Filters the wp_mail() arguments.

Parameters

$argsarray

Array of the wp_mail() arguments.

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

More Information

• 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.

Source

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

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