Helen Hou-Sandí dab566d973 Mail: Set a better error code when triggering wp_mail_failed. ...

This error code is now... wait for it... `wp_mail_failed`. Previously, this would have been the originating PHPMailer error code, which could be `0`, which would then fail (pass?) the `empty()` check in the `WP_Error` constructor, thereby rendering the error object fairly useless. The PHPMailer error code is now located within the `WP_Error` data.

props Kau-Boy, stephenharris.
fixes #35598.

Built from https://develop.svn.wordpress.org/trunk@39086


git-svn-id: http://core.svn.wordpress.org/trunk@39028 1a063a9b-81f0-0310-95a4-ce76da25c4cd

2016-11-02 04:27:34 +00:00

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