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<title>[BuddyPress][10481] trunk: Emails: update `set_to`, `set_bcc`, `set_cc` to correctly handle multiple recipients.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="http://buddypress.trac.wordpress.org/changeset/10481">10481</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"http://buddypress.trac.wordpress.org/changeset/10481","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>djpaul</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2016-01-28 19:26:34 +0000 (Thu, 28 Jan 2016)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Emails: update `set_to`, `set_bcc`, `set_cc` to correctly handle multiple recipients.

Also tweaks the PHPDoc to make the intended use of the array argument
clearer.

See <a href="http://buddypress.trac.wordpress.org/ticket/6592">#6592</a></pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcbpcorebpcorefunctionsphp">trunk/src/bp-core/bp-core-functions.php</a></li>
<li><a href="#trunksrcbpcoreclassesclassbpemailrecipientphp">trunk/src/bp-core/classes/class-bp-email-recipient.php</a></li>
<li><a href="#trunksrcbpcoreclassesclassbpemailphp">trunk/src/bp-core/classes/class-bp-email.php</a></li>
<li><a href="#trunktestsphpunittestcasescoreclassbpemailphp">trunk/tests/phpunit/testcases/core/class-bp-email.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcbpcorebpcorefunctionsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/bp-core/bp-core-functions.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/bp-core/bp-core-functions.php   2016-01-27 21:16:15 UTC (rev 10480)
+++ trunk/src/bp-core/bp-core-functions.php     2016-01-28 19:26:34 UTC (rev 10481)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2838,7 +2838,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">  *
</span><span class="cx" style="display: block; padding: 0 10px">  * @param string $email_type Type of email being sent.
</span><span class="cx" style="display: block; padding: 0 10px">  * @param string|array|int|WP_User $to Either a email address, user ID, WP_User object,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- *                                     or an array containg the address and name.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ *                                     or an array containing any combination of the above.
</ins><span class="cx" style="display: block; padding: 0 10px">  * @param array $args {
</span><span class="cx" style="display: block; padding: 0 10px">  *     Optional. Array of extra. parameters.
</span><span class="cx" style="display: block; padding: 0 10px">  *
</span></span></pre></div>
<a id="trunksrcbpcoreclassesclassbpemailrecipientphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/bp-core/classes/class-bp-email-recipient.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/bp-core/classes/class-bp-email-recipient.php    2016-01-27 21:16:15 UTC (rev 10480)
+++ trunk/src/bp-core/classes/class-bp-email-recipient.php      2016-01-28 19:26:34 UTC (rev 10481)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -49,7 +49,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @since 2.5.0
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * @param string|array|int|WP_User $email_or_user Either a email address, user ID, WP_User object,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         *                                                or an array containg the address and name.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  *                                                or an array containing any combination of the above.
</ins><span class="cx" style="display: block; padding: 0 10px">          * @param string $name Optional. If $email_or_user is a string, this is the recipient's name.
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function __construct( $email_or_user, $name = '' ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -94,7 +94,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                 * @since 2.5.0
</span><span class="cx" style="display: block; padding: 0 10px">                 *
</span><span class="cx" style="display: block; padding: 0 10px">                 * @param string|array|int|WP_User $email_or_user Either a email address, user ID, WP_User object,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                 *                                                or an array containg the address and name.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+          *                                                or an array containing any combination of the above.
</ins><span class="cx" style="display: block; padding: 0 10px">                  * @param string $name If $email_or_user is a string, this is the recipient's name.
</span><span class="cx" style="display: block; padding: 0 10px">                 * @param BP_Email_Recipient $this Current instance of the email type class.
</span><span class="cx" style="display: block; padding: 0 10px">                 */
</span></span></pre></div>
<a id="trunksrcbpcoreclassesclassbpemailphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/bp-core/classes/class-bp-email.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/bp-core/classes/class-bp-email.php      2016-01-27 21:16:15 UTC (rev 10480)
+++ trunk/src/bp-core/classes/class-bp-email.php        2016-01-28 19:26:34 UTC (rev 10481)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -519,13 +519,22 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @since 2.5.0
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * @param string|array|int|WP_User $bcc_address Either a email address, user ID, WP_User object,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         *                                              or an array containg the address and name.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  *                                              or an array containing any combination of the above.
</ins><span class="cx" style="display: block; padding: 0 10px">          * @param string $name Optional. If $bcc_address is a string, this is the recipient's name.
</span><span class="cx" style="display: block; padding: 0 10px">         * @return BP_Email
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function set_bcc( $bcc_address, $name = '' ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $bcc = array( new BP_Email_Recipient( $bcc_address, $name ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $bcc = array();
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                if ( is_array( $bcc_address ) ) {
+                       foreach ( $bcc_address as $address ) {
+                               $bcc[] = new BP_Email_Recipient( $address );
+                       }
+
+               } else {
+                       $bcc = array( new BP_Email_Recipient( $bcc_address, $name ) );
+               }
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 /**
</span><span class="cx" style="display: block; padding: 0 10px">                 * Filters the new value of the email's "BCC" property.
</span><span class="cx" style="display: block; padding: 0 10px">                 *
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -533,7 +542,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                 *
</span><span class="cx" style="display: block; padding: 0 10px">                 * @param BP_Email_Recipient[] $bcc BCC recipients.
</span><span class="cx" style="display: block; padding: 0 10px">                 * @param string|array|int|WP_User $bcc_address Either a email address, user ID, WP_User object,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                 *                                              or an array containg the address and name.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+          *                                              or an array containing any combination of the above.
</ins><span class="cx" style="display: block; padding: 0 10px">                  * @param string $name Optional. If $bcc_address is a string, this is the recipient's name.
</span><span class="cx" style="display: block; padding: 0 10px">                 * @param BP_Email $this Current instance of the email type class.
</span><span class="cx" style="display: block; padding: 0 10px">                 */
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -554,13 +563,22 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @since 2.5.0
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * @param string|array|int|WP_User $cc_address Either a email address, user ID, WP_User object,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         *                                             or an array containg the address and name.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  *                                             or an array containing any combination of the above.
</ins><span class="cx" style="display: block; padding: 0 10px">          * @param string $name Optional. If $cc_address is a string, this is the recipient's name.
</span><span class="cx" style="display: block; padding: 0 10px">         * @return BP_Email
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function set_cc( $cc_address, $name = '' ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $cc = array( new BP_Email_Recipient( $cc_address, $name ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $cc = array();
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                if ( is_array( $cc_address ) ) {
+                       foreach ( $cc_address as $address ) {
+                               $cc[] = new BP_Email_Recipient( $address );
+                       }
+
+               } else {
+                       $cc = array( new BP_Email_Recipient( $cc_address, $name ) );
+               }
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 /**
</span><span class="cx" style="display: block; padding: 0 10px">                 * Filters the new value of the email's "CC" property.
</span><span class="cx" style="display: block; padding: 0 10px">                 *
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -568,7 +586,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                 *
</span><span class="cx" style="display: block; padding: 0 10px">                 * @param BP_Email_Recipient[] $cc CC recipients.
</span><span class="cx" style="display: block; padding: 0 10px">                 * @param string|array|int|WP_User $cc_address Either a email address, user ID, WP_User object,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                 *                                             or an array containg the address and name.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+          *                                             or an array containing any combination of the above.
</ins><span class="cx" style="display: block; padding: 0 10px">                  * @param string $name Optional. If $cc_address is a string, this is the recipient's name.
</span><span class="cx" style="display: block; padding: 0 10px">                 * @param BP_Email $this Current instance of the email type class.
</span><span class="cx" style="display: block; padding: 0 10px">                 */
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -657,8 +675,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * @since 2.5.0
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         * @param string|array|int|WP_User $email_address Either a email address, user ID, WP_User object,
-        *                                                or an array containg the address and name.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  * @param string|array|int|WP_User $email_address Either a email address, user ID, or WP_User object.
</ins><span class="cx" style="display: block; padding: 0 10px">          * @param string $name Optional. If $email_address is a string, this is the recipient's name.
</span><span class="cx" style="display: block; padding: 0 10px">         * @return BP_Email
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -671,8 +688,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                 * @since 2.5.0
</span><span class="cx" style="display: block; padding: 0 10px">                 *
</span><span class="cx" style="display: block; padding: 0 10px">                 * @param BP_Email_Recipient $from Sender details.
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                 * @param string|array|int|WP_User $email_address Either a email address, user ID, WP_User object,
-                *                                                or an array containg the address and name.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+          * @param string|array|int|WP_User $email_address Either a email address, user ID, or WP_User object.
</ins><span class="cx" style="display: block; padding: 0 10px">                  * @param string $name Optional. If $email_address is a string, this is the recipient's name.
</span><span class="cx" style="display: block; padding: 0 10px">                 * @param BP_Email $this Current instance of the email type class.
</span><span class="cx" style="display: block; padding: 0 10px">                 */
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -726,7 +742,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @since 2.5.0
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * @param string|array|int|WP_User $email_address Either a email address, user ID, WP_User object,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         *                                                or an array containg the address and name.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  *                                                or an array containing any combination of the above.
</ins><span class="cx" style="display: block; padding: 0 10px">          * @param string $name Optional. If $email_address is a string, this is the recipient's name.
</span><span class="cx" style="display: block; padding: 0 10px">         * @return BP_Email
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -740,7 +756,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                 *
</span><span class="cx" style="display: block; padding: 0 10px">                 * @param BP_Email_Recipient $reply_to "Reply to" recipient.
</span><span class="cx" style="display: block; padding: 0 10px">                 * @param string|array|int|WP_User $email_address Either a email address, user ID, WP_User object,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                 *                                                or an array containg the address and name.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+          *                                                or an array containing any combination of the above.
</ins><span class="cx" style="display: block; padding: 0 10px">                  * @param string $name Optional. If $email_address is a string, this is the recipient's name.
</span><span class="cx" style="display: block; padding: 0 10px">                 * @param BP_Email $this Current instance of the email type class.
</span><span class="cx" style="display: block; padding: 0 10px">                 */
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -815,13 +831,22 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @since 2.5.0
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * @param string|array|int|WP_User $to_address Either a email address, user ID, WP_User object,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         *                                             or an array containg the address and name.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  *                                             or an array containing any combination of the above.
</ins><span class="cx" style="display: block; padding: 0 10px">          * @param string $name Optional. If $to_address is a string, this is the recipient's name.
</span><span class="cx" style="display: block; padding: 0 10px">         * @return BP_Email
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function set_to( $to_address, $name = '' ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $to = array( new BP_Email_Recipient( $to_address, $name ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $to = array();
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                if ( is_array( $to_address ) ) {
+                       foreach ( $to_address as $address ) {
+                               $to[] = new BP_Email_Recipient( $address );
+                       }
+
+               } else {
+                       $to = array( new BP_Email_Recipient( $to_address, $name ) );
+               }
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 /**
</span><span class="cx" style="display: block; padding: 0 10px">                 * Filters the new value of the email's "to" property.
</span><span class="cx" style="display: block; padding: 0 10px">                 *
</span></span></pre></div>
<a id="trunktestsphpunittestcasescoreclassbpemailphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/testcases/core/class-bp-email.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/testcases/core/class-bp-email.php     2016-01-27 21:16:15 UTC (rev 10480)
+++ trunk/tests/phpunit/testcases/core/class-bp-email.php       2016-01-28 19:26:34 UTC (rev 10481)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -4,8 +4,22 @@
</span><span class="cx" style="display: block; padding: 0 10px">  * @group BP_Email
</span><span class="cx" style="display: block; padding: 0 10px">  */
</span><span class="cx" style="display: block; padding: 0 10px"> class BP_Tests_Email extends BP_UnitTestCase {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        protected $u1;
+       protected $u2;
+
</ins><span class="cx" style="display: block; padding: 0 10px">         public function setUp() {
</span><span class="cx" style="display: block; padding: 0 10px">                parent::setUp();
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+               $this->u1 = $this->factory->user->create( array(
+                       'display_name' => 'Unit Test',
+                       'user_email'   => 'test1@example.com',
+               ) );
+
+               $this->u2 = $this->factory->user->create( array(
+                       'display_name' => 'Unit Test2',
+                       'user_email'   => 'test2@example.com',
+               ) );
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 remove_filter( 'bp_email_get_headers', 'bp_email_set_default_headers', 6, 4 );
</span><span class="cx" style="display: block; padding: 0 10px">                remove_filter( 'bp_email_get_tokens', 'bp_email_set_default_tokens', 6, 4 );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -155,4 +169,57 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertSame( '<b>hello world</b><b>hello world</b>', $email->get_content() );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+       public function test_multiple_recipients_are_supported_by_address() {
+               $email1 = 'test1@example.com';
+               $email2 = 'test2@example.com';
+               $email  = new BP_Email( 'fake_type' );
+
+               $email->set_to( array( $email1, $email2 ) );
+               $addresses = $email->get_to();
+
+               $this->assertCount( 2, $addresses );
+               $this->assertSame( $email1, $addresses[0]->get_address() );
+               $this->assertSame( $email2, $addresses[1]->get_address() );
+       }
+
+       public function test_multiple_recipients_are_supported_by_wp_user_object() {
+               $user1 = get_user_by( 'id', $this->u1 );
+               $user2 = get_user_by( 'id', $this->u2 );
+               $email = new BP_Email( 'fake_type' );
+
+               $email->set_to( array( $user1, $user2 ) );
+               $addresses = $email->get_to();
+
+               $this->assertCount( 2, $addresses );
+               $this->assertSame( $user1->user_email, $addresses[0]->get_address() );
+               $this->assertSame( $user2->user_email, $addresses[1]->get_address() );
+       }
+
+       public function test_multiple_recipients_are_supported_by_wp_user_id() {
+               $user1 = get_user_by( 'id', $this->u1 );
+               $user2 = get_user_by( 'id', $this->u2 );
+               $email = new BP_Email( 'fake_type' );
+               $email->set_to( array( $this->u1, $this->u2 ) );
+               $addresses = $email->get_to();
+
+               $this->assertCount( 2, $addresses );
+               $this->assertSame( $user1->user_email, $addresses[0]->get_address() );
+               $this->assertSame( $user2->user_email, $addresses[1]->get_address() );
+       }
+
+       public function test_multiple_recipients_are_supported() {
+               $user1 = get_user_by( 'id', $this->u1 );
+               $user2 = get_user_by( 'id', $this->u2 );
+               $user3 = 'test3@example.com';
+               $email = new BP_Email( 'fake_type' );
+
+               $email->set_to( array( $user1, $this->u2, $user3 ) );
+               $addresses = $email->get_to();
+
+               $this->assertCount( 3, $addresses );
+               $this->assertSame( $user1->user_email, $addresses[0]->get_address() );
+               $this->assertSame( $user2->user_email, $addresses[1]->get_address() );
+               $this->assertSame( $user3,             $addresses[2]->get_address() );
+       }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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