Filters the wp_mail() arguments.

$args array

Array of the wp_mail() arguments.

• tostring|string[]
  Array or comma-separated list of email addresses to send message.
• subjectstring
  Email subject.
• messagestring
  Message contents.
• headersstring|string[]
  Additional headers.
• attachmentsstring|string[]
  Paths to files to attach.

• The wp_mail filter hook allows you to filter the arguments that are passed to the wp_mail() function. The arguments for wp_mail() are passed through the filter as an array.
• $attachments should be an array. If it is not, it will be converted to one by the wp_mail function after the filter.

File: wp-includes/pluggable.php. View all references

$atts = apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers', 'attachments' ) );