Refactor/templates

src/Abstracts/Email.php

@@ -106,7 +106,7 @@ class Email {
      *
      * @return self
      */
-    public function set_recipients( array $recipients = [] ): self {
+    public function set_recipients( array $recipients ): self {
         $this->recipients = $recipients;
 
         return $this;
@@ -164,7 +164,7 @@ class Email {
     /**
      * @return string
      */
-    public function set_content_type( $type = 'html' ): self {
+    public function set_content_type( $type ): self {
         switch ( $type ) {
             case 'plain':
                 $content_type = 'text/plain';
@@ -200,12 +200,21 @@ class Email {
         return $this->content;
     }
 
+    /**
+     * @param string $name
+     * @param string $value
+     *
+     * @return $this
+     */
     public function set_template_attributes( string $name, string $value ): self {
         $this->template_attributes[ $name ] = $value;
 
         return $this;
     }
 
+    /**
+     * @return array
+     */
     public function get_template_attributes(): array {
         return $this->template_attributes;
     }