imap_sort

(PHP 4, PHP 5, PHP 7, PHP 8)

imap_sort — Gets and sort messages

说明

imap_sort ( resource $imap , int $criteria , bool $reverse , int $flags = 0 , string|null $search_criteria = null , string|null $charset = null ) : array|false

Gets and sorts message numbers by the given parameters.

参数

imap

由 imap_open() 返回的 IMAP 流。

criteria

Criteria can be one (and only one) of the following:

  • SORTDATE - message Date
  • SORTARRIVAL - arrival date
  • SORTFROM - mailbox in first From address
  • SORTSUBJECT - message subject
  • SORTTO - mailbox in first To address
  • SORTCC - mailbox in first cc address
  • SORTSIZE - size of message in octets

reverse

Whether to sort in reverse order.

flags

The flags are a bitmask of one or more of the following:

  • SE_UID - Return UIDs instead of sequence numbers
  • SE_NOPREFETCH - Don't prefetch searched messages

search_criteria

IMAP2-format search criteria string. For details see imap_search().

charset

MIME character set to use when sorting strings.

返回值

Returns an array of message numbers sorted by the given parameters, 或者在失败时返回 false.

更新日志

版本 说明
8.0.0 reverse is now bool instead of int.
8.0.0 search_criteria and charset are now nullable.