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imap_sort
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imap_sort

Name

imap_sort — Returns an array of messages sorted by the specified method.

Synopsis

array imap_sort(connection, sortcriteria, reversesort, options); int connection: IMAP connection ID int sortcriteria: A sorting criteria int reversesort: Reverses the sorting order int options: Flags allowing additional functionality

Returns

An array of messages; FALSE on error

Description

Sorts messages in the current mailbox. reversesort is a simple 0 for normal or 1 for reverse sorting.

Possible values for sortcriteria are: SORTDATE, SORTARRIVAL, SORTFROM, SORTSUBJECT, SORTTO, SORTCC, SORTSIZE. Only one option can be used.

options can be SE_UID to return the message UID rather then the message ID nd SE_NOPREFETCH to not prefetch sorted messages.

Version

From versions 3.0.3 and 4.0

Example

Example 620. Sort messages by subject

<?php
$imap = imap_open("{localhost}INBOX","graeme","inferno");

// get number of messages in INBOX
$number = imap_num_msg($imap);

// display unsorted messages
echo "Unsorted<BR>\n";
for ($i=1; $i<=$number; $i++) {
   $header = imap_header($imap, $i);
   echo "Subject: ", $header->Subject, "<BR>\n";

}

// sort the messages by subject
$sorted = imap_sort($imap, SORTSUBJECT, 0);

// display again
echo "Sorted:<BR>\n";
for ($i=0; $i<count($sorted); $i++) {
   $header = imap_header($imap, $sorted[$i]);
   echo "Subject: ", $header->Subject, "<BR>\n";

}

imap_close($imap);
?>

Output
Unsorted:
First message
Second message
A message

Sorted:
A message
First message
Second message

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