoice_id, $invoice );
-    if ( !is_email( $recipient ) ) {
+    $recipient = wpinv_email_get_recipient($email_type, $invoice_id, $invoice);
+    if (!is_email($recipient)) {
         return false;
     }
 
-    do_action( 'wpinv_pre_send_invoice_notification', $invoice, $email_type, true );
+    do_action('wpinv_pre_send_invoice_notification', $invoice, $email_type, true);
 
-    $subject        = wpinv_email_get_subject( $email_type, $invoice_id, $invoice );
-    $email_heading  = wpinv_email_get_heading( $email_type, $invoice_id, $invoice );
-    $headers        = wpinv_email_get_headers( $email_type, $invoice_id, $invoice );
-    $message_body   = wpinv_email_get_content( $email_type, $invoice_id, $invoice );
-    $attachments    = wpinv_email_get_attachments( $email_type, $invoice_id, $invoice );
+    $subject        = wpinv_email_get_subject($email_type, $invoice_id, $invoice);
+    $email_heading  = wpinv_email_get_heading($email_type, $invoice_id, $invoice);
+    $headers        = wpinv_email_get_headers($email_type, $invoice_id, $invoice);
+    $message_body   = wpinv_email_get_content($email_type, $invoice_id, $invoice);
+    $attachments    = wpinv_email_get_attachments($email_type, $invoice_id, $invoice);
 
-    $content        = wpinv_get_template_html( 'emails/wpinv-email-' . $email_type . '.php', array(
+    $content        = wpinv_get_template_html('emails/wpinv-email-' . $email_type . '.php', array(
             'invoice'       => $invoice,
             'email_type'    => $email_type,
             'email_heading' => $email_heading,
             'sent_to_admin' => true,
             'plain_text'    => false,
             'message_body'  => $message_body,
-        ) );
+        ));
 
-    $sent = wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    $sent = wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
 
-    do_action( 'wpinv_post_send_invoice_notification', $invoice, $email_type, true );
+    do_action('wpinv_post_send_invoice_notification', $invoice, $email_type, true);
 
     return $sent;
 }
 
-function wpinv_failed_invoice_notification( $invoice_id, $new_status = '' ) {
+function wpinv_failed_invoice_notification($invoice_id, $new_status = '') {
     $email_type = 'failed_invoice';
-    if ( !wpinv_email_is_enabled( $email_type ) ) {
+    if (!wpinv_email_is_enabled($email_type)) {
         return false;
     }
     
-    $invoice = wpinv_get_invoice( $invoice_id );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($invoice_id);
+    if (empty($invoice)) {
         return false;
     }
 
-    if ( !("wpi_invoice" === $invoice->post_type) ) {
+    if (!("wpi_invoice" === $invoice->post_type)) {
         return false;
     }
 
-    $recipient      = wpinv_email_get_recipient( $email_type, $invoice_id, $invoice );
-    if ( !is_email( $recipient ) ) {
+    $recipient = wpinv_email_get_recipient($email_type, $invoice_id, $invoice);
+    if (!is_email($recipient)) {
         return false;
     }
 
-    do_action( 'wpinv_pre_send_invoice_notification', $invoice, $email_type, true );
+    do_action('wpinv_pre_send_invoice_notification', $invoice, $email_type, true);
 
-    $subject        = wpinv_email_get_subject( $email_type, $invoice_id, $invoice );
-    $email_heading  = wpinv_email_get_heading( $email_type, $invoice_id, $invoice );
-    $headers        = wpinv_email_get_headers( $email_type, $invoice_id, $invoice );
-    $message_body   = wpinv_email_get_content( $email_type, $invoice_id, $invoice );
-    $attachments    = wpinv_email_get_attachments( $email_type, $invoice_id, $invoice );
+    $subject        = wpinv_email_get_subject($email_type, $invoice_id, $invoice);
+    $email_heading  = wpinv_email_get_heading($email_type, $invoice_id, $invoice);
+    $headers        = wpinv_email_get_headers($email_type, $invoice_id, $invoice);
+    $message_body   = wpinv_email_get_content($email_type, $invoice_id, $invoice);
+    $attachments    = wpinv_email_get_attachments($email_type, $invoice_id, $invoice);
     
-    $content        = wpinv_get_template_html( 'emails/wpinv-email-' . $email_type . '.php', array(
+    $content        = wpinv_get_template_html('emails/wpinv-email-' . $email_type . '.php', array(
             'invoice'       => $invoice,
             'email_type'    => $email_type,
             'email_heading' => $email_heading,
             'sent_to_admin' => true,
             'plain_text'    => false,
             'message_body'  => $message_body,
-        ) );
+        ));
 
-    $sent = wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    $sent = wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
 
-    do_action( 'wpinv_post_send_invoice_notification', $invoice, $email_type, true );
+    do_action('wpinv_post_send_invoice_notification', $invoice, $email_type, true);
 
     return $sent;
 }
 
-function wpinv_onhold_invoice_notification( $invoice_id, $new_status = '' ) {
+function wpinv_onhold_invoice_notification($invoice_id, $new_status = '') {
     $email_type = 'onhold_invoice';
-    if ( !wpinv_email_is_enabled( $email_type ) ) {
+    if (!wpinv_email_is_enabled($email_type)) {
         return false;
     }
 
-    $invoice = wpinv_get_invoice( $invoice_id );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($invoice_id);
+    if (empty($invoice)) {
         return false;
     }
 
-    if ( !("wpi_invoice" === $invoice->post_type) ) {
+    if (!("wpi_invoice" === $invoice->post_type)) {
         return false;
     }
 
-    $recipient      = wpinv_email_get_recipient( $email_type, $invoice_id, $invoice );
-    if ( !is_email( $recipient ) ) {
+    $recipient = wpinv_email_get_recipient($email_type, $invoice_id, $invoice);
+    if (!is_email($recipient)) {
         return false;
     }
 
-    do_action( 'wpinv_pre_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_pre_send_invoice_notification', $invoice, $email_type);
 
-    $subject        = wpinv_email_get_subject( $email_type, $invoice_id, $invoice );
-    $email_heading  = wpinv_email_get_heading( $email_type, $invoice_id, $invoice );
-    $headers        = wpinv_email_get_headers( $email_type, $invoice_id, $invoice );
-    $message_body   = wpinv_email_get_content( $email_type, $invoice_id, $invoice );
-    $attachments    = wpinv_email_get_attachments( $email_type, $invoice_id, $invoice );
+    $subject        = wpinv_email_get_subject($email_type, $invoice_id, $invoice);
+    $email_heading  = wpinv_email_get_heading($email_type, $invoice_id, $invoice);
+    $headers        = wpinv_email_get_headers($email_type, $invoice_id, $invoice);
+    $message_body   = wpinv_email_get_content($email_type, $invoice_id, $invoice);
+    $attachments    = wpinv_email_get_attachments($email_type, $invoice_id, $invoice);
     
-    $content        = wpinv_get_template_html( 'emails/wpinv-email-' . $email_type . '.php', array(
+    $content        = wpinv_get_template_html('emails/wpinv-email-' . $email_type . '.php', array(
             'invoice'       => $invoice,
             'email_type'    => $email_type,
             'email_heading' => $email_heading,
             'sent_to_admin' => false,
             'plain_text'    => false,
             'message_body'  => $message_body,
-        ) );
+        ));
     
-    $sent = wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    $sent = wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
     
-    if ( wpinv_mail_admin_bcc_active( $email_type ) ) {
-        $recipient  = wpinv_get_admin_email();
-        $subject    .= ' - ADMIN BCC COPY';
-        wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    if (wpinv_mail_admin_bcc_active($email_type)) {
+        $recipient = wpinv_get_admin_email();
+        $subject .= ' - ADMIN BCC COPY';
+        wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
     }
 
-    do_action( 'wpinv_post_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_post_send_invoice_notification', $invoice, $email_type);
 
     return $sent;
 }
 
-function wpinv_processing_invoice_notification( $invoice_id, $new_status = '' ) {
+function wpinv_processing_invoice_notification($invoice_id, $new_status = '') {
     $email_type = 'processing_invoice';
-    if ( !wpinv_email_is_enabled( $email_type ) ) {
+    if (!wpinv_email_is_enabled($email_type)) {
         return false;
     }
 
-    $invoice = wpinv_get_invoice( $invoice_id );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($invoice_id);
+    if (empty($invoice)) {
         return false;
     }
 
-    if ( !("wpi_invoice" === $invoice->post_type) ) {
+    if (!("wpi_invoice" === $invoice->post_type)) {
         return false;
     }
 
-    $recipient      = wpinv_email_get_recipient( $email_type, $invoice_id, $invoice );
-    if ( !is_email( $recipient ) ) {
+    $recipient = wpinv_email_get_recipient($email_type, $invoice_id, $invoice);
+    if (!is_email($recipient)) {
         return false;
     }
 
-    do_action( 'wpinv_pre_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_pre_send_invoice_notification', $invoice, $email_type);
 
     $search                     = array();
     $search['invoice_number']   = '{invoice_number}';
     $search['invoice_date']     = '{invoice_date}';
     $search['name']             = '{name}';
 
-    $subject        = wpinv_email_get_subject( $email_type, $invoice_id, $invoice );
-    $email_heading  = wpinv_email_get_heading( $email_type, $invoice_id, $invoice );
-    $headers        = wpinv_email_get_headers( $email_type, $invoice_id, $invoice );
-    $message_body   = wpinv_email_get_content( $email_type, $invoice_id, $invoice );
-    $attachments    = wpinv_email_get_attachments( $email_type, $invoice_id, $invoice );
+    $subject        = wpinv_email_get_subject($email_type, $invoice_id, $invoice);
+    $email_heading  = wpinv_email_get_heading($email_type, $invoice_id, $invoice);
+    $headers        = wpinv_email_get_headers($email_type, $invoice_id, $invoice);
+    $message_body   = wpinv_email_get_content($email_type, $invoice_id, $invoice);
+    $attachments    = wpinv_email_get_attachments($email_type, $invoice_id, $invoice);
     
-    $content        = wpinv_get_template_html( 'emails/wpinv-email-' . $email_type . '.php', array(
+    $content        = wpinv_get_template_html('emails/wpinv-email-' . $email_type . '.php', array(
             'invoice'       => $invoice,
             'email_type'    => $email_type,
             'email_heading' => $email_heading,
             'sent_to_admin' => false,
             'plain_text'    => false,
             'message_body'  => $message_body,
-        ) );
+        ));
 
-    $sent = wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    $sent = wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
 
-    if ( wpinv_mail_admin_bcc_active( $email_type ) ) {
-        $recipient  = wpinv_get_admin_email();
-        $subject    .= ' - ADMIN BCC COPY';
-        wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    if (wpinv_mail_admin_bcc_active($email_type)) {
+        $recipient = wpinv_get_admin_email();
+        $subject .= ' - ADMIN BCC COPY';
+        wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
     }
 
-    do_action( 'wpinv_post_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_post_send_invoice_notification', $invoice, $email_type);
 
     return $sent;
 }
 
-function wpinv_completed_invoice_notification( $invoice_id, $new_status = '' ) {
+function wpinv_completed_invoice_notification($invoice_id, $new_status = '') {
     $email_type = 'completed_invoice';
-    if ( !wpinv_email_is_enabled( $email_type ) ) {
+    if (!wpinv_email_is_enabled($email_type)) {
         return false;
     }
 
-    $invoice = wpinv_get_invoice( $invoice_id );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($invoice_id);
+    if (empty($invoice)) {
         return false;
     }
 
-    if ( !("wpi_invoice" === $invoice->post_type) ) {
+    if (!("wpi_invoice" === $invoice->post_type)) {
         return false;
     }
 
-    if($invoice->is_renewal() && wpinv_email_is_enabled( 'completed_invoice_renewal' )){
+    if ($invoice->is_renewal() && wpinv_email_is_enabled('completed_invoice_renewal')) {
         return false;
     }
 
-    $recipient      = wpinv_email_get_recipient( $email_type, $invoice_id, $invoice );
-    if ( !is_email( $recipient ) ) {
+    $recipient = wpinv_email_get_recipient($email_type, $invoice_id, $invoice);
+    if (!is_email($recipient)) {
         return false;
     }
 
-    do_action( 'wpinv_pre_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_pre_send_invoice_notification', $invoice, $email_type);
 
-    $subject        = wpinv_email_get_subject( $email_type, $invoice_id, $invoice );
-    $email_heading  = wpinv_email_get_heading( $email_type, $invoice_id, $invoice );
-    $headers        = wpinv_email_get_headers( $email_type, $invoice_id, $invoice );
-    $message_body   = wpinv_email_get_content( $email_type, $invoice_id, $invoice );
-    $attachments    = wpinv_email_get_attachments( $email_type, $invoice_id, $invoice );
+    $subject        = wpinv_email_get_subject($email_type, $invoice_id, $invoice);
+    $email_heading  = wpinv_email_get_heading($email_type, $invoice_id, $invoice);
+    $headers        = wpinv_email_get_headers($email_type, $invoice_id, $invoice);
+    $message_body   = wpinv_email_get_content($email_type, $invoice_id, $invoice);
+    $attachments    = wpinv_email_get_attachments($email_type, $invoice_id, $invoice);
 
-    $content        = wpinv_get_template_html( 'emails/wpinv-email-' . $email_type . '.php', array(
+    $content        = wpinv_get_template_html('emails/wpinv-email-' . $email_type . '.php', array(
             'invoice'       => $invoice,
             'email_type'    => $email_type,
             'email_heading' => $email_heading,
             'sent_to_admin' => false,
             'plain_text'    => false,
             'message_body'  => $message_body,
-        ) );
+        ));
 
-    $sent = wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    $sent = wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
 
-    if ( wpinv_mail_admin_bcc_active( $email_type ) ) {
-        $recipient  = wpinv_get_admin_email();
-        $subject    .= ' - ADMIN BCC COPY';
-        wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    if (wpinv_mail_admin_bcc_active($email_type)) {
+        $recipient = wpinv_get_admin_email();
+        $subject .= ' - ADMIN BCC COPY';
+        wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
     }
 
-    do_action( 'wpinv_post_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_post_send_invoice_notification', $invoice, $email_type);
 
     return $sent;
 }
 
-function wpinv_fully_refunded_notification( $invoice_id, $new_status = '' ) {
+function wpinv_fully_refunded_notification($invoice_id, $new_status = '') {
     $email_type = 'refunded_invoice';
-    if ( !wpinv_email_is_enabled( $email_type ) ) {
+    if (!wpinv_email_is_enabled($email_type)) {
         return false;
     }
 
-    $invoice = wpinv_get_invoice( $invoice_id );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($invoice_id);
+    if (empty($invoice)) {
         return false;
     }
 
-    if ( !("wpi_invoice" === $invoice->post_type) ) {
+    if (!("wpi_invoice" === $invoice->post_type)) {
         return false;
     }
 
-    $recipient      = wpinv_email_get_recipient( $email_type, $invoice_id, $invoice );
-    if ( !is_email( $recipient ) ) {
+    $recipient = wpinv_email_get_recipient($email_type, $invoice_id, $invoice);
+    if (!is_email($recipient)) {
         return false;
     }
 
-    do_action( 'wpinv_pre_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_pre_send_invoice_notification', $invoice, $email_type);
 
-    $subject        = wpinv_email_get_subject( $email_type, $invoice_id, $invoice );
-    $email_heading  = wpinv_email_get_heading( $email_type, $invoice_id, $invoice );
-    $headers        = wpinv_email_get_headers( $email_type, $invoice_id, $invoice );
-    $message_body   = wpinv_email_get_content( $email_type, $invoice_id, $invoice );
-    $attachments    = wpinv_email_get_attachments( $email_type, $invoice_id, $invoice );
+    $subject        = wpinv_email_get_subject($email_type, $invoice_id, $invoice);
+    $email_heading  = wpinv_email_get_heading($email_type, $invoice_id, $invoice);
+    $headers        = wpinv_email_get_headers($email_type, $invoice_id, $invoice);
+    $message_body   = wpinv_email_get_content($email_type, $invoice_id, $invoice);
+    $attachments    = wpinv_email_get_attachments($email_type, $invoice_id, $invoice);
 
-    $content        = wpinv_get_template_html( 'emails/wpinv-email-' . $email_type . '.php', array(
+    $content        = wpinv_get_template_html('emails/wpinv-email-' . $email_type . '.php', array(
             'invoice'           => $invoice,
             'email_type'        => $email_type,
             'email_heading'     => $email_heading,
@@ -412,50 +412,50 @@ 
             'plain_text'        => false,
             'partial_refund'    => false,
             'message_body'      => $message_body,
-        ) );
+        ));
 
-    $sent = wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    $sent = wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
 
-    if ( wpinv_mail_admin_bcc_active( $email_type ) ) {
-        $recipient  = wpinv_get_admin_email();
-        $subject    .= ' - ADMIN BCC COPY';
-        wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    if (wpinv_mail_admin_bcc_active($email_type)) {
+        $recipient = wpinv_get_admin_email();
+        $subject .= ' - ADMIN BCC COPY';
+        wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
     }
 
-    do_action( 'wpinv_post_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_post_send_invoice_notification', $invoice, $email_type);
 
     return $sent;
 }
 
-function wpinv_partially_refunded_notification( $invoice_id, $new_status = '' ) {
+function wpinv_partially_refunded_notification($invoice_id, $new_status = '') {
     $email_type = 'refunded_invoice';
-    if ( !wpinv_email_is_enabled( $email_type ) ) {
+    if (!wpinv_email_is_enabled($email_type)) {
         return false;
     }
 
-    $invoice = wpinv_get_invoice( $invoice_id );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($invoice_id);
+    if (empty($invoice)) {
         return false;
     }
 
-    if ( !("wpi_invoice" === $invoice->post_type) ) {
+    if (!("wpi_invoice" === $invoice->post_type)) {
         return false;
     }
 
-    $recipient      = wpinv_email_get_recipient( $email_type, $invoice_id, $invoice );
-    if ( !is_email( $recipient ) ) {
+    $recipient = wpinv_email_get_recipient($email_type, $invoice_id, $invoice);
+    if (!is_email($recipient)) {
         return false;
     }
 
-    do_action( 'wpinv_pre_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_pre_send_invoice_notification', $invoice, $email_type);
 
-    $subject        = wpinv_email_get_subject( $email_type, $invoice_id, $invoice );
-    $email_heading  = wpinv_email_get_heading( $email_type, $invoice_id, $invoice );
-    $headers        = wpinv_email_get_headers( $email_type, $invoice_id, $invoice );
-    $message_body   = wpinv_email_get_content( $email_type, $invoice_id, $invoice );
-    $attachments    = wpinv_email_get_attachments( $email_type, $invoice_id, $invoice );
+    $subject        = wpinv_email_get_subject($email_type, $invoice_id, $invoice);
+    $email_heading  = wpinv_email_get_heading($email_type, $invoice_id, $invoice);
+    $headers        = wpinv_email_get_headers($email_type, $invoice_id, $invoice);
+    $message_body   = wpinv_email_get_content($email_type, $invoice_id, $invoice);
+    $attachments    = wpinv_email_get_attachments($email_type, $invoice_id, $invoice);
 
-    $content        = wpinv_get_template_html( 'emails/wpinv-email-' . $email_type . '.php', array(
+    $content        = wpinv_get_template_html('emails/wpinv-email-' . $email_type . '.php', array(
             'invoice'           => $invoice,
             'email_type'        => $email_type,
             'email_heading'     => $email_heading,
@@ -463,95 +463,95 @@ 
             'plain_text'        => false,
             'partial_refund'    => true,
             'message_body'      => $message_body,
-        ) );
+        ));
 
-    $sent = wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    $sent = wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
 
-    if ( wpinv_mail_admin_bcc_active( $email_type ) ) {
-        $recipient  = wpinv_get_admin_email();
-        $subject    .= ' - ADMIN BCC COPY';
-        wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    if (wpinv_mail_admin_bcc_active($email_type)) {
+        $recipient = wpinv_get_admin_email();
+        $subject .= ' - ADMIN BCC COPY';
+        wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
     }
 
-    do_action( 'wpinv_post_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_post_send_invoice_notification', $invoice, $email_type);
 
     return $sent;
 }
 
-function wpinv_new_invoice_note_notification( $invoice_id, $new_status = '' ) {
+function wpinv_new_invoice_note_notification($invoice_id, $new_status = '') {
 }
 
-function wpinv_user_invoice_notification( $invoice_id ) {
+function wpinv_user_invoice_notification($invoice_id) {
     $email_type = 'user_invoice';
-    if ( !wpinv_email_is_enabled( $email_type ) ) {
+    if (!wpinv_email_is_enabled($email_type)) {
         return -1;
     }
 
-    $invoice = wpinv_get_invoice( $invoice_id );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($invoice_id);
+    if (empty($invoice)) {
         return false;
     }
 
-    if ( !("wpi_invoice" === $invoice->post_type) ) {
+    if (!("wpi_invoice" === $invoice->post_type)) {
         return false;
     }
 
-    $recipient      = wpinv_email_get_recipient( $email_type, $invoice_id, $invoice );
-    if ( !is_email( $recipient ) ) {
+    $recipient = wpinv_email_get_recipient($email_type, $invoice_id, $invoice);
+    if (!is_email($recipient)) {
         return false;
     }
 
-    do_action( 'wpinv_pre_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_pre_send_invoice_notification', $invoice, $email_type);
 
-    $subject        = wpinv_email_get_subject( $email_type, $invoice_id, $invoice );
-    $email_heading  = wpinv_email_get_heading( $email_type, $invoice_id, $invoice );
-    $headers        = wpinv_email_get_headers( $email_type, $invoice_id, $invoice );
-    $message_body   = wpinv_email_get_content( $email_type, $invoice_id, $invoice );
-    $attachments    = wpinv_email_get_attachments( $email_type, $invoice_id, $invoice );
+    $subject        = wpinv_email_get_subject($email_type, $invoice_id, $invoice);
+    $email_heading  = wpinv_email_get_heading($email_type, $invoice_id, $invoice);
+    $headers        = wpinv_email_get_headers($email_type, $invoice_id, $invoice);
+    $message_body   = wpinv_email_get_content($email_type, $invoice_id, $invoice);
+    $attachments    = wpinv_email_get_attachments($email_type, $invoice_id, $invoice);
     
-    $content        = wpinv_get_template_html( 'emails/wpinv-email-' . $email_type . '.php', array(
+    $content        = wpinv_get_template_html('emails/wpinv-email-' . $email_type . '.php', array(
             'invoice'       => $invoice,
             'email_type'    => $email_type,
             'email_heading' => $email_heading,
             'sent_to_admin' => false,
             'plain_text'    => false,
             'message_body'  => $message_body,
-        ) );
+        ));
 
-    $sent = wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    $sent = wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
 
-    if ( wpinv_mail_admin_bcc_active( $email_type ) ) {
-        $recipient  = wpinv_get_admin_email();
-        $subject    .= ' - ADMIN BCC COPY';
-        wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    if (wpinv_mail_admin_bcc_active($email_type)) {
+        $recipient = wpinv_get_admin_email();
+        $subject .= ' - ADMIN BCC COPY';
+        wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
     }
 
-    do_action( 'wpinv_post_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_post_send_invoice_notification', $invoice, $email_type);
 
-    if ( $sent ) {
-        $note = __( 'Invoice has been emailed to the user.', 'invoicing' );
+    if ($sent) {
+        $note = __('Invoice has been emailed to the user.', 'invoicing');
     } else {
-        $note = __( 'Fail to send invoice to the user!', 'invoicing' );
+        $note = __('Fail to send invoice to the user!', 'invoicing');
     }
 
-    $invoice->add_note( $note, '', '', true ); // Add system note.
+    $invoice->add_note($note, '', '', true); // Add system note.
 
     return $sent;
 }
 
-function wpinv_user_note_notification( $invoice_id, $args = array() ) {
+function wpinv_user_note_notification($invoice_id, $args = array()) {
     $email_type = 'user_note';
-    if ( !wpinv_email_is_enabled( $email_type ) ) {
+    if (!wpinv_email_is_enabled($email_type)) {
         return false;
     }
 
-    $invoice = wpinv_get_invoice( $invoice_id );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($invoice_id);
+    if (empty($invoice)) {
         return false;
     }
 
-    $recipient      = wpinv_email_get_recipient( $email_type, $invoice_id, $invoice );
-    if ( !is_email( $recipient ) ) {
+    $recipient = wpinv_email_get_recipient($email_type, $invoice_id, $invoice);
+    if (!is_email($recipient)) {
         return false;
     }
 
@@ -559,19 +559,19 @@ 
         'user_note' => ''
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
-    do_action( 'wpinv_pre_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_pre_send_invoice_notification', $invoice, $email_type);
 
-    $subject        = wpinv_email_get_subject( $email_type, $invoice_id, $invoice );
-    $email_heading  = wpinv_email_get_heading( $email_type, $invoice_id, $invoice );
-    $headers        = wpinv_email_get_headers( $email_type, $invoice_id, $invoice );
-    $message_body   = wpinv_email_get_content( $email_type, $invoice_id, $invoice );
-    $attachments    = wpinv_email_get_attachments( $email_type, $invoice_id, $invoice );
+    $subject        = wpinv_email_get_subject($email_type, $invoice_id, $invoice);
+    $email_heading  = wpinv_email_get_heading($email_type, $invoice_id, $invoice);
+    $headers        = wpinv_email_get_headers($email_type, $invoice_id, $invoice);
+    $message_body   = wpinv_email_get_content($email_type, $invoice_id, $invoice);
+    $attachments    = wpinv_email_get_attachments($email_type, $invoice_id, $invoice);
 
-    $message_body   = str_replace( '{customer_note}', $args['user_note'], $message_body );
+    $message_body   = str_replace('{customer_note}', $args['user_note'], $message_body);
 
-    $content        = wpinv_get_template_html( 'emails/wpinv-email-' . $email_type . '.php', array(
+    $content        = wpinv_get_template_html('emails/wpinv-email-' . $email_type . '.php', array(
             'invoice'       => $invoice,
             'email_type'    => $email_type,
             'email_heading' => $email_heading,
@@ -579,36 +579,36 @@ 
             'plain_text'    => false,
             'message_body'  => $message_body,
             'customer_note' => $args['user_note']
-        ) );
+        ));
 
-    $content        = wpinv_email_format_text( $content, $invoice );
+    $content = wpinv_email_format_text($content, $invoice);
 
-    $sent = wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    $sent = wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
 
-    do_action( 'wpinv_post_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_post_send_invoice_notification', $invoice, $email_type);
 
     return $sent;
 }
 
 function wpinv_mail_get_from_address() {
-    $from_address = apply_filters( 'wpinv_mail_from_address', wpinv_get_option( 'email_from' ) );
-    return sanitize_email( $from_address );
+    $from_address = apply_filters('wpinv_mail_from_address', wpinv_get_option('email_from'));
+    return sanitize_email($from_address);
 }
 
 function wpinv_mail_get_from_name() {
-    $from_name = apply_filters( 'wpinv_mail_from_name', wpinv_get_option( 'email_from_name' ) );
-    return wp_specialchars_decode( esc_html( $from_name ), ENT_QUOTES );
+    $from_name = apply_filters('wpinv_mail_from_name', wpinv_get_option('email_from_name'));
+    return wp_specialchars_decode(esc_html($from_name), ENT_QUOTES);
 }
 
-function wpinv_mail_admin_bcc_active( $mail_type = '' ) {
-    $active = apply_filters( 'wpinv_mail_admin_bcc_active', wpinv_get_option( 'email_' . $mail_type . '_admin_bcc' ) );
-    return ( $active ? true : false );
+function wpinv_mail_admin_bcc_active($mail_type = '') {
+    $active = apply_filters('wpinv_mail_admin_bcc_active', wpinv_get_option('email_' . $mail_type . '_admin_bcc'));
+    return ($active ? true : false);
 }
     
-function wpinv_mail_get_content_type(  $content_type = 'text/html', $email_type = 'html' ) {
-    $email_type = apply_filters( 'wpinv_mail_content_type', $email_type );
+function wpinv_mail_get_content_type($content_type = 'text/html', $email_type = 'html') {
+    $email_type = apply_filters('wpinv_mail_content_type', $email_type);
 
-    switch ( $email_type ) {
+    switch ($email_type) {
         case 'html' :
             $content_type = 'text/html';
             break;
@@ -623,35 +623,35 @@ 
     return $content_type;
 }
     
-function wpinv_mail_send( $to, $subject, $message, $headers, $attachments ) {
-    add_filter( 'wp_mail_from', 'wpinv_mail_get_from_address' );
-    add_filter( 'wp_mail_from_name', 'wpinv_mail_get_from_name' );
-    add_filter( 'wp_mail_content_type', 'wpinv_mail_get_content_type' );
+function wpinv_mail_send($to, $subject, $message, $headers, $attachments) {
+    add_filter('wp_mail_from', 'wpinv_mail_get_from_address');
+    add_filter('wp_mail_from_name', 'wpinv_mail_get_from_name');
+    add_filter('wp_mail_content_type', 'wpinv_mail_get_content_type');
 
-    $message = wpinv_email_style_body( $message );
-    $message = apply_filters( 'wpinv_mail_content', $message );
+    $message = wpinv_email_style_body($message);
+    $message = apply_filters('wpinv_mail_content', $message);
 
-    $sent  = wp_mail( $to, $subject, $message, $headers, $attachments );
+    $sent = wp_mail($to, $subject, $message, $headers, $attachments);
 
-    if ( !$sent ) {
-        $log_message = wp_sprintf( __( "\nTime: %s\nTo: %s\nSubject: %s\n", 'invoicing' ), date_i18n( 'F j Y H:i:s', current_time( 'timestamp' ) ), ( is_array( $to ) ? implode( ', ', $to ) : $to ), $subject );
-        wpinv_error_log( $log_message, __( "Email from Invoicing plugin failed to send", 'invoicing' ), __FILE__, __LINE__ );
+    if (!$sent) {
+        $log_message = wp_sprintf(__("\nTime: %s\nTo: %s\nSubject: %s\n", 'invoicing'), date_i18n('F j Y H:i:s', current_time('timestamp')), (is_array($to) ? implode(', ', $to) : $to), $subject);
+        wpinv_error_log($log_message, __("Email from Invoicing plugin failed to send", 'invoicing'), __FILE__, __LINE__);
     }
 
-    remove_filter( 'wp_mail_from', 'wpinv_mail_get_from_address' );
-    remove_filter( 'wp_mail_from_name', 'wpinv_mail_get_from_name' );
-    remove_filter( 'wp_mail_content_type', 'wpinv_mail_get_content_type' );
+    remove_filter('wp_mail_from', 'wpinv_mail_get_from_address');
+    remove_filter('wp_mail_from_name', 'wpinv_mail_get_from_name');
+    remove_filter('wp_mail_content_type', 'wpinv_mail_get_content_type');
 
     return $sent;
 }
     
 function wpinv_get_emails() {
     $overdue_days_options       = array();
-    $overdue_days_options[0]    = __( 'On the Due Date', 'invoicing' );
-    $overdue_days_options[1]    = __( '1 day after Due Date', 'invoicing' );
+    $overdue_days_options[0]    = __('On the Due Date', 'invoicing');
+    $overdue_days_options[1]    = __('1 day after Due Date', 'invoicing');
 
-    for ( $i = 2; $i <= 10; $i++ ) {
-        $overdue_days_options[$i]   = wp_sprintf( __( '%d days after Due Date', 'invoicing' ), $i );
+    for ($i = 2; $i <= 10; $i++) {
+        $overdue_days_options[$i] = wp_sprintf(__('%d days after Due Date', 'invoicing'), $i);
     }
 
     // Default, built-in gateways
@@ -659,39 +659,39 @@ 
             'new_invoice' => array(
             'email_new_invoice_header' => array(
                 'id'   => 'email_new_invoice_header',
-                'name' => '<h3>' . __( 'New Invoice', 'invoicing' ) . '</h3>',
-                'desc' => __( 'New invoice emails are sent to admin when a new invoice is received.', 'invoicing' ),
+                'name' => '<h3>' . __('New Invoice', 'invoicing') . '</h3>',
+                'desc' => __('New invoice emails are sent to admin when a new invoice is received.', 'invoicing'),
                 'type' => 'header',
             ),
             'email_new_invoice_active' => array(
                 'id'   => 'email_new_invoice_active',
-                'name' => __( 'Enable/Disable', 'invoicing' ),
-                'desc' => __( 'Enable this email notification', 'invoicing' ),
+                'name' => __('Enable/Disable', 'invoicing'),
+                'desc' => __('Enable this email notification', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 1
             ),
             'email_new_invoice_subject' => array(
                 'id'   => 'email_new_invoice_subject',
-                'name' => __( 'Subject', 'invoicing' ),
-                'desc' => __( 'Enter the subject line for the invoice receipt email.', 'invoicing' ),
+                'name' => __('Subject', 'invoicing'),
+                'desc' => __('Enter the subject line for the invoice receipt email.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( '[{site_title}] New payment invoice ({invoice_number}) - {invoice_date}', 'invoicing' ),
+                'std'  => __('[{site_title}] New payment invoice ({invoice_number}) - {invoice_date}', 'invoicing'),
                 'size' => 'large'
             ),
             'email_new_invoice_heading' => array(
                 'id'   => 'email_new_invoice_heading',
-                'name' => __( 'Email Heading', 'invoicing' ),
-                'desc' => __( 'Enter the main heading contained within the email notification for the invoice receipt email.', 'invoicing' ),
+                'name' => __('Email Heading', 'invoicing'),
+                'desc' => __('Enter the main heading contained within the email notification for the invoice receipt email.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( 'New payment invoice', 'invoicing' ),
+                'std'  => __('New payment invoice', 'invoicing'),
                 'size' => 'large'
             ),
             'email_new_invoice_body' => array(
                 'id'   => 'email_new_invoice_body',
-                'name' => __( 'Email Content', 'invoicing' ),
-                'desc' => __( 'The content of the email (wildcards and HTML are allowed).', 'invoicing' ),
+                'name' => __('Email Content', 'invoicing'),
+                'desc' => __('The content of the email (wildcards and HTML are allowed).', 'invoicing'),
                 'type' => 'rich_editor',
-                'std'  => __( '<p>Hi Admin,</p><p>You have received payment invoice from {name}.</p>', 'invoicing' ),
+                'std'  => __('<p>Hi Admin,</p><p>You have received payment invoice from {name}.</p>', 'invoicing'),
                 'class' => 'large',
                 'size' => '10'
             ),
@@ -699,39 +699,39 @@ 
         'cancelled_invoice' => array(
             'email_cancelled_invoice_header' => array(
                 'id'   => 'email_cancelled_invoice_header',
-                'name' => '<h3>' . __( 'Cancelled Invoice', 'invoicing' ) . '</h3>',
-                'desc' => __( 'Cancelled invoice emails are sent to admin when invoices have been marked cancelled.', 'invoicing' ),
+                'name' => '<h3>' . __('Cancelled Invoice', 'invoicing') . '</h3>',
+                'desc' => __('Cancelled invoice emails are sent to admin when invoices have been marked cancelled.', 'invoicing'),
                 'type' => 'header',
             ),
             'email_cancelled_invoice_active' => array(
                 'id'   => 'email_cancelled_invoice_active',
-                'name' => __( 'Enable/Disable', 'invoicing' ),
-                'desc' => __( 'Enable this email notification', 'invoicing' ),
+                'name' => __('Enable/Disable', 'invoicing'),
+                'desc' => __('Enable this email notification', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 1
             ),
             'email_cancelled_invoice_subject' => array(
                 'id'   => 'email_cancelled_invoice_subject',
-                'name' => __( 'Subject', 'invoicing' ),
-                'desc' => __( 'Enter the subject line for the invoice receipt email.', 'invoicing' ),
+                'name' => __('Subject', 'invoicing'),
+                'desc' => __('Enter the subject line for the invoice receipt email.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( '[{site_title}] Cancelled invoice ({invoice_number})', 'invoicing' ),
+                'std'  => __('[{site_title}] Cancelled invoice ({invoice_number})', 'invoicing'),
                 'size' => 'large'
             ),
             'email_cancelled_invoice_heading' => array(
                 'id'   => 'email_cancelled_invoice_heading',
-                'name' => __( 'Email Heading', 'invoicing' ),
-                'desc' => __( 'Enter the main heading contained within the email notification.', 'invoicing' ),
+                'name' => __('Email Heading', 'invoicing'),
+                'desc' => __('Enter the main heading contained within the email notification.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( 'Cancelled invoice', 'invoicing' ),
+                'std'  => __('Cancelled invoice', 'invoicing'),
                 'size' => 'large'
             ),
             'email_cancelled_invoice_body' => array(
                 'id'   => 'email_cancelled_invoice_body',
-                'name' => __( 'Email Content', 'invoicing' ),
-                'desc' => __( 'The content of the email (wildcards and HTML are allowed).', 'invoicing' ),
+                'name' => __('Email Content', 'invoicing'),
+                'desc' => __('The content of the email (wildcards and HTML are allowed).', 'invoicing'),
                 'type' => 'rich_editor',
-                'std'  => __( '<p>Hi Admin,</p><p>The invoice #{invoice_number} from {site_title} has been cancelled.</p>', 'invoicing' ),
+                'std'  => __('<p>Hi Admin,</p><p>The invoice #{invoice_number} from {site_title} has been cancelled.</p>', 'invoicing'),
                 'class' => 'large',
                 'size' => '10'
             ),
@@ -739,39 +739,39 @@ 
         'failed_invoice' => array(
             'email_failed_invoice_header' => array(
                 'id'   => 'email_failed_invoice_header',
-                'name' => '<h3>' . __( 'Failed Invoice', 'invoicing' ) . '</h3>',
-                'desc' => __( 'Failed invoice emails are sent to admin when invoices have been marked failed (if they were previously processing or on-hold).', 'invoicing' ),
+                'name' => '<h3>' . __('Failed Invoice', 'invoicing') . '</h3>',
+                'desc' => __('Failed invoice emails are sent to admin when invoices have been marked failed (if they were previously processing or on-hold).', 'invoicing'),
                 'type' => 'header',
             ),
             'email_failed_invoice_active' => array(
                 'id'   => 'email_failed_invoice_active',
-                'name' => __( 'Enable/Disable', 'invoicing' ),
-                'desc' => __( 'Enable this email notification', 'invoicing' ),
+                'name' => __('Enable/Disable', 'invoicing'),
+                'desc' => __('Enable this email notification', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 1
             ),
             'email_failed_invoice_subject' => array(
                 'id'   => 'email_failed_invoice_subject',
-                'name' => __( 'Subject', 'invoicing' ),
-                'desc' => __( 'Enter the subject line for the invoice receipt email.', 'invoicing' ),
+                'name' => __('Subject', 'invoicing'),
+                'desc' => __('Enter the subject line for the invoice receipt email.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( '[{site_title}] Failed invoice ({invoice_number})', 'invoicing' ),
+                'std'  => __('[{site_title}] Failed invoice ({invoice_number})', 'invoicing'),
                 'size' => 'large'
             ),
             'email_failed_invoice_heading' => array(
                 'id'   => 'email_failed_invoice_heading',
-                'name' => __( 'Email Heading', 'invoicing' ),
-                'desc' => __( 'Enter the main heading contained within the email notification.', 'invoicing' ),
+                'name' => __('Email Heading', 'invoicing'),
+                'desc' => __('Enter the main heading contained within the email notification.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( 'Failed invoice', 'invoicing' ),
+                'std'  => __('Failed invoice', 'invoicing'),
                 'size' => 'large'
             ),
             'email_failed_invoice_body' => array(
                 'id'   => 'email_failed_invoice_body',
-                'name' => __( 'Email Content', 'invoicing' ),
-                'desc' => __( 'The content of the email (wildcards and HTML are allowed).', 'invoicing' ),
+                'name' => __('Email Content', 'invoicing'),
+                'desc' => __('The content of the email (wildcards and HTML are allowed).', 'invoicing'),
                 'type' => 'rich_editor',
-                'std'  => __( '<p>Hi Admin,</p><p>Payment for invoice #{invoice_number} from {site_title} has been failed.</p>', 'invoicing' ),
+                'std'  => __('<p>Hi Admin,</p><p>Payment for invoice #{invoice_number} from {site_title} has been failed.</p>', 'invoicing'),
                 'class' => 'large',
                 'size' => '10'
             ),
@@ -779,46 +779,46 @@ 
         'onhold_invoice' => array(
             'email_onhold_invoice_header' => array(
                 'id'   => 'email_onhold_invoice_header',
-                'name' => '<h3>' . __( 'On Hold Invoice', 'invoicing' ) . '</h3>',
-                'desc' => __( 'This is an invoice notification sent to users containing invoice details after an invoice is placed on-hold.', 'invoicing' ),
+                'name' => '<h3>' . __('On Hold Invoice', 'invoicing') . '</h3>',
+                'desc' => __('This is an invoice notification sent to users containing invoice details after an invoice is placed on-hold.', 'invoicing'),
                 'type' => 'header',
             ),
             'email_onhold_invoice_active' => array(
                 'id'   => 'email_onhold_invoice_active',
-                'name' => __( 'Enable/Disable', 'invoicing' ),
-                'desc' => __( 'Enable this email notification', 'invoicing' ),
+                'name' => __('Enable/Disable', 'invoicing'),
+                'desc' => __('Enable this email notification', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 1
             ),
             'email_onhold_invoice_subject' => array(
                 'id'   => 'email_onhold_invoice_subject',
-                'name' => __( 'Subject', 'invoicing' ),
-                'desc' => __( 'Enter the subject line for the invoice receipt email.', 'invoicing' ),
+                'name' => __('Subject', 'invoicing'),
+                'desc' => __('Enter the subject line for the invoice receipt email.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( '[{site_title}] Your invoice receipt from {invoice_date}', 'invoicing' ),
+                'std'  => __('[{site_title}] Your invoice receipt from {invoice_date}', 'invoicing'),
                 'size' => 'large'
             ),
             'email_onhold_invoice_heading' => array(
                 'id'   => 'email_onhold_invoice_heading',
-                'name' => __( 'Email Heading', 'invoicing' ),
-                'desc' => __( 'Enter the main heading contained within the email notification.', 'invoicing' ),
+                'name' => __('Email Heading', 'invoicing'),
+                'desc' => __('Enter the main heading contained within the email notification.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( 'Thank you for your invoice', 'invoicing' ),
+                'std'  => __('Thank you for your invoice', 'invoicing'),
                 'size' => 'large'
             ),
             'email_onhold_invoice_admin_bcc' => array(
                 'id'   => 'email_onhold_invoice_admin_bcc',
-                'name' => __( 'Enable Admin BCC', 'invoicing' ),
-                'desc' => __( 'Check if you want to send this notification email to site Admin.', 'invoicing' ),
+                'name' => __('Enable Admin BCC', 'invoicing'),
+                'desc' => __('Check if you want to send this notification email to site Admin.', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 1
             ),
             'email_onhold_invoice_body' => array(
                 'id'   => 'email_onhold_invoice_body',
-                'name' => __( 'Email Content', 'invoicing' ),
-                'desc' => __( 'The content of the email (wildcards and HTML are allowed).', 'invoicing' ),
+                'name' => __('Email Content', 'invoicing'),
+                'desc' => __('The content of the email (wildcards and HTML are allowed).', 'invoicing'),
                 'type' => 'rich_editor',
-                'std'  => __( '<p>Hi {name},</p><p>Your invoice is on-hold until we confirm your payment has been received.</p>', 'invoicing' ),
+                'std'  => __('<p>Hi {name},</p><p>Your invoice is on-hold until we confirm your payment has been received.</p>', 'invoicing'),
                 'class' => 'large',
                 'size' => '10'
             ),
@@ -826,46 +826,46 @@ 
         'processing_invoice' => array(
             'email_processing_invoice_header' => array(
                 'id'   => 'email_processing_invoice_header',
-                'name' => '<h3>' . __( 'Processing Invoice', 'invoicing' ) . '</h3>',
-                'desc' => __( 'This is an invoice notification sent to users containing invoice details after payment.', 'invoicing' ),
+                'name' => '<h3>' . __('Processing Invoice', 'invoicing') . '</h3>',
+                'desc' => __('This is an invoice notification sent to users containing invoice details after payment.', 'invoicing'),
                 'type' => 'header',
             ),
             'email_processing_invoice_active' => array(
                 'id'   => 'email_processing_invoice_active',
-                'name' => __( 'Enable/Disable', 'invoicing' ),
-                'desc' => __( 'Enable this email notification', 'invoicing' ),
+                'name' => __('Enable/Disable', 'invoicing'),
+                'desc' => __('Enable this email notification', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 1
             ),
             'email_processing_invoice_subject' => array(
                 'id'   => 'email_processing_invoice_subject',
-                'name' => __( 'Subject', 'invoicing' ),
-                'desc' => __( 'Enter the subject line for the invoice receipt email.', 'invoicing' ),
+                'name' => __('Subject', 'invoicing'),
+                'desc' => __('Enter the subject line for the invoice receipt email.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( '[{site_title}] Your invoice receipt from {invoice_date}', 'invoicing' ),
+                'std'  => __('[{site_title}] Your invoice receipt from {invoice_date}', 'invoicing'),
                 'size' => 'large'
             ),
             'email_processing_invoice_heading' => array(
                 'id'   => 'email_processing_invoice_heading',
-                'name' => __( 'Email Heading', 'invoicing' ),
-                'desc' => __( 'Enter the main heading contained within the email notification for the invoice receipt email.', 'invoicing' ),
+                'name' => __('Email Heading', 'invoicing'),
+                'desc' => __('Enter the main heading contained within the email notification for the invoice receipt email.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( 'Thank you for your invoice', 'invoicing' ),
+                'std'  => __('Thank you for your invoice', 'invoicing'),
                 'size' => 'large'
             ),
             'email_processing_invoice_admin_bcc' => array(
                 'id'   => 'email_processing_invoice_admin_bcc',
-                'name' => __( 'Enable Admin BCC', 'invoicing' ),
-                'desc' => __( 'Check if you want to send this notification email to site Admin.', 'invoicing' ),
+                'name' => __('Enable Admin BCC', 'invoicing'),
+                'desc' => __('Check if you want to send this notification email to site Admin.', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 1
             ),
             'email_processing_invoice_body' => array(
                 'id'   => 'email_processing_invoice_body',
-                'name' => __( 'Email Content', 'invoicing' ),
-                'desc' => __( 'The content of the email (wildcards and HTML are allowed).', 'invoicing' ),
+                'name' => __('Email Content', 'invoicing'),
+                'desc' => __('The content of the email (wildcards and HTML are allowed).', 'invoicing'),
                 'type' => 'rich_editor',
-                'std'  => __( '<p>Hi {name},</p><p>Your invoice has been received at {site_title} and is now being processed.</p>', 'invoicing' ),
+                'std'  => __('<p>Hi {name},</p><p>Your invoice has been received at {site_title} and is now being processed.</p>', 'invoicing'),
                 'class' => 'large',
                 'size' => '10'
             ),
@@ -873,52 +873,52 @@ 
         'completed_invoice' => array(
             'email_completed_invoice_header' => array(
                 'id'   => 'email_completed_invoice_header',
-                'name' => '<h3>' . __( 'Paid Invoice', 'invoicing' ) . '</h3>',
-                'desc' => __( 'Invoice paid emails are sent to users when their invoices are marked paid and usually indicate that their payment has been done.', 'invoicing' ),
+                'name' => '<h3>' . __('Paid Invoice', 'invoicing') . '</h3>',
+                'desc' => __('Invoice paid emails are sent to users when their invoices are marked paid and usually indicate that their payment has been done.', 'invoicing'),
                 'type' => 'header',
             ),
             'email_completed_invoice_active' => array(
                 'id'   => 'email_completed_invoice_active',
-                'name' => __( 'Enable/Disable', 'invoicing' ),
-                'desc' => __( 'Enable this email notification', 'invoicing' ),
+                'name' => __('Enable/Disable', 'invoicing'),
+                'desc' => __('Enable this email notification', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 1
             ),
             'email_completed_invoice_renewal_active' => array(
                 'id'   => 'email_completed_invoice_renewal_active',
-                'name' => __( 'Enable renewal notification', 'invoicing' ),
-                'desc' => __( 'Enable renewal invoice email notification. This notification will be sent on renewal.', 'invoicing' ),
+                'name' => __('Enable renewal notification', 'invoicing'),
+                'desc' => __('Enable renewal invoice email notification. This notification will be sent on renewal.', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 0
             ),
             'email_completed_invoice_subject' => array(
                 'id'   => 'email_completed_invoice_subject',
-                'name' => __( 'Subject', 'invoicing' ),
-                'desc' => __( 'Enter the subject line for the invoice receipt email.', 'invoicing' ),
+                'name' => __('Subject', 'invoicing'),
+                'desc' => __('Enter the subject line for the invoice receipt email.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( '[{site_title}] Your invoice from {invoice_date} has been paid', 'invoicing' ),
+                'std'  => __('[{site_title}] Your invoice from {invoice_date} has been paid', 'invoicing'),
                 'size' => 'large'
             ),
             'email_completed_invoice_heading' => array(
                 'id'   => 'email_completed_invoice_heading',
-                'name' => __( 'Email Heading', 'invoicing' ),
-                'desc' => __( 'Enter the main heading contained within the email notification for the invoice receipt email.', 'invoicing' ),
+                'name' => __('Email Heading', 'invoicing'),
+                'desc' => __('Enter the main heading contained within the email notification for the invoice receipt email.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( 'Your invoice has been paid', 'invoicing' ),
+                'std'  => __('Your invoice has been paid', 'invoicing'),
                 'size' => 'large'
             ),
             'email_completed_invoice_admin_bcc' => array(
                 'id'   => 'email_completed_invoice_admin_bcc',
-                'name' => __( 'Enable Admin BCC', 'invoicing' ),
-                'desc' => __( 'Check if you want to send this notification email to site Admin.', 'invoicing' ),
+                'name' => __('Enable Admin BCC', 'invoicing'),
+                'desc' => __('Check if you want to send this notification email to site Admin.', 'invoicing'),
                 'type' => 'checkbox',
             ),
             'email_completed_invoice_body' => array(
                 'id'   => 'email_completed_invoice_body',
-                'name' => __( 'Email Content', 'invoicing' ),
-                'desc' => __( 'The content of the email (wildcards and HTML are allowed).', 'invoicing' ),
+                'name' => __('Email Content', 'invoicing'),
+                'desc' => __('The content of the email (wildcards and HTML are allowed).', 'invoicing'),
                 'type' => 'rich_editor',
-                'std'  => __( '<p>Hi {name},</p><p>Your recent invoice on {site_title} has been paid.</p>', 'invoicing' ),
+                'std'  => __('<p>Hi {name},</p><p>Your recent invoice on {site_title} has been paid.</p>', 'invoicing'),
                 'class' => 'large',
                 'size' => '10'
             ),
@@ -927,46 +927,46 @@ 
         'refunded_invoice' => array(
             'email_refunded_invoice_header' => array(
                 'id'   => 'email_refunded_invoice_header',
-                'name' => '<h3>' . __( 'Refunded Invoice', 'invoicing' ) . '</h3>',
-                'desc' => __( 'Invoice refunded emails are sent to users when their invoices are marked refunded.', 'invoicing' ),
+                'name' => '<h3>' . __('Refunded Invoice', 'invoicing') . '</h3>',
+                'desc' => __('Invoice refunded emails are sent to users when their invoices are marked refunded.', 'invoicing'),
                 'type' => 'header',
             ),
             'email_refunded_invoice_active' => array(
                 'id'   => 'email_refunded_invoice_active',
-                'name' => __( 'Enable/Disable', 'invoicing' ),
-                'desc' => __( 'Enable this email notification', 'invoicing' ),
+                'name' => __('Enable/Disable', 'invoicing'),
+                'desc' => __('Enable this email notification', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 1
             ),
             'email_refunded_invoice_subject' => array(
                 'id'   => 'email_refunded_invoice_subject',
-                'name' => __( 'Subject', 'invoicing' ),
-                'desc' => __( 'Enter the subject line for the invoice receipt email.', 'invoicing' ),
+                'name' => __('Subject', 'invoicing'),
+                'desc' => __('Enter the subject line for the invoice receipt email.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( '[{site_title}] Your invoice from {invoice_date} has been refunded', 'invoicing' ),
+                'std'  => __('[{site_title}] Your invoice from {invoice_date} has been refunded', 'invoicing'),
                 'size' => 'large'
             ),
             'email_refunded_invoice_heading' => array(
                 'id'   => 'email_refunded_invoice_heading',
-                'name' => __( 'Email Heading', 'invoicing' ),
-                'desc' => __( 'Enter the main heading contained within the email notification.', 'invoicing' ),
+                'name' => __('Email Heading', 'invoicing'),
+                'desc' => __('Enter the main heading contained within the email notification.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( 'Your invoice has been refunded', 'invoicing' ),
+                'std'  => __('Your invoice has been refunded', 'invoicing'),
                 'size' => 'large'
             ),
             'email_refunded_invoice_admin_bcc' => array(
                 'id'   => 'email_refunded_invoice_admin_bcc',
-                'name' => __( 'Enable Admin BCC', 'invoicing' ),
-                'desc' => __( 'Check if you want to send this notification email to site Admin.', 'invoicing' ),
+                'name' => __('Enable Admin BCC', 'invoicing'),
+                'desc' => __('Check if you want to send this notification email to site Admin.', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 1
             ),
             'email_refunded_invoice_body' => array(
                 'id'   => 'email_refunded_invoice_body',
-                'name' => __( 'Email Content', 'invoicing' ),
-                'desc' => __( 'The content of the email (wildcards and HTML are allowed).', 'invoicing' ),
+                'name' => __('Email Content', 'invoicing'),
+                'desc' => __('The content of the email (wildcards and HTML are allowed).', 'invoicing'),
                 'type' => 'rich_editor',
-                'std'  => __( '<p>Hi {name},</p><p>Your invoice on {site_title} has been refunded.</p>', 'invoicing' ),
+                'std'  => __('<p>Hi {name},</p><p>Your invoice on {site_title} has been refunded.</p>', 'invoicing'),
                 'class' => 'large',
                 'size' => '10'
             ),
@@ -974,46 +974,46 @@ 
         'user_invoice' => array(
             'email_user_invoice_header' => array(
                 'id'   => 'email_user_invoice_header',
-                'name' => '<h3>' . __( 'Customer Invoice', 'invoicing' ) . '</h3>',
-                'desc' => __( 'Customer invoice emails can be sent to customers containing their invoice information and payment links.', 'invoicing' ),
+                'name' => '<h3>' . __('Customer Invoice', 'invoicing') . '</h3>',
+                'desc' => __('Customer invoice emails can be sent to customers containing their invoice information and payment links.', 'invoicing'),
                 'type' => 'header',
             ),
             'email_user_invoice_active' => array(
                 'id'   => 'email_user_invoice_active',
-                'name' => __( 'Enable/Disable', 'invoicing' ),
-                'desc' => __( 'Enable this email notification', 'invoicing' ),
+                'name' => __('Enable/Disable', 'invoicing'),
+                'desc' => __('Enable this email notification', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 1
             ),
             'email_user_invoice_subject' => array(
                 'id'   => 'email_user_invoice_subject',
-                'name' => __( 'Subject', 'invoicing' ),
-                'desc' => __( 'Enter the subject line for the invoice receipt email.', 'invoicing' ),
+                'name' => __('Subject', 'invoicing'),
+                'desc' => __('Enter the subject line for the invoice receipt email.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( '[{site_title}] Your invoice from {invoice_date}', 'invoicing' ),
+                'std'  => __('[{site_title}] Your invoice from {invoice_date}', 'invoicing'),
                 'size' => 'large'
             ),
             'email_user_invoice_heading' => array(
                 'id'   => 'email_user_invoice_heading',
-                'name' => __( 'Email Heading', 'invoicing' ),
-                'desc' => __( 'Enter the main heading contained within the email notification for the invoice receipt email.', 'invoicing' ),
+                'name' => __('Email Heading', 'invoicing'),
+                'desc' => __('Enter the main heading contained within the email notification for the invoice receipt email.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( 'Your invoice {invoice_number} details', 'invoicing' ),
+                'std'  => __('Your invoice {invoice_number} details', 'invoicing'),
                 'size' => 'large'
             ),
             'email_user_invoice_admin_bcc' => array(
                 'id'   => 'email_user_invoice_admin_bcc',
-                'name' => __( 'Enable Admin BCC', 'invoicing' ),
-                'desc' => __( 'Check if you want to send this notification email to site Admin.', 'invoicing' ),
+                'name' => __('Enable Admin BCC', 'invoicing'),
+                'desc' => __('Check if you want to send this notification email to site Admin.', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 1
             ),
             'email_user_invoice_body' => array(
                 'id'   => 'email_user_invoice_body',
-                'name' => __( 'Email Content', 'invoicing' ),
-                'desc' => __( 'The content of the email (wildcards and HTML are allowed).', 'invoicing' ),
+                'name' => __('Email Content', 'invoicing'),
+                'desc' => __('The content of the email (wildcards and HTML are allowed).', 'invoicing'),
                 'type' => 'rich_editor',
-                'std'  => __( '<p>Hi {name},</p><p>An invoice has been created for you on {site_title}. To view / pay for this invoice please use the following link: <a class="btn btn-success" href="{invoice_link}">View / Pay</a></p>', 'invoicing' ),
+                'std'  => __('<p>Hi {name},</p><p>An invoice has been created for you on {site_title}. To view / pay for this invoice please use the following link: <a class="btn btn-success" href="{invoice_link}">View / Pay</a></p>', 'invoicing'),
                 'class' => 'large',
                 'size' => '10'
             ),
@@ -1021,39 +1021,39 @@ 
         'user_note' => array(
             'email_user_note_header' => array(
                 'id'   => 'email_user_note_header',
-                'name' => '<h3>' . __( 'Customer Note', 'invoicing' ) . '</h3>',
-                'desc' => __( 'Customer note emails are sent when you add a note to an invoice/quote.', 'invoicing' ),
+                'name' => '<h3>' . __('Customer Note', 'invoicing') . '</h3>',
+                'desc' => __('Customer note emails are sent when you add a note to an invoice/quote.', 'invoicing'),
                 'type' => 'header',
             ),
             'email_user_note_active' => array(
                 'id'   => 'email_user_note_active',
-                'name' => __( 'Enable/Disable', 'invoicing' ),
-                'desc' => __( 'Enable this email notification', 'invoicing' ),
+                'name' => __('Enable/Disable', 'invoicing'),
+                'desc' => __('Enable this email notification', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 1
             ),
             'email_user_note_subject' => array(
                 'id'   => 'email_user_note_subject',
-                'name' => __( 'Subject', 'invoicing' ),
-                'desc' => __( 'Enter the subject line for the invoice receipt email.', 'invoicing' ),
+                'name' => __('Subject', 'invoicing'),
+                'desc' => __('Enter the subject line for the invoice receipt email.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( '[{site_title}] Note added to your {invoice_label} #{invoice_number} from {invoice_date}', 'invoicing' ),
+                'std'  => __('[{site_title}] Note added to your {invoice_label} #{invoice_number} from {invoice_date}', 'invoicing'),
                 'size' => 'large'
             ),
             'email_user_note_heading' => array(
                 'id'   => 'email_user_note_heading',
-                'name' => __( 'Email Heading', 'invoicing' ),
-                'desc' => __( 'Enter the main heading contained within the email notification.', 'invoicing' ),
+                'name' => __('Email Heading', 'invoicing'),
+                'desc' => __('Enter the main heading contained within the email notification.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( 'A note has been added to your {invoice_label}', 'invoicing' ),
+                'std'  => __('A note has been added to your {invoice_label}', 'invoicing'),
                 'size' => 'large'
             ),
             'email_user_note_body' => array(
                 'id'   => 'email_user_note_body',
-                'name' => __( 'Email Content', 'invoicing' ),
-                'desc' => __( 'The content of the email (wildcards and HTML are allowed).', 'invoicing' ),
+                'name' => __('Email Content', 'invoicing'),
+                'desc' => __('The content of the email (wildcards and HTML are allowed).', 'invoicing'),
                 'type' => 'rich_editor',
-                'std'  => __( '<p>Hi {name},</p><p>Following note has been added to your {invoice_label}:</p><blockquote class="wpinv-note">{customer_note}</blockquote>', 'invoicing' ),
+                'std'  => __('<p>Hi {name},</p><p>Following note has been added to your {invoice_label}:</p><blockquote class="wpinv-note">{customer_note}</blockquote>', 'invoicing'),
                 'class' => 'large',
                 'size' => '10'
             ),
@@ -1062,165 +1062,165 @@ 
         'overdue' => array(
             'email_overdue_header' => array(
                 'id'   => 'email_overdue_header',
-                'name' => '<h3>' . __( 'Payment Reminder', 'invoicing' ) . '</h3>',
-                'desc' => __( 'Payment reminder emails are sent to user automatically.', 'invoicing' ),
+                'name' => '<h3>' . __('Payment Reminder', 'invoicing') . '</h3>',
+                'desc' => __('Payment reminder emails are sent to user automatically.', 'invoicing'),
                 'type' => 'header',
             ),
             'email_overdue_active' => array(
                 'id'   => 'email_overdue_active',
-                'name' => __( 'Enable/Disable', 'invoicing' ),
-                'desc' => __( 'Enable this email notification', 'invoicing' ),
+                'name' => __('Enable/Disable', 'invoicing'),
+                'desc' => __('Enable this email notification', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 1
             ),
             'email_due_reminder_days' => array(
                 'id'        => 'email_due_reminder_days',
-                'name'      => __( 'When to Send', 'invoicing' ),
-                'desc'      => __( 'Check when you would like payment reminders sent out.', 'invoicing' ),
+                'name'      => __('When to Send', 'invoicing'),
+                'desc'      => __('Check when you would like payment reminders sent out.', 'invoicing'),
                 'default'   => '',
                 'type'      => 'multicheck',
                 'options'   => $overdue_days_options,
             ),
             'email_overdue_subject' => array(
                 'id'   => 'email_overdue_subject',
-                'name' => __( 'Subject', 'invoicing' ),
-                'desc' => __( 'Enter the subject line for the invoice receipt email.', 'invoicing' ),
+                'name' => __('Subject', 'invoicing'),
+                'desc' => __('Enter the subject line for the invoice receipt email.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( '[{site_title}] Payment Reminder', 'invoicing' ),
+                'std'  => __('[{site_title}] Payment Reminder', 'invoicing'),
                 'size' => 'large'
             ),
             'email_overdue_heading' => array(
                 'id'   => 'email_overdue_heading',
-                'name' => __( 'Email Heading', 'invoicing' ),
-                'desc' => __( 'Enter the main heading contained within the email notification.', 'invoicing' ),
+                'name' => __('Email Heading', 'invoicing'),
+                'desc' => __('Enter the main heading contained within the email notification.', 'invoicing'),
                 'type' => 'text',
-                'std'  => __( 'Payment reminder for your invoice', 'invoicing' ),
+                'std'  => __('Payment reminder for your invoice', 'invoicing'),
                 'size' => 'large'
             ),
             'email_overdue_admin_bcc' => array(
                 'id'   => 'email_overdue_admin_bcc',
-                'name' => __( 'Enable Admin BCC', 'invoicing' ),
-                'desc' => __( 'Check if you want to send this notification email to site Admin.', 'invoicing' ),
+                'name' => __('Enable Admin BCC', 'invoicing'),
+                'desc' => __('Check if you want to send this notification email to site Admin.', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => 1
             ),
             'email_overdue_body' => array(
                 'id'   => 'email_overdue_body',
-                'name' => __( 'Email Content', 'invoicing' ),
-                'desc' => __( 'The content of the email.', 'invoicing' ),
+                'name' => __('Email Content', 'invoicing'),
+                'desc' => __('The content of the email.', 'invoicing'),
                 'type' => 'rich_editor',
-                'std'  => __( '<p>Hi {full_name},</p><p>This is just a friendly reminder that your invoice <a href="{invoice_link}">#{invoice_number}</a> {is_was} due on {invoice_due_date}.</p><p>The total of this invoice is {invoice_total}</p><p>To view / pay now for this invoice please use the following link: <a class="btn btn-success" href="{invoice_link}">View / Pay</a></p>', 'invoicing' ),
+                'std'  => __('<p>Hi {full_name},</p><p>This is just a friendly reminder that your invoice <a href="{invoice_link}">#{invoice_number}</a> {is_was} due on {invoice_due_date}.</p><p>The total of this invoice is {invoice_total}</p><p>To view / pay now for this invoice please use the following link: <a class="btn btn-success" href="{invoice_link}">View / Pay</a></p>', 'invoicing'),
                 'class' => 'large',
                 'size'  => 10,
             ),
         ),
     );
 
-    return apply_filters( 'wpinv_get_emails', $emails );
+    return apply_filters('wpinv_get_emails', $emails);
 }
 
-function wpinv_settings_emails( $settings = array() ) {
+function wpinv_settings_emails($settings = array()) {
     $emails = wpinv_get_emails();
 
-    if ( !empty( $emails ) ) {
-        foreach ( $emails as $key => $email ) {
+    if (!empty($emails)) {
+        foreach ($emails as $key => $email) {
             $settings[$key] = $email;
         }
     }
 
-    return apply_filters( 'wpinv_settings_get_emails', $settings );
+    return apply_filters('wpinv_settings_get_emails', $settings);
 }
-add_filter( 'wpinv_settings_emails', 'wpinv_settings_emails', 10, 1 );
+add_filter('wpinv_settings_emails', 'wpinv_settings_emails', 10, 1);
 
-function wpinv_settings_sections_emails( $settings ) {
+function wpinv_settings_sections_emails($settings) {
     $emails = wpinv_get_emails();
 
     if (!empty($emails)) {
-        foreach  ($emails as $key => $email) {
-            $settings[$key] = !empty( $email['email_' . $key . '_header']['name'] ) ? strip_tags( $email['email_' . $key . '_header']['name'] ) : $key;
+        foreach ($emails as $key => $email) {
+            $settings[$key] = !empty($email['email_' . $key . '_header']['name']) ? strip_tags($email['email_' . $key . '_header']['name']) : $key;
         }
     }
 
     return $settings;    
 }
-add_filter( 'wpinv_settings_sections_emails', 'wpinv_settings_sections_emails', 10, 1 );
+add_filter('wpinv_settings_sections_emails', 'wpinv_settings_sections_emails', 10, 1);
 
-function wpinv_email_is_enabled( $email_type ) {
+function wpinv_email_is_enabled($email_type) {
     $emails = wpinv_get_emails();
-    $enabled = isset( $emails[$email_type] ) && wpinv_get_option( 'email_'. $email_type . '_active', 0 ) ? true : false;
+    $enabled = isset($emails[$email_type]) && wpinv_get_option('email_' . $email_type . '_active', 0) ? true : false;
 
-    return apply_filters( 'wpinv_email_is_enabled', $enabled, $email_type );
+    return apply_filters('wpinv_email_is_enabled', $enabled, $email_type);
 }
 
-function wpinv_email_get_recipient( $email_type = '', $invoice_id = 0, $invoice = array() ) {
-    switch ( $email_type ) {
+function wpinv_email_get_recipient($email_type = '', $invoice_id = 0, $invoice = array()) {
+    switch ($email_type) {
         case 'new_invoice':
         case 'cancelled_invoice':
         case 'failed_invoice':
             $recipient  = wpinv_get_admin_email();
         break;
         default:
-            $invoice    = !empty( $invoice ) && is_object( $invoice ) ? $invoice : ( $invoice_id > 0 ? wpinv_get_invoice( $invoice_id ) : NULL );
-            $recipient  = !empty( $invoice ) ? $invoice->get_email() : '';
+            $invoice    = !empty($invoice) && is_object($invoice) ? $invoice : ($invoice_id > 0 ? wpinv_get_invoice($invoice_id) : NULL);
+            $recipient  = !empty($invoice) ? $invoice->get_email() : '';
         break;
     }
 
-    return apply_filters( 'wpinv_email_recipient', $recipient, $email_type, $invoice_id, $invoice );
+    return apply_filters('wpinv_email_recipient', $recipient, $email_type, $invoice_id, $invoice);
 }
 
-function wpinv_email_get_subject( $email_type = '', $invoice_id = 0, $invoice = array() ) {
-    $subject    = wpinv_get_option( 'email_' . $email_type . '_subject' );
-    $subject    = __( $subject, 'invoicing' );
+function wpinv_email_get_subject($email_type = '', $invoice_id = 0, $invoice = array()) {
+    $subject    = wpinv_get_option('email_' . $email_type . '_subject');
+    $subject    = __($subject, 'invoicing');
 
-    $subject    = wpinv_email_format_text( $subject, $invoice );
+    $subject    = wpinv_email_format_text($subject, $invoice);
 
-    return apply_filters( 'wpinv_email_subject', $subject, $email_type, $invoice_id, $invoice );
+    return apply_filters('wpinv_email_subject', $subject, $email_type, $invoice_id, $invoice);
 }
 
-function wpinv_email_get_heading( $email_type = '', $invoice_id = 0, $invoice = array() ) {
-    $email_heading = wpinv_get_option( 'email_' . $email_type . '_heading' );
-    $email_heading = __( $email_heading, 'invoicing' );
+function wpinv_email_get_heading($email_type = '', $invoice_id = 0, $invoice = array()) {
+    $email_heading = wpinv_get_option('email_' . $email_type . '_heading');
+    $email_heading = __($email_heading, 'invoicing');
 
-    $email_heading = wpinv_email_format_text( $email_heading, $invoice );
+    $email_heading = wpinv_email_format_text($email_heading, $invoice);
 
-    return apply_filters( 'wpinv_email_heading', $email_heading, $email_type, $invoice_id, $invoice );
+    return apply_filters('wpinv_email_heading', $email_heading, $email_type, $invoice_id, $invoice);
 }
 
-function wpinv_email_get_content( $email_type = '', $invoice_id = 0, $invoice = array() ) {
-    $content    = wpinv_get_option( 'email_' . $email_type . '_body' );
-    $content    = __( $content, 'invoicing' );
+function wpinv_email_get_content($email_type = '', $invoice_id = 0, $invoice = array()) {
+    $content    = wpinv_get_option('email_' . $email_type . '_body');
+    $content    = __($content, 'invoicing');
 
-    $content    = wpinv_email_format_text( $content, $invoice );
+    $content    = wpinv_email_format_text($content, $invoice);
 
-    return apply_filters( 'wpinv_email_content', $content, $email_type, $invoice_id, $invoice );
+    return apply_filters('wpinv_email_content', $content, $email_type, $invoice_id, $invoice);
 }
 
-function wpinv_email_get_headers( $email_type = '', $invoice_id = 0, $invoice = array() ) {
+function wpinv_email_get_headers($email_type = '', $invoice_id = 0, $invoice = array()) {
     $from_name = wpinv_mail_get_from_address();
     $from_email = wpinv_mail_get_from_address();
     
-    $invoice    = !empty( $invoice ) && is_object( $invoice ) ? $invoice : ( $invoice_id > 0 ? wpinv_get_invoice( $invoice_id ) : NULL );
+    $invoice    = !empty($invoice) && is_object($invoice) ? $invoice : ($invoice_id > 0 ? wpinv_get_invoice($invoice_id) : NULL);
     
-    $headers    = "From: " . stripslashes_deep( html_entity_decode( $from_name, ENT_COMPAT, 'UTF-8' ) ) . " <$from_email>\r\n";
-    $headers    .= "Reply-To: ". $from_email . "\r\n";
+    $headers    = "From: " . stripslashes_deep(html_entity_decode($from_name, ENT_COMPAT, 'UTF-8')) . " <$from_email>\r\n";
+    $headers    .= "Reply-To: " . $from_email . "\r\n";
     $headers    .= "Content-Type: " . wpinv_mail_get_content_type() . "\r\n";
     
-    return apply_filters( 'wpinv_email_headers', $headers, $email_type, $invoice_id, $invoice );
+    return apply_filters('wpinv_email_headers', $headers, $email_type, $invoice_id, $invoice);
 }
 
-function wpinv_email_get_attachments( $email_type = '', $invoice_id = 0, $invoice = array() ) {
+function wpinv_email_get_attachments($email_type = '', $invoice_id = 0, $invoice = array()) {
     $attachments = array();
     
-    return apply_filters( 'wpinv_email_attachments', $attachments, $email_type, $invoice_id, $invoice );
+    return apply_filters('wpinv_email_attachments', $attachments, $email_type, $invoice_id, $invoice);
 }
 
-function wpinv_email_format_text( $content, $invoice ) {
+function wpinv_email_format_text($content, $invoice) {
     $replace_array = array(
         '{site_title}'      => wpinv_get_blogname(),
-        '{date}'            => date_i18n( get_option( 'date_format' ), (int) current_time( 'timestamp' ) ),
+        '{date}'            => date_i18n(get_option('date_format'), (int) current_time('timestamp')),
     );
     
-    if ( !empty( $invoice->ID ) ) {
+    if (!empty($invoice->ID)) {
         $replace_array = array_merge(
             $replace_array, 
             array(
@@ -1230,65 +1230,65 @@ 
                 '{last_name}'       => $invoice->get_last_name(),
                 '{email}'           => $invoice->get_email(),
                 '{invoice_number}'  => $invoice->get_number(),
-                '{invoice_total}'   => $invoice->get_total( true ),
-                '{invoice_link}'    => $invoice->get_view_url( true ),
-                '{invoice_pay_link}'=> $invoice->get_view_url( true ),
-                '{invoice_date}'    => $invoice->get_invoice_date( true ),
-                '{invoice_due_date}'=> $invoice->get_due_date( true ),
-                '{invoice_quote}'   => $invoice->get_invoice_quote_type( $invoice->ID ),
-                '{invoice_label}'   => $invoice->get_invoice_quote_type( $invoice->ID ),
-                '{is_was}'          => strtotime( $invoice->get_due_date() ) < strtotime( date_i18n( 'Y-m-d' ) ) ? __( 'was', 'invoicing' ) : __( 'is', 'invoicing' ),
+                '{invoice_total}'   => $invoice->get_total(true),
+                '{invoice_link}'    => $invoice->get_view_url(true),
+                '{invoice_pay_link}'=> $invoice->get_view_url(true),
+                '{invoice_date}'    => $invoice->get_invoice_date(true),
+                '{invoice_due_date}'=> $invoice->get_due_date(true),
+                '{invoice_quote}'   => $invoice->get_invoice_quote_type($invoice->ID),
+                '{invoice_label}'   => $invoice->get_invoice_quote_type($invoice->ID),
+                '{is_was}'          => strtotime($invoice->get_due_date()) < strtotime(date_i18n('Y-m-d')) ? __('was', 'invoicing') : __('is', 'invoicing'),
             )
         );
     }
 
-    $replace_array = apply_filters( 'wpinv_email_format_text', $replace_array, $content, $invoice );
+    $replace_array = apply_filters('wpinv_email_format_text', $replace_array, $content, $invoice);
 
-    foreach ( $replace_array as $key => $value ) {
-        $content = str_replace( $key, $value, $content );
+    foreach ($replace_array as $key => $value) {
+        $content = str_replace($key, $value, $content);
     }
 
-    return apply_filters( 'wpinv_email_content_replace', $content );
+    return apply_filters('wpinv_email_content_replace', $content);
 }
 
-function wpinv_email_style_body( $content ) {
+function wpinv_email_style_body($content) {
     // make sure we only inline CSS for html emails
-    if ( in_array( wpinv_mail_get_content_type(), array( 'text/html', 'multipart/alternative' ) ) && class_exists( 'DOMDocument' ) ) {
+    if (in_array(wpinv_mail_get_content_type(), array('text/html', 'multipart/alternative')) && class_exists('DOMDocument')) {
         ob_start();
-        wpinv_get_template( 'emails/wpinv-email-styles.php' );
-        $css = apply_filters( 'wpinv_email_styles', ob_get_clean() );
+        wpinv_get_template('emails/wpinv-email-styles.php');
+        $css = apply_filters('wpinv_email_styles', ob_get_clean());
 
         // apply CSS styles inline for picky email clients
         try {
-            $emogrifier = new Emogrifier( $content, $css );
+            $emogrifier = new Emogrifier($content, $css);
             $content    = $emogrifier->emogrify();
-        } catch ( Exception $e ) {
-            wpinv_error_log( $e->getMessage(), 'emogrifier' );
+        } catch (Exception $e) {
+            wpinv_error_log($e->getMessage(), 'emogrifier');
         }
     }
     return $content;
 }
 
-function wpinv_email_header( $email_heading = '', $invoice = array(), $email_type = '', $sent_to_admin = false ) {
-    wpinv_get_template( 'emails/wpinv-email-header.php', array( 'email_heading' => $email_heading, 'invoice' => $invoice, 'email_type' => $email_type, 'sent_to_admin' => $sent_to_admin ) );
+function wpinv_email_header($email_heading = '', $invoice = array(), $email_type = '', $sent_to_admin = false) {
+    wpinv_get_template('emails/wpinv-email-header.php', array('email_heading' => $email_heading, 'invoice' => $invoice, 'email_type' => $email_type, 'sent_to_admin' => $sent_to_admin));
 }
 
 /**
  * Get the email footer.
  */
-function wpinv_email_footer( $invoice = array(), $email_type = '', $sent_to_admin = false ) {
-    wpinv_get_template( 'emails/wpinv-email-footer.php', array( 'invoice' => $invoice, 'email_type' => $email_type, 'sent_to_admin' => $sent_to_admin ) );
+function wpinv_email_footer($invoice = array(), $email_type = '', $sent_to_admin = false) {
+    wpinv_get_template('emails/wpinv-email-footer.php', array('invoice' => $invoice, 'email_type' => $email_type, 'sent_to_admin' => $sent_to_admin));
 }
 
-function wpinv_email_wrap_message( $message ) {
+function wpinv_email_wrap_message($message) {
     // Buffer
     ob_start();
 
-    do_action( 'wpinv_email_header' );
+    do_action('wpinv_email_header');
 
-    echo wpautop( wptexturize( $message ) );
+    echo wpautop(wptexturize($message));
 
-    do_action( 'wpinv_email_footer' );
+    do_action('wpinv_email_footer');
 
     // Get contents
     $message = ob_get_clean();
@@ -1296,92 +1296,92 @@ 
     return $message;
 }
 
-function wpinv_email_invoice_details( $invoice, $email_type = '', $sent_to_admin = false ) {
-    wpinv_get_template( 'emails/wpinv-email-invoice-details.php', array( 'invoice' => $invoice, 'email_type' => $email_type, 'sent_to_admin' => $sent_to_admin ) );
+function wpinv_email_invoice_details($invoice, $email_type = '', $sent_to_admin = false) {
+    wpinv_get_template('emails/wpinv-email-invoice-details.php', array('invoice' => $invoice, 'email_type' => $email_type, 'sent_to_admin' => $sent_to_admin));
 }
 
-function wpinv_email_invoice_items( $invoice, $email_type = '', $sent_to_admin = false ) {
-    wpinv_get_template( 'emails/wpinv-email-invoice-items.php', array( 'invoice' => $invoice, 'email_type' => $email_type, 'sent_to_admin' => $sent_to_admin ) );
+function wpinv_email_invoice_items($invoice, $email_type = '', $sent_to_admin = false) {
+    wpinv_get_template('emails/wpinv-email-invoice-items.php', array('invoice' => $invoice, 'email_type' => $email_type, 'sent_to_admin' => $sent_to_admin));
 }
 
-function wpinv_email_billing_details( $invoice, $email_type = '', $sent_to_admin = false ) {
-    wpinv_get_template( 'emails/wpinv-email-billing-details.php', array( 'invoice' => $invoice, 'email_type' => $email_type, 'sent_to_admin' => $sent_to_admin ) );
+function wpinv_email_billing_details($invoice, $email_type = '', $sent_to_admin = false) {
+    wpinv_get_template('emails/wpinv-email-billing-details.php', array('invoice' => $invoice, 'email_type' => $email_type, 'sent_to_admin' => $sent_to_admin));
 }
 
-function wpinv_send_customer_invoice( $data = array() ) {
-    $invoice_id = !empty( $data['invoice_id'] ) ? absint( $data['invoice_id'] ) : NULL;
+function wpinv_send_customer_invoice($data = array()) {
+    $invoice_id = !empty($data['invoice_id']) ? absint($data['invoice_id']) : NULL;
 
-    if ( empty( $invoice_id ) ) {
+    if (empty($invoice_id)) {
         return;
     }
 
-    if ( !wpinv_current_user_can_manage_invoicing() ) {
-        wp_die( __( 'You do not have permission to send invoice notification', 'invoicing' ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
+    if (!wpinv_current_user_can_manage_invoicing()) {
+        wp_die(__('You do not have permission to send invoice notification', 'invoicing'), __('Error', 'invoicing'), array('response' => 403));
     }
     
-    $sent = wpinv_user_invoice_notification( $invoice_id );
+    $sent = wpinv_user_invoice_notification($invoice_id);
 
     if ( -1 === $sent ) {
         $status = 'email_disabled';
-    } elseif ( $sent ) {
+    } elseif ($sent) {
         $status = 'email_sent';
     } else {
         $status = 'email_fail';
     }
 
-    $redirect = add_query_arg( array( 'wpinv-message' => $status, 'wpi_action' => false, 'invoice_id' => false ) );
-    wp_redirect( $redirect );
+    $redirect = add_query_arg(array('wpinv-message' => $status, 'wpi_action' => false, 'invoice_id' => false));
+    wp_redirect($redirect);
     exit;
 }
-add_action( 'wpinv_send_invoice', 'wpinv_send_customer_invoice' );
+add_action('wpinv_send_invoice', 'wpinv_send_customer_invoice');
 
-function wpinv_send_overdue_reminder( $data = array() ) {
-    $invoice_id = !empty( $data['invoice_id'] ) ? absint( $data['invoice_id'] ) : NULL;
+function wpinv_send_overdue_reminder($data = array()) {
+    $invoice_id = !empty($data['invoice_id']) ? absint($data['invoice_id']) : NULL;
 
-    if ( empty( $invoice_id ) ) {
+    if (empty($invoice_id)) {
         return;
     }
 
-    if ( !wpinv_current_user_can_manage_invoicing() ) {
-        wp_die( __( 'You do not have permission to send reminder notification', 'invoicing' ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
+    if (!wpinv_current_user_can_manage_invoicing()) {
+        wp_die(__('You do not have permission to send reminder notification', 'invoicing'), __('Error', 'invoicing'), array('response' => 403));
     }
 
-    $sent = wpinv_send_payment_reminder_notification( $invoice_id );
+    $sent = wpinv_send_payment_reminder_notification($invoice_id);
     
     $status = $sent ? 'email_sent' : 'email_fail';
 
-    $redirect = add_query_arg( array( 'wpinv-message' => $status, 'wpi_action' => false, 'invoice_id' => false ) );
-    wp_redirect( $redirect );
+    $redirect = add_query_arg(array('wpinv-message' => $status, 'wpi_action' => false, 'invoice_id' => false));
+    wp_redirect($redirect);
     exit;
 }
-add_action( 'wpinv_send_reminder', 'wpinv_send_overdue_reminder' );
+add_action('wpinv_send_reminder', 'wpinv_send_overdue_reminder');
 
-function wpinv_send_customer_note_email( $data ) {
-    $invoice_id = !empty( $data['invoice_id'] ) ? absint( $data['invoice_id'] ) : NULL;
+function wpinv_send_customer_note_email($data) {
+    $invoice_id = !empty($data['invoice_id']) ? absint($data['invoice_id']) : NULL;
 
-    if ( empty( $invoice_id ) ) {
+    if (empty($invoice_id)) {
         return;
     }
 
-    $sent = wpinv_user_note_notification( $invoice_id, $data );
+    $sent = wpinv_user_note_notification($invoice_id, $data);
 }
-add_action( 'wpinv_new_customer_note', 'wpinv_send_customer_note_email', 10, 1 );
+add_action('wpinv_new_customer_note', 'wpinv_send_customer_note_email', 10, 1);
 
-function wpinv_add_notes_to_invoice_email( $invoice, $email_type, $sent_to_admin ) {
-    if ( !empty( $invoice ) && $email_type == 'user_invoice' && $invoice_notes = wpinv_get_invoice_notes( $invoice->ID, true ) ) {
-        $date_format = get_option( 'date_format' );
-        $time_format = get_option( 'time_format' );
+function wpinv_add_notes_to_invoice_email($invoice, $email_type, $sent_to_admin) {
+    if (!empty($invoice) && $email_type == 'user_invoice' && $invoice_notes = wpinv_get_invoice_notes($invoice->ID, true)) {
+        $date_format = get_option('date_format');
+        $time_format = get_option('time_format');
         ?>
         <div id="wpinv-email-notes">
-            <h3 class="wpinv-notes-t"><?php echo apply_filters( 'wpinv_email_invoice_notes_title', __( 'Invoice Notes', 'invoicing' ) ); ?></h3>
+            <h3 class="wpinv-notes-t"><?php echo apply_filters('wpinv_email_invoice_notes_title', __('Invoice Notes', 'invoicing')); ?></h3>
             <ol class="wpinv-notes-lists">
         <?php
-        foreach ( $invoice_notes as $note ) {
-            $note_time = strtotime( $note->comment_date );
+        foreach ($invoice_notes as $note) {
+            $note_time = strtotime($note->comment_date);
             ?>
             <li class="comment wpinv-note">
-            <p class="wpinv-note-date meta"><?php printf( __( '%2$s at %3$s', 'invoicing' ), $note->comment_author, date_i18n( $date_format, $note_time ), date_i18n( $time_format, $note_time ), $note_time ); ?></p>
-            <div class="wpinv-note-desc description"><?php echo wpautop( wptexturize( $note->comment_content ) ); ?></div>
+            <p class="wpinv-note-date meta"><?php printf(__('%2$s at %3$s', 'invoicing'), $note->comment_author, date_i18n($date_format, $note_time), date_i18n($time_format, $note_time), $note_time); ?></p>
+            <div class="wpinv-note-desc description"><?php echo wpautop(wptexturize($note->comment_content)); ?></div>
             </li>
             <?php
         }
@@ -1390,21 +1390,21 @@ 
         <?php
     }
 }
-add_action( 'wpinv_email_billing_details', 'wpinv_add_notes_to_invoice_email', 10, 3 );
+add_action('wpinv_email_billing_details', 'wpinv_add_notes_to_invoice_email', 10, 3);
 
 function wpinv_email_payment_reminders() {
     global $wpi_auto_reminder;
-    if ( !wpinv_get_option( 'email_overdue_active' ) ) {
+    if (!wpinv_get_option('email_overdue_active')) {
         return;
     }
 
-    if ( $reminder_days = wpinv_get_option( 'email_due_reminder_days' ) ) {
-        $reminder_days  = is_array( $reminder_days ) ? array_values( $reminder_days ) : '';
+    if ($reminder_days = wpinv_get_option('email_due_reminder_days')) {
+        $reminder_days  = is_array($reminder_days) ? array_values($reminder_days) : '';
 
-        if ( empty( $reminder_days ) ) {
+        if (empty($reminder_days)) {
             return;
         }
-        $reminder_days  = array_unique( array_map( 'absint', $reminder_days ) );
+        $reminder_days = array_unique(array_map('absint', $reminder_days));
 
         $args = array(
             'post_type'     => 'wpi_invoice',
@@ -1414,7 +1414,7 @@ 
             'meta_query'    => array(
                 array(
                     'key'       =>  '_wpinv_due_date',
-                    'value'     =>  array( '', 'none' ),
+                    'value'     =>  array('', 'none'),
                     'compare'   =>  'NOT IN',
                 )
             ),
@@ -1423,149 +1423,149 @@ 
             'order'         => 'ASC',
         );
 
-        $invoices = get_posts( $args );
+        $invoices = get_posts($args);
 
-        if ( empty( $invoices ) ) {
+        if (empty($invoices)) {
             return;
         }
 
-        $date_to_send   = array();
+        $date_to_send = array();
 
-        foreach ( $invoices as $id ) {
-            $due_date = get_post_meta( $id, '_wpinv_due_date', true );
+        foreach ($invoices as $id) {
+            $due_date = get_post_meta($id, '_wpinv_due_date', true);
 
-            foreach ( $reminder_days as $key => $days ) {
-                if ( $days !== '' ) {
-                    $date_to_send[$id][] = date_i18n( 'Y-m-d', strtotime( $due_date ) + ( $days * DAY_IN_SECONDS ) );
+            foreach ($reminder_days as $key => $days) {
+                if ($days !== '') {
+                    $date_to_send[$id][] = date_i18n('Y-m-d', strtotime($due_date) + ($days * DAY_IN_SECONDS));
                 }
             }
         }
 
-        $today              = date_i18n( 'Y-m-d' );
+        $today              = date_i18n('Y-m-d');
         $wpi_auto_reminder  = true;
 
-        foreach ( $date_to_send as $id => $values ) {
-            if ( in_array( $today, $values ) ) {
-                $sent = get_post_meta( $id, '_wpinv_reminder_sent', true );
+        foreach ($date_to_send as $id => $values) {
+            if (in_array($today, $values)) {
+                $sent = get_post_meta($id, '_wpinv_reminder_sent', true);
 
-                if ( isset( $sent ) && !empty( $sent ) ) {
-                    if ( !in_array( $today, $sent ) ) {
-                        do_action( 'wpinv_send_payment_reminder_notification', $id );
+                if (isset($sent) && !empty($sent)) {
+                    if (!in_array($today, $sent)) {
+                        do_action('wpinv_send_payment_reminder_notification', $id);
                     }
                 } else {
-                    do_action( 'wpinv_send_payment_reminder_notification', $id );
+                    do_action('wpinv_send_payment_reminder_notification', $id);
                 }
             }
         }
 
-        $wpi_auto_reminder  = false;
+        $wpi_auto_reminder = false;
     }
 }
 
-function wpinv_send_payment_reminder_notification( $invoice_id ) {
+function wpinv_send_payment_reminder_notification($invoice_id) {
     $email_type = 'overdue';
-    if ( !wpinv_email_is_enabled( $email_type ) ) {
+    if (!wpinv_email_is_enabled($email_type)) {
         return false;
     }
 
-    $invoice    = wpinv_get_invoice( $invoice_id );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($invoice_id);
+    if (empty($invoice)) {
         return false;
     }
 
-    if ( !$invoice->needs_payment() ) {
+    if (!$invoice->needs_payment()) {
         return false;
     }
 
-    $recipient  = wpinv_email_get_recipient( $email_type, $invoice_id, $invoice );
-    if ( !is_email( $recipient ) ) {
+    $recipient = wpinv_email_get_recipient($email_type, $invoice_id, $invoice);
+    if (!is_email($recipient)) {
         return false;
     }
 
-    do_action( 'wpinv_pre_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_pre_send_invoice_notification', $invoice, $email_type);
 
-    $subject        = wpinv_email_get_subject( $email_type, $invoice_id, $invoice );
-    $email_heading  = wpinv_email_get_heading( $email_type, $invoice_id, $invoice );
-    $headers        = wpinv_email_get_headers( $email_type, $invoice_id, $invoice );
-    $message_body   = wpinv_email_get_content( $email_type, $invoice_id, $invoice );
-    $attachments    = wpinv_email_get_attachments( $email_type, $invoice_id, $invoice );
+    $subject        = wpinv_email_get_subject($email_type, $invoice_id, $invoice);
+    $email_heading  = wpinv_email_get_heading($email_type, $invoice_id, $invoice);
+    $headers        = wpinv_email_get_headers($email_type, $invoice_id, $invoice);
+    $message_body   = wpinv_email_get_content($email_type, $invoice_id, $invoice);
+    $attachments    = wpinv_email_get_attachments($email_type, $invoice_id, $invoice);
 
-    $content        = wpinv_get_template_html( 'emails/wpinv-email-' . $email_type . '.php', array(
+    $content        = wpinv_get_template_html('emails/wpinv-email-' . $email_type . '.php', array(
             'invoice'       => $invoice,
             'email_type'    => $email_type,
             'email_heading' => $email_heading,
             'sent_to_admin' => false,
             'plain_text'    => false,
             'message_body'  => $message_body
-        ) );
+        ));
 
-    $content        = wpinv_email_format_text( $content, $invoice );
+    $content = wpinv_email_format_text($content, $invoice);
 
-    $sent = wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
-    if ( $sent ) {
-        do_action( 'wpinv_payment_reminder_sent', $invoice_id, $invoice );
+    $sent = wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
+    if ($sent) {
+        do_action('wpinv_payment_reminder_sent', $invoice_id, $invoice);
     }
 
-    if ( wpinv_mail_admin_bcc_active( $email_type ) ) {
-        $recipient  = wpinv_get_admin_email();
-        $subject    .= ' - ADMIN BCC COPY';
-        wpinv_mail_send( $recipient, $subject, $content, $headers, $attachments );
+    if (wpinv_mail_admin_bcc_active($email_type)) {
+        $recipient = wpinv_get_admin_email();
+        $subject .= ' - ADMIN BCC COPY';
+        wpinv_mail_send($recipient, $subject, $content, $headers, $attachments);
     }
 
-    do_action( 'wpinv_post_send_invoice_notification', $invoice, $email_type );
+    do_action('wpinv_post_send_invoice_notification', $invoice, $email_type);
 
     return $sent;
 }
-add_action( 'wpinv_send_payment_reminder_notification', 'wpinv_send_payment_reminder_notification', 10, 1 );
+add_action('wpinv_send_payment_reminder_notification', 'wpinv_send_payment_reminder_notification', 10, 1);
 
-function wpinv_payment_reminder_sent( $invoice_id, $invoice ) {
+function wpinv_payment_reminder_sent($invoice_id, $invoice) {
     global $wpi_auto_reminder;
 
-    $sent = get_post_meta( $invoice_id, '_wpinv_reminder_sent', true );
+    $sent = get_post_meta($invoice_id, '_wpinv_reminder_sent', true);
 
-    if ( empty( $sent ) ) {
+    if (empty($sent)) {
         $sent = array();
     }
-    $sent[] = date_i18n( 'Y-m-d' );
+    $sent[] = date_i18n('Y-m-d');
 
-    update_post_meta( $invoice_id, '_wpinv_reminder_sent', $sent );
+    update_post_meta($invoice_id, '_wpinv_reminder_sent', $sent);
 
-    if ( $wpi_auto_reminder ) { // Auto reminder note.
-        $note = __( 'Automated reminder sent to the user.', 'invoicing' );
-        $invoice->add_note( $note, false, false, true );
+    if ($wpi_auto_reminder) { // Auto reminder note.
+        $note = __('Automated reminder sent to the user.', 'invoicing');
+        $invoice->add_note($note, false, false, true);
     } else { // Menual reminder note.
-        $note = __( 'Manual reminder sent to the user.', 'invoicing' );
-        $invoice->add_note( $note );
+        $note = __('Manual reminder sent to the user.', 'invoicing');
+        $invoice->add_note($note);
     }
 }
-add_action( 'wpinv_payment_reminder_sent', 'wpinv_payment_reminder_sent', 10, 2 );
+add_action('wpinv_payment_reminder_sent', 'wpinv_payment_reminder_sent', 10, 2);
 
-function wpinv_invoice_notification_set_locale( $invoice, $email_type, $site = false ) {
-    if ( empty( $invoice ) ) {
+function wpinv_invoice_notification_set_locale($invoice, $email_type, $site = false) {
+    if (empty($invoice)) {
         return;
     }
 
-    if ( is_int( $invoice ) ) {
-        $invoice = wpinv_get_invoice( $invoice );
+    if (is_int($invoice)) {
+        $invoice = wpinv_get_invoice($invoice);
     }
 
-    if ( ! empty( $invoice ) && is_object( $invoice ) ) {
-        if ( ! $site && function_exists( 'get_user_locale' ) ) {
-            $locale = get_user_locale( $invoice->get_user_id() );
+    if (!empty($invoice) && is_object($invoice)) {
+        if (!$site && function_exists('get_user_locale')) {
+            $locale = get_user_locale($invoice->get_user_id());
         } else {
             $locale = get_locale();
         }
 
-        wpinv_switch_to_locale( $locale );
+        wpinv_switch_to_locale($locale);
     }
 }
-add_action( 'wpinv_pre_send_invoice_notification', 'wpinv_invoice_notification_set_locale', 10, 3 );
+add_action('wpinv_pre_send_invoice_notification', 'wpinv_invoice_notification_set_locale', 10, 3);
 
-function wpinv_invoice_notification_restore_locale( $invoice, $email_type, $site = false ) {
-    if ( empty( $invoice ) ) {
+function wpinv_invoice_notification_restore_locale($invoice, $email_type, $site = false) {
+    if (empty($invoice)) {
         return;
     }
 
     wpinv_restore_locale();
 }
-add_action( 'wpinv_post_send_invoice_notification', 'wpinv_invoice_notification_restore_locale', 10, 3 );
+add_action('wpinv_post_send_invoice_notification', 'wpinv_invoice_notification_restore_locale', 10, 3);

includes/class-wpinv.php

Indentation +16 added lines, -16 removed lines

@@ -171,11 +171,11 @@ 
         require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-privacy.php' );
         require_once( WPINV_PLUGIN_DIR . 'includes/libraries/class-ayecode-addons.php' );
         require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-addons.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/checkout.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-history.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-receipt.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-messages.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/subscriptions.php' );
+        require_once( WPINV_PLUGIN_DIR . 'widgets/checkout.php' );
+        require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-history.php' );
+        require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-receipt.php' );
+        require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-messages.php' );
+        require_once( WPINV_PLUGIN_DIR . 'widgets/subscriptions.php' );
         require_once( WPINV_PLUGIN_DIR . 'widgets/buy-item.php' );
         require_once( WPINV_PLUGIN_DIR . 'widgets/payment-form.php' );
         require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-payment-form-elements.php' );
@@ -491,19 +491,19 @@ 
         require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-bp-core.php' );
     }
 
-	/**
-	 * Register widgets
-	 *
-	 */
-	public function register_widgets() {
-		register_widget( "WPInv_Checkout_Widget" );
-		register_widget( "WPInv_History_Widget" );
-		register_widget( "WPInv_Receipt_Widget" );
-		register_widget( "WPInv_Subscriptions_Widget" );
-		register_widget( "WPInv_Buy_Item_Widget" );
+    /**
+     * Register widgets
+     *
+     */
+    public function register_widgets() {
+        register_widget( "WPInv_Checkout_Widget" );
+        register_widget( "WPInv_History_Widget" );
+        register_widget( "WPInv_Receipt_Widget" );
+        register_widget( "WPInv_Subscriptions_Widget" );
+        register_widget( "WPInv_Buy_Item_Widget" );
         register_widget( "WPInv_Messages_Widget" );
         register_widget( 'WPInv_Payment_Form_Widget' );
-	}
+    }
     
     /**
      * Remove our pages from yoast sitemaps.

Spacing +245 added lines, -245 removed lines

@@ -7,15 +7,15 @@ 
  */
  
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 class WPInv_Plugin {
     private static $instance;
     
     public static function run() {
-        if ( !isset( self::$instance ) && !( self::$instance instanceof WPInv_Plugin ) ) {
+        if (!isset(self::$instance) && !(self::$instance instanceof WPInv_Plugin)) {
             self::$instance = new WPInv_Plugin;
             self::$instance->includes();
             self::$instance->actions();
@@ -33,34 +33,34 @@ 
     }
     
     public function define_constants() {
-        define( 'WPINV_PLUGIN_DIR', plugin_dir_path( WPINV_PLUGIN_FILE ) );
-        define( 'WPINV_PLUGIN_URL', plugin_dir_url( WPINV_PLUGIN_FILE ) );
+        define('WPINV_PLUGIN_DIR', plugin_dir_path(WPINV_PLUGIN_FILE));
+        define('WPINV_PLUGIN_URL', plugin_dir_url(WPINV_PLUGIN_FILE));
     }
     
     private function actions() {
         /* Internationalize the text strings used. */
-        add_action( 'plugins_loaded', array( &$this, 'plugins_loaded' ) );
+        add_action('plugins_loaded', array(&$this, 'plugins_loaded'));
         
         /* Perform actions on admin initialization. */
-        add_action( 'admin_init', array( &$this, 'admin_init') );
-        add_action( 'init', array( &$this, 'init' ), 3 );
-        add_action( 'init', array( &$this, 'wpinv_actions' ) );
+        add_action('admin_init', array(&$this, 'admin_init'));
+        add_action('init', array(&$this, 'init'), 3);
+        add_action('init', array(&$this, 'wpinv_actions'));
         
-        if ( class_exists( 'BuddyPress' ) ) {
-            add_action( 'bp_include', array( &$this, 'bp_invoicing_init' ) );
+        if (class_exists('BuddyPress')) {
+            add_action('bp_include', array(&$this, 'bp_invoicing_init'));
         }
 
-        add_action( 'wp_enqueue_scripts', array( &$this, 'enqueue_scripts' ) );
-        add_action( 'widgets_init', array( &$this, 'register_widgets' ) );
-        add_filter( 'wpseo_exclude_from_sitemap_by_post_ids', array( $this, 'wpseo_exclude_from_sitemap_by_post_ids' ) );
+        add_action('wp_enqueue_scripts', array(&$this, 'enqueue_scripts'));
+        add_action('widgets_init', array(&$this, 'register_widgets'));
+        add_filter('wpseo_exclude_from_sitemap_by_post_ids', array($this, 'wpseo_exclude_from_sitemap_by_post_ids'));
 
-        if ( is_admin() ) {
-            add_action( 'admin_enqueue_scripts', array( &$this, 'admin_enqueue_scripts' ) );
-            add_filter( 'admin_body_class', array( &$this, 'admin_body_class' ) );
-            add_action( 'admin_init', array( &$this, 'init_ayecode_connect_helper' ) );
+        if (is_admin()) {
+            add_action('admin_enqueue_scripts', array(&$this, 'admin_enqueue_scripts'));
+            add_filter('admin_body_class', array(&$this, 'admin_body_class'));
+            add_action('admin_init', array(&$this, 'init_ayecode_connect_helper'));
 
         } else {
-            add_filter( 'pre_get_posts', array( &$this, 'pre_get_posts' ) );
+            add_filter('pre_get_posts', array(&$this, 'pre_get_posts'));
         }
         
         /**
@@ -70,28 +70,28 @@ 
          *
          * @param WPInv_Plugin $this. Current WPInv_Plugin instance. Passed by reference.
          */
-        do_action_ref_array( 'wpinv_actions', array( &$this ) );
+        do_action_ref_array('wpinv_actions', array(&$this));
 
-        add_action( 'admin_init', array( &$this, 'activation_redirect') );
+        add_action('admin_init', array(&$this, 'activation_redirect'));
     }
 
     /**
      * Maybe show the AyeCode Connect Notice.
      */
-    public function init_ayecode_connect_helper(){
+    public function init_ayecode_connect_helper() {
         // AyeCode Connect notice
-        if ( is_admin() ){
+        if (is_admin()) {
             // set the strings so they can be translated
             $strings = array(
-                'connect_title' => __("WP Invoicing - an AyeCode product!","invoicing"),
-                'connect_external'  => __( "Please confirm you wish to connect your site?","invoicing" ),
-                'connect'           => sprintf( __( "<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s","invoicing" ),"<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>","</a>" ),
-                'connect_button'    => __("Connect Site","invoicing"),
-                'connecting_button'    => __("Connecting...","invoicing"),
-                'error_localhost'   => __( "This service will only work with a live domain, not a localhost.","invoicing" ),
-                'error'             => __( "Something went wrong, please refresh and try again.","invoicing" ),
+                'connect_title' => __("WP Invoicing - an AyeCode product!", "invoicing"),
+                'connect_external'  => __("Please confirm you wish to connect your site?", "invoicing"),
+                'connect'           => sprintf(__("<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s", "invoicing"), "<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>", "</a>"),
+                'connect_button'    => __("Connect Site", "invoicing"),
+                'connecting_button'    => __("Connecting...", "invoicing"),
+                'error_localhost'   => __("This service will only work with a live domain, not a localhost.", "invoicing"),
+                'error'             => __("Something went wrong, please refresh and try again.", "invoicing"),
             );
-            new AyeCode_Connect_Helper($strings,array('wpi-addons'));
+            new AyeCode_Connect_Helper($strings, array('wpi-addons'));
         }
     }
     
@@ -99,10 +99,10 @@ 
         /* Internationalize the text strings used. */
         $this->load_textdomain();
 
-        do_action( 'wpinv_loaded' );
+        do_action('wpinv_loaded');
 
         // Fix oxygen page builder conflict
-        if ( function_exists( 'ct_css_output' ) ) {
+        if (function_exists('ct_css_output')) {
             wpinv_oxygen_fix_conflict();
         }
     }
@@ -112,237 +112,237 @@ 
      *
      * @since 1.0
      */
-    public function load_textdomain( $locale = NULL ) {
-        if ( empty( $locale ) ) {
-            $locale = is_admin() && function_exists( 'get_user_locale' ) ? get_user_locale() : get_locale();
+    public function load_textdomain($locale = NULL) {
+        if (empty($locale)) {
+            $locale = is_admin() && function_exists('get_user_locale') ? get_user_locale() : get_locale();
         }
 
-        $locale = apply_filters( 'plugin_locale', $locale, 'invoicing' );
+        $locale = apply_filters('plugin_locale', $locale, 'invoicing');
         
-        unload_textdomain( 'invoicing' );
-        load_textdomain( 'invoicing', WP_LANG_DIR . '/invoicing/invoicing-' . $locale . '.mo' );
-        load_plugin_textdomain( 'invoicing', false, WPINV_PLUGIN_DIR . 'languages' );
+        unload_textdomain('invoicing');
+        load_textdomain('invoicing', WP_LANG_DIR . '/invoicing/invoicing-' . $locale . '.mo');
+        load_plugin_textdomain('invoicing', false, WPINV_PLUGIN_DIR . 'languages');
         
         /**
          * Define language constants.
          */
-        require_once( WPINV_PLUGIN_DIR . 'language.php' );
+        require_once(WPINV_PLUGIN_DIR . 'language.php');
     }
         
     public function includes() {
         global $wpinv_options;
         
-        require_once( WPINV_PLUGIN_DIR . 'includes/admin/register-settings.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/admin/register-settings.php');
         $wpinv_options = wpinv_get_settings();
         
-        require_once( WPINV_PLUGIN_DIR . 'vendor/autoload.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/libraries/action-scheduler/action-scheduler.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-email-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-general-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-helper-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-tax-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-template-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-address-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-invoice-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-item-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-discount-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-gateway-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-payment-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-user-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-error-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-post-types.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-invoice.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-discount.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-item.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-notes.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-session.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-session-handler.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-ajax.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-api.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-reports.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-cache-helper.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-db.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/admin/subscriptions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions-db.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-subscription.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-subscriptions-list-table.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-privacy.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-privacy.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/libraries/class-ayecode-addons.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-addons.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/checkout.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-history.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-receipt.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-messages.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/subscriptions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'widgets/buy-item.php' );
-        require_once( WPINV_PLUGIN_DIR . 'widgets/payment-form.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-payment-form-elements.php' );
-
-        if ( !class_exists( 'WPInv_EUVat' ) ) {
-            require_once( WPINV_PLUGIN_DIR . 'includes/libraries/wpinv-euvat/class-wpinv-euvat.php' );
+        require_once(WPINV_PLUGIN_DIR . 'vendor/autoload.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/libraries/action-scheduler/action-scheduler.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-email-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-general-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-helper-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-tax-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-template-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-address-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-invoice-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-item-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-discount-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-gateway-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-payment-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-user-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-error-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-post-types.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-invoice.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-discount.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-item.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-notes.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-session.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-session-handler.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-ajax.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-api.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-reports.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-cache-helper.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-db.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/admin/subscriptions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions-db.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-subscription.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-subscriptions-list-table.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-privacy.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-privacy.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/libraries/class-ayecode-addons.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-addons.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/checkout.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/invoice-history.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/invoice-receipt.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/invoice-messages.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/subscriptions.php');
+        require_once(WPINV_PLUGIN_DIR . 'widgets/buy-item.php');
+        require_once(WPINV_PLUGIN_DIR . 'widgets/payment-form.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-payment-form-elements.php');
+
+        if (!class_exists('WPInv_EUVat')) {
+            require_once(WPINV_PLUGIN_DIR . 'includes/libraries/wpinv-euvat/class-wpinv-euvat.php');
         }
         
-        $gateways = array_keys( wpinv_get_enabled_payment_gateways() );
-        if ( !empty( $gateways ) ) {
-            foreach ( $gateways as $gateway ) {
-                if ( $gateway == 'manual' ) {
+        $gateways = array_keys(wpinv_get_enabled_payment_gateways());
+        if (!empty($gateways)) {
+            foreach ($gateways as $gateway) {
+                if ($gateway == 'manual') {
                     continue;
                 }
                 
                 $gateway_file = WPINV_PLUGIN_DIR . 'includes/gateways/' . $gateway . '.php';
                 
-                if ( file_exists( $gateway_file ) ) {
-                    require_once( $gateway_file );
+                if (file_exists($gateway_file)) {
+                    require_once($gateway_file);
                 }
             }
         }
-        require_once( WPINV_PLUGIN_DIR . 'includes/gateways/manual.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/gateways/manual.php');
         
-        if ( is_admin() || ( defined( 'WP_CLI' ) && WP_CLI ) ) {
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/wpinv-upgrade-functions.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/wpinv-admin-functions.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/admin-meta-boxes.php' );
+        if (is_admin() || (defined('WP_CLI') && WP_CLI)) {
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/wpinv-upgrade-functions.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/wpinv-admin-functions.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/admin-meta-boxes.php');
             //require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-recurring-admin.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-details.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-items.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-payment-form.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-notes.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-address.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/admin-pages.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-admin-menus.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-users.php' );
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-details.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-items.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-payment-form.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-notes.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-address.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/admin-pages.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-admin-menus.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-users.php');
             //require_once( WPINV_PLUGIN_DIR . 'includes/admin/subscriptions.php' );
             // load the user class only on the users.php page
             global $pagenow;
-            if($pagenow=='users.php'){
+            if ($pagenow == 'users.php') {
                 new WPInv_Admin_Users();
             }
         }
 
         // Register cli commands
-        if ( defined( 'WP_CLI' ) && WP_CLI ) {
-            require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-cli.php' );
-            WP_CLI::add_command( 'invoicing', 'WPInv_CLI' );
+        if (defined('WP_CLI') && WP_CLI) {
+            require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-cli.php');
+            WP_CLI::add_command('invoicing', 'WPInv_CLI');
         }
         
         // include css inliner
-        if ( ! class_exists( 'Emogrifier' ) && class_exists( 'DOMDocument' ) ) {
-            include_once( WPINV_PLUGIN_DIR . 'includes/libraries/class-emogrifier.php' );
+        if (!class_exists('Emogrifier') && class_exists('DOMDocument')) {
+            include_once(WPINV_PLUGIN_DIR . 'includes/libraries/class-emogrifier.php');
         }
         
-        require_once( WPINV_PLUGIN_DIR . 'includes/admin/install.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/admin/install.php');
     }
     
     public function init() {
     }
     
     public function admin_init() {
-        add_action( 'admin_print_scripts-edit.php', array( &$this, 'admin_print_scripts_edit_php' ) );
+        add_action('admin_print_scripts-edit.php', array(&$this, 'admin_print_scripts_edit_php'));
     }
 
     public function activation_redirect() {
         // Bail if no activation redirect
-        if ( !get_transient( '_wpinv_activation_redirect' ) ) {
+        if (!get_transient('_wpinv_activation_redirect')) {
             return;
         }
 
         // Delete the redirect transient
-        delete_transient( '_wpinv_activation_redirect' );
+        delete_transient('_wpinv_activation_redirect');
 
         // Bail if activating from network, or bulk
-        if ( is_network_admin() || isset( $_GET['activate-multi'] ) ) {
+        if (is_network_admin() || isset($_GET['activate-multi'])) {
             return;
         }
 
-        wp_safe_redirect( admin_url( 'admin.php?page=wpinv-settings&tab=general' ) );
+        wp_safe_redirect(admin_url('admin.php?page=wpinv-settings&tab=general'));
         exit;
     }
     
     public function enqueue_scripts() {
-        $suffix       = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+        $suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
         
-        wp_register_style( 'wpinv_front_style', WPINV_PLUGIN_URL . 'assets/css/invoice-front.css', array(), WPINV_VERSION );
-        wp_enqueue_style( 'wpinv_front_style' );
+        wp_register_style('wpinv_front_style', WPINV_PLUGIN_URL . 'assets/css/invoice-front.css', array(), WPINV_VERSION);
+        wp_enqueue_style('wpinv_front_style');
                
         // Register scripts
-        wp_register_script( 'jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array( 'jquery' ), '2.70', true );
-        wp_register_script( 'wpinv-front-script', WPINV_PLUGIN_URL . 'assets/js/invoice-front.js', array( 'jquery' ),  filemtime( WPINV_PLUGIN_DIR . 'assets/js/invoice-front.js' ) );
+        wp_register_script('jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array('jquery'), '2.70', true);
+        wp_register_script('wpinv-front-script', WPINV_PLUGIN_URL . 'assets/js/invoice-front.js', array('jquery'), filemtime(WPINV_PLUGIN_DIR . 'assets/js/invoice-front.js'));
 
         $localize                         = array();
-        $localize['ajax_url']             = admin_url( 'admin-ajax.php' );
-        $localize['nonce']                = wp_create_nonce( 'wpinv-nonce' );
+        $localize['ajax_url']             = admin_url('admin-ajax.php');
+        $localize['nonce']                = wp_create_nonce('wpinv-nonce');
         $localize['currency_symbol']      = wpinv_currency_symbol();
         $localize['currency_pos']         = wpinv_currency_position();
         $localize['thousand_sep']         = wpinv_thousands_separator();
         $localize['decimal_sep']          = wpinv_decimal_separator();
         $localize['decimals']             = wpinv_decimals();
-        $localize['txtComplete']          = __( 'Complete', 'invoicing' );
+        $localize['txtComplete']          = __('Complete', 'invoicing');
         $localize['UseTaxes']             = wpinv_use_taxes();
-        $localize['checkoutNonce']        = wp_create_nonce( 'wpinv_checkout_nonce' );
+        $localize['checkoutNonce']        = wp_create_nonce('wpinv_checkout_nonce');
 
-        $localize = apply_filters( 'wpinv_front_js_localize', $localize );
+        $localize = apply_filters('wpinv_front_js_localize', $localize);
         
-        wp_enqueue_script( 'jquery-blockui' );
+        wp_enqueue_script('jquery-blockui');
         $autofill_api = wpinv_get_option('address_autofill_api');
         $autofill_active = wpinv_get_option('address_autofill_active');
-        if ( isset( $autofill_active ) && 1 == $autofill_active && !empty( $autofill_api ) && wpinv_is_checkout() ) {
-            if ( wp_script_is( 'google-maps-api', 'enqueued' ) ) {
-                wp_dequeue_script( 'google-maps-api' );
+        if (isset($autofill_active) && 1 == $autofill_active && !empty($autofill_api) && wpinv_is_checkout()) {
+            if (wp_script_is('google-maps-api', 'enqueued')) {
+                wp_dequeue_script('google-maps-api');
             }
-            wp_enqueue_script( 'google-maps-api', 'https://maps.googleapis.com/maps/api/js?key=' . $autofill_api . '&libraries=places', array( 'jquery' ), '', false );
-            wp_enqueue_script( 'google-maps-init', WPINV_PLUGIN_URL . 'assets/js/gaaf.js', array( 'jquery', 'google-maps-api' ), '', true );
+            wp_enqueue_script('google-maps-api', 'https://maps.googleapis.com/maps/api/js?key=' . $autofill_api . '&libraries=places', array('jquery'), '', false);
+            wp_enqueue_script('google-maps-init', WPINV_PLUGIN_URL . 'assets/js/gaaf.js', array('jquery', 'google-maps-api'), '', true);
         }
 
-        wp_enqueue_style( "select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.css', array(), WPINV_VERSION, 'all' );
-        wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array( 'jquery' ), WPINV_VERSION );
+        wp_enqueue_style("select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.css', array(), WPINV_VERSION, 'all');
+        wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array('jquery'), WPINV_VERSION);
 
-        wp_enqueue_script( 'wpinv-front-script' );
-        wp_localize_script( 'wpinv-front-script', 'WPInv', $localize );
+        wp_enqueue_script('wpinv-front-script');
+        wp_localize_script('wpinv-front-script', 'WPInv', $localize);
 
-        $version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/payment-forms.js' );
-        wp_enqueue_script( 'wpinv-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/payment-forms.js', array( 'wpinv-front-script', 'wp-hooks' ),  $version, true );
+        $version = filemtime(WPINV_PLUGIN_DIR . 'assets/js/payment-forms.js');
+        wp_enqueue_script('wpinv-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/payment-forms.js', array('wpinv-front-script', 'wp-hooks'), $version, true);
     }
 
-    public function admin_enqueue_scripts( $hook ) {
+    public function admin_enqueue_scripts($hook) {
         global $post, $pagenow;
         
         $post_type  = wpinv_admin_post_type();
-        $suffix     = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
-        $page       = isset( $_GET['page'] ) ? strtolower( $_GET['page'] ) : '';
+        $suffix     = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
+        $page       = isset($_GET['page']) ? strtolower($_GET['page']) : '';
 
         $jquery_ui_css = false;
-        if ( ( $post_type == 'wpi_invoice' || $post_type == 'wpi_quote' || $post_type == 'wpi_discount' ) && ( $pagenow == 'post-new.php' || $pagenow == 'post.php' ) ) {
+        if (($post_type == 'wpi_invoice' || $post_type == 'wpi_quote' || $post_type == 'wpi_discount') && ($pagenow == 'post-new.php' || $pagenow == 'post.php')) {
             $jquery_ui_css = true;
-        } else if ( $page == 'wpinv-settings' || $page == 'wpinv-reports' ) {
+        } else if ($page == 'wpinv-settings' || $page == 'wpinv-reports') {
             $jquery_ui_css = true;
         }
-        if ( $jquery_ui_css ) {
-            wp_register_style( 'jquery-ui-css', WPINV_PLUGIN_URL . 'assets/css/jquery-ui' . $suffix . '.css', array(), '1.8.16' );
-            wp_enqueue_style( 'jquery-ui-css' );
+        if ($jquery_ui_css) {
+            wp_register_style('jquery-ui-css', WPINV_PLUGIN_URL . 'assets/css/jquery-ui' . $suffix . '.css', array(), '1.8.16');
+            wp_enqueue_style('jquery-ui-css');
         }
 
-        wp_register_style( 'wpinv_meta_box_style', WPINV_PLUGIN_URL . 'assets/css/meta-box.css', array(), WPINV_VERSION );
-        wp_enqueue_style( 'wpinv_meta_box_style' );
+        wp_register_style('wpinv_meta_box_style', WPINV_PLUGIN_URL . 'assets/css/meta-box.css', array(), WPINV_VERSION);
+        wp_enqueue_style('wpinv_meta_box_style');
         
-        $version = filemtime( WPINV_PLUGIN_DIR . 'assets/css/admin.css' );
-        wp_register_style( 'wpinv_admin_style', WPINV_PLUGIN_URL . 'assets/css/admin.css', array(), $version );
-        wp_enqueue_style( 'wpinv_admin_style' );
+        $version = filemtime(WPINV_PLUGIN_DIR . 'assets/css/admin.css');
+        wp_register_style('wpinv_admin_style', WPINV_PLUGIN_URL . 'assets/css/admin.css', array(), $version);
+        wp_enqueue_style('wpinv_admin_style');
 
-        $enqueue = ( $post_type == 'wpi_discount' || $post_type == 'wpi_invoice' && ( $pagenow == 'post-new.php' || $pagenow == 'post.php' ) );
-        if ( $page == 'wpinv-subscriptions' ) {
-            wp_enqueue_script( 'jquery-ui-datepicker' );
+        $enqueue = ($post_type == 'wpi_discount' || $post_type == 'wpi_invoice' && ($pagenow == 'post-new.php' || $pagenow == 'post.php'));
+        if ($page == 'wpinv-subscriptions') {
+            wp_enqueue_script('jquery-ui-datepicker');
         }
         
-        if ( $enqueue_datepicker = apply_filters( 'wpinv_admin_enqueue_jquery_ui_datepicker', $enqueue ) ) {
-            wp_enqueue_script( 'jquery-ui-datepicker' );
+        if ($enqueue_datepicker = apply_filters('wpinv_admin_enqueue_jquery_ui_datepicker', $enqueue)) {
+            wp_enqueue_script('jquery-ui-datepicker');
         }
 
-        wp_enqueue_style( 'wp-color-picker' );
-        wp_enqueue_script( 'wp-color-picker' );
+        wp_enqueue_style('wp-color-picker');
+        wp_enqueue_script('wp-color-picker');
         
-        wp_register_script( 'jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array( 'jquery' ), '2.70', true );
+        wp_register_script('jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array('jquery'), '2.70', true);
 
         if (($post_type == 'wpi_invoice' || $post_type == 'wpi_quote') && ($pagenow == 'post-new.php' || $pagenow == 'post.php')) {
             $autofill_api = wpinv_get_option('address_autofill_api');
@@ -353,21 +353,21 @@ 
             }
         }
 
-        wp_enqueue_style( "select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.css', array(), WPINV_VERSION, 'all' );
-        wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array( 'jquery' ), WPINV_VERSION );
+        wp_enqueue_style("select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.css', array(), WPINV_VERSION, 'all');
+        wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array('jquery'), WPINV_VERSION);
 
-        $version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/admin.js' );
-        wp_register_script( 'wpinv-admin-script', WPINV_PLUGIN_URL . 'assets/js/admin.js', array( 'jquery', 'jquery-blockui','jquery-ui-tooltip' ),  $version );
-        wp_enqueue_script( 'wpinv-admin-script' );
+        $version = filemtime(WPINV_PLUGIN_DIR . 'assets/js/admin.js');
+        wp_register_script('wpinv-admin-script', WPINV_PLUGIN_URL . 'assets/js/admin.js', array('jquery', 'jquery-blockui', 'jquery-ui-tooltip'), $version);
+        wp_enqueue_script('wpinv-admin-script');
         
         $localize                               = array();
-        $localize['ajax_url']                   = admin_url( 'admin-ajax.php' );
-        $localize['post_ID']                    = isset( $post->ID ) ? $post->ID : '';
-        $localize['wpinv_nonce']                = wp_create_nonce( 'wpinv-nonce' );
-        $localize['add_invoice_note_nonce']     = wp_create_nonce( 'add-invoice-note' );
-        $localize['delete_invoice_note_nonce']  = wp_create_nonce( 'delete-invoice-note' );
-        $localize['invoice_item_nonce']         = wp_create_nonce( 'invoice-item' );
-        $localize['billing_details_nonce']      = wp_create_nonce( 'get-billing-details' );
+        $localize['ajax_url']                   = admin_url('admin-ajax.php');
+        $localize['post_ID']                    = isset($post->ID) ? $post->ID : '';
+        $localize['wpinv_nonce']                = wp_create_nonce('wpinv-nonce');
+        $localize['add_invoice_note_nonce']     = wp_create_nonce('add-invoice-note');
+        $localize['delete_invoice_note_nonce']  = wp_create_nonce('delete-invoice-note');
+        $localize['invoice_item_nonce']         = wp_create_nonce('invoice-item');
+        $localize['billing_details_nonce']      = wp_create_nonce('get-billing-details');
         $localize['tax']                        = wpinv_tax_amount();
         $localize['discount']                   = wpinv_discount_amount();
         $localize['currency_symbol']            = wpinv_currency_symbol();
@@ -375,95 +375,95 @@ 
         $localize['thousand_sep']               = wpinv_thousands_separator();
         $localize['decimal_sep']                = wpinv_decimal_separator();
         $localize['decimals']                   = wpinv_decimals();
-        $localize['save_invoice']               = __( 'Save Invoice', 'invoicing' );
-        $localize['status_publish']             = wpinv_status_nicename( 'publish' );
-        $localize['status_pending']             = wpinv_status_nicename( 'wpi-pending' );
-        $localize['delete_tax_rate']            = __( 'Are you sure you wish to delete this tax rate?', 'invoicing' );
-        $localize['OneItemMin']                 = __( 'Invoice must contain at least one item', 'invoicing' );
-        $localize['DeleteInvoiceItem']          = __( 'Are you sure you wish to delete this item?', 'invoicing' );
-        $localize['FillBillingDetails']         = __( 'Fill the user\'s billing information? This will remove any currently entered billing information', 'invoicing' );
-        $localize['confirmCalcTotals']          = __( 'Recalculate totals? This will recalculate totals based on the user billing country. If no billing country is set it will use the base country.', 'invoicing' );
-        $localize['AreYouSure']                 = __( 'Are you sure?', 'invoicing' );
-        $localize['emptyInvoice']               = __( 'Add at least one item to save invoice!', 'invoicing' );
-        $localize['errDeleteItem']              = __( 'This item is in use! Before delete this item, you need to delete all the invoice(s) using this item.', 'invoicing' );
-        $localize['delete_subscription']        = __( 'Are you sure you want to delete this subscription?', 'invoicing' );
-        $localize['action_edit']                = __( 'Edit', 'invoicing' );
-        $localize['action_cancel']              = __( 'Cancel', 'invoicing' );
-
-        $localize = apply_filters( 'wpinv_admin_js_localize', $localize );
-
-        wp_localize_script( 'wpinv-admin-script', 'WPInv_Admin', $localize );
+        $localize['save_invoice']               = __('Save Invoice', 'invoicing');
+        $localize['status_publish']             = wpinv_status_nicename('publish');
+        $localize['status_pending']             = wpinv_status_nicename('wpi-pending');
+        $localize['delete_tax_rate']            = __('Are you sure you wish to delete this tax rate?', 'invoicing');
+        $localize['OneItemMin']                 = __('Invoice must contain at least one item', 'invoicing');
+        $localize['DeleteInvoiceItem']          = __('Are you sure you wish to delete this item?', 'invoicing');
+        $localize['FillBillingDetails']         = __('Fill the user\'s billing information? This will remove any currently entered billing information', 'invoicing');
+        $localize['confirmCalcTotals']          = __('Recalculate totals? This will recalculate totals based on the user billing country. If no billing country is set it will use the base country.', 'invoicing');
+        $localize['AreYouSure']                 = __('Are you sure?', 'invoicing');
+        $localize['emptyInvoice']               = __('Add at least one item to save invoice!', 'invoicing');
+        $localize['errDeleteItem']              = __('This item is in use! Before delete this item, you need to delete all the invoice(s) using this item.', 'invoicing');
+        $localize['delete_subscription']        = __('Are you sure you want to delete this subscription?', 'invoicing');
+        $localize['action_edit']                = __('Edit', 'invoicing');
+        $localize['action_cancel']              = __('Cancel', 'invoicing');
+
+        $localize = apply_filters('wpinv_admin_js_localize', $localize);
+
+        wp_localize_script('wpinv-admin-script', 'WPInv_Admin', $localize);
 
         // Load payment form scripts on our admin pages only.
-        if ( ( $hook == 'post-new.php' || $hook == 'post.php' ) && 'wpi_payment_form' === $post->post_type ) {
+        if (($hook == 'post-new.php' || $hook == 'post.php') && 'wpi_payment_form' === $post->post_type) {
 
-            wp_enqueue_script( 'vue', WPINV_PLUGIN_URL . 'assets/js/vue/vue.js', array(), WPINV_VERSION );
-            wp_enqueue_script( 'sortable', WPINV_PLUGIN_URL . 'assets/js/sortable.min.js', array(), WPINV_VERSION );
-            wp_enqueue_script( 'vue_draggable', WPINV_PLUGIN_URL . 'assets/js/vue/vuedraggable.min.js', array( 'sortable', 'vue' ), WPINV_VERSION );
+            wp_enqueue_script('vue', WPINV_PLUGIN_URL . 'assets/js/vue/vue.js', array(), WPINV_VERSION);
+            wp_enqueue_script('sortable', WPINV_PLUGIN_URL . 'assets/js/sortable.min.js', array(), WPINV_VERSION);
+            wp_enqueue_script('vue_draggable', WPINV_PLUGIN_URL . 'assets/js/vue/vuedraggable.min.js', array('sortable', 'vue'), WPINV_VERSION);
 
-            $version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/admin-payment-forms.js' );
-            wp_register_script( 'wpinv-admin-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/admin-payment-forms.js', array( 'wpinv-admin-script', 'vue_draggable' ),  $version );
+            $version = filemtime(WPINV_PLUGIN_DIR . 'assets/js/admin-payment-forms.js');
+            wp_register_script('wpinv-admin-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/admin-payment-forms.js', array('wpinv-admin-script', 'vue_draggable'), $version);
         
-            wp_localize_script( 'wpinv-admin-payment-form-script', 'wpinvPaymentFormAdmin', array(
+            wp_localize_script('wpinv-admin-payment-form-script', 'wpinvPaymentFormAdmin', array(
                 'elements'      => $this->form_elements->get_elements(),
-                'form_elements' => $this->form_elements->get_form_elements( $post->ID ),
+                'form_elements' => $this->form_elements->get_form_elements($post->ID),
                 'all_items'     => $this->form_elements->get_published_items(),
                 'currency'      => wpinv_currency_symbol(),
                 'position'      => wpinv_currency_position(),
                 'decimals'      => (int) wpinv_decimals(),
                 'thousands_sep' => wpinv_thousands_separator(),
                 'decimals_sep'  => wpinv_decimal_separator(),
-                'form_items'    => $this->form_elements->get_form_items( $post->ID ),
-            ) );
+                'form_items'    => $this->form_elements->get_form_items($post->ID),
+            ));
 
-            wp_enqueue_script( 'wpinv-admin-payment-form-script' );
+            wp_enqueue_script('wpinv-admin-payment-form-script');
         }
 
-        if ( $page == 'wpinv-subscriptions' ) {
-            wp_register_script( 'wpinv-sub-admin-script', WPINV_PLUGIN_URL . 'assets/js/subscriptions.js', array( 'wpinv-admin-script' ),  WPINV_VERSION );
-            wp_enqueue_script( 'wpinv-sub-admin-script' );
+        if ($page == 'wpinv-subscriptions') {
+            wp_register_script('wpinv-sub-admin-script', WPINV_PLUGIN_URL . 'assets/js/subscriptions.js', array('wpinv-admin-script'), WPINV_VERSION);
+            wp_enqueue_script('wpinv-sub-admin-script');
         }
 
     }
 
-    public function admin_body_class( $classes ) {
+    public function admin_body_class($classes) {
         global $pagenow, $post, $current_screen;
         
-        if ( !empty( $current_screen->post_type ) && ( $current_screen->post_type == 'wpi_invoice' || $current_screen->post_type == 'wpi_payment_form' || $current_screen->post_type == 'wpi_quote' ) ) {
+        if (!empty($current_screen->post_type) && ($current_screen->post_type == 'wpi_invoice' || $current_screen->post_type == 'wpi_payment_form' || $current_screen->post_type == 'wpi_quote')) {
             $classes .= ' wpinv-cpt';
         }
         
-        $page = isset( $_GET['page'] ) ? strtolower( $_GET['page'] ) : false;
+        $page = isset($_GET['page']) ? strtolower($_GET['page']) : false;
 
-        $add_class = $page && $pagenow == 'admin.php' && strpos( $page, 'wpinv-' ) === 0 ? true : false;
-        if ( $add_class ) {
-            $classes .= ' wpi-' . wpinv_sanitize_key( $page );
+        $add_class = $page && $pagenow == 'admin.php' && strpos($page, 'wpinv-') === 0 ? true : false;
+        if ($add_class) {
+            $classes .= ' wpi-' . wpinv_sanitize_key($page);
         }
         
         $settings_class = array();
-        if ( $page == 'wpinv-settings' ) {
-            if ( !empty( $_REQUEST['tab'] ) ) {
-                $settings_class[] = sanitize_text_field( $_REQUEST['tab'] );
+        if ($page == 'wpinv-settings') {
+            if (!empty($_REQUEST['tab'])) {
+                $settings_class[] = sanitize_text_field($_REQUEST['tab']);
             }
             
-            if ( !empty( $_REQUEST['section'] ) ) {
-                $settings_class[] = sanitize_text_field( $_REQUEST['section'] );
+            if (!empty($_REQUEST['section'])) {
+                $settings_class[] = sanitize_text_field($_REQUEST['section']);
             }
             
-            $settings_class[] = isset( $_REQUEST['wpi_sub'] ) && $_REQUEST['wpi_sub'] !== '' ? sanitize_text_field( $_REQUEST['wpi_sub'] ) : 'main';
+            $settings_class[] = isset($_REQUEST['wpi_sub']) && $_REQUEST['wpi_sub'] !== '' ? sanitize_text_field($_REQUEST['wpi_sub']) : 'main';
         }
         
-        if ( !empty( $settings_class ) ) {
-            $classes .= ' wpi-' . wpinv_sanitize_key( implode( $settings_class, '-' ) );
+        if (!empty($settings_class)) {
+            $classes .= ' wpi-' . wpinv_sanitize_key(implode($settings_class, '-'));
         }
         
         $post_type = wpinv_admin_post_type();
 
-        if ( $post_type == 'wpi_invoice' || $post_type == 'wpi_quote' || $add_class !== false ) {
+        if ($post_type == 'wpi_invoice' || $post_type == 'wpi_quote' || $add_class !== false) {
             return $classes .= ' wpinv';
         }
         
-        if ( $pagenow == 'post.php' && $post_type == 'wpi_item' && !empty( $post ) && !wpinv_item_is_editable( $post ) ) {
+        if ($pagenow == 'post.php' && $post_type == 'wpi_item' && !empty($post) && !wpinv_item_is_editable($post)) {
             $classes .= ' wpi-editable-n';
         }
 
@@ -475,21 +475,21 @@ 
     }
     
     public function wpinv_actions() {
-        if ( isset( $_REQUEST['wpi_action'] ) ) {
-            do_action( 'wpinv_' . wpinv_sanitize_key( $_REQUEST['wpi_action'] ), $_REQUEST );
+        if (isset($_REQUEST['wpi_action'])) {
+            do_action('wpinv_' . wpinv_sanitize_key($_REQUEST['wpi_action']), $_REQUEST);
         }
     }
     
-    public function pre_get_posts( $wp_query ) {
-        if ( !empty( $wp_query->query_vars['post_type'] ) && $wp_query->query_vars['post_type'] == 'wpi_invoice' && is_user_logged_in() && is_single() && $wp_query->is_main_query() ) {
-            $wp_query->query_vars['post_status'] = array_keys( wpinv_get_invoice_statuses() );
+    public function pre_get_posts($wp_query) {
+        if (!empty($wp_query->query_vars['post_type']) && $wp_query->query_vars['post_type'] == 'wpi_invoice' && is_user_logged_in() && is_single() && $wp_query->is_main_query()) {
+            $wp_query->query_vars['post_status'] = array_keys(wpinv_get_invoice_statuses());
         }
         
         return $wp_query;
     }
     
     public function bp_invoicing_init() {
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-bp-core.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-bp-core.php');
     }
 
 	/**
@@ -497,13 +497,13 @@ 
 	 *
 	 */
 	public function register_widgets() {
-		register_widget( "WPInv_Checkout_Widget" );
-		register_widget( "WPInv_History_Widget" );
-		register_widget( "WPInv_Receipt_Widget" );
-		register_widget( "WPInv_Subscriptions_Widget" );
-		register_widget( "WPInv_Buy_Item_Widget" );
-        register_widget( "WPInv_Messages_Widget" );
-        register_widget( 'WPInv_Payment_Form_Widget' );
+		register_widget("WPInv_Checkout_Widget");
+		register_widget("WPInv_History_Widget");
+		register_widget("WPInv_Receipt_Widget");
+		register_widget("WPInv_Subscriptions_Widget");
+		register_widget("WPInv_Buy_Item_Widget");
+        register_widget("WPInv_Messages_Widget");
+        register_widget('WPInv_Payment_Form_Widget');
 	}
     
     /**
@@ -512,10 +512,10 @@ 
      * @since 1.0.19
      * @param int[] $excluded_posts_ids
      */
-    function wpseo_exclude_from_sitemap_by_post_ids( $excluded_posts_ids ){
+    function wpseo_exclude_from_sitemap_by_post_ids($excluded_posts_ids) {
 
         // Ensure that we have an array.
-        if ( ! is_array( $excluded_posts_ids ) ) {
+        if (!is_array($excluded_posts_ids)) {
             $excluded_posts_ids = array();
         }
 
@@ -523,24 +523,24 @@ 
         $our_pages = array();
     
         // Checkout page.
-        $our_pages[] = wpinv_get_option( 'checkout_page', false );
+        $our_pages[] = wpinv_get_option('checkout_page', false);
 
         // Success page.
-        $our_pages[] = wpinv_get_option( 'success_page', false );
+        $our_pages[] = wpinv_get_option('success_page', false);
 
         // Failure page.
-        $our_pages[] = wpinv_get_option( 'failure_page', false );
+        $our_pages[] = wpinv_get_option('failure_page', false);
 
         // History page.
-        $our_pages[] = wpinv_get_option( 'invoice_history_page', false );
+        $our_pages[] = wpinv_get_option('invoice_history_page', false);
 
         // Subscriptions page.
-        $our_pages[] = wpinv_get_option( 'invoice_subscription_page', false );
+        $our_pages[] = wpinv_get_option('invoice_subscription_page', false);
 
-        $our_pages   = array_map( 'intval', array_filter( $our_pages ) );
+        $our_pages   = array_map('intval', array_filter($our_pages));
 
         $excluded_posts_ids = $excluded_posts_ids + $our_pages;
-        return array_unique( $excluded_posts_ids );
+        return array_unique($excluded_posts_ids);
 
     }
 }