MailWatch: Quarantine list display doesn't work using PHP 8.1

[adri-k]

Issue summary

Quarantine doesn't display.

Steps to reproduce

1. Login to MailWatch
2. Press Quarantine in the main menu.

Expected result

A list of all dates with quarantined messages.

Actual result

Empty screen with a PHP error message in apache httpd-error.log.

Installation

Version and method

• MailWatch Version: [ stable 1.2.20 ]
• Install type: [ Zip/tarball install ]
• Updated from an older MailWatch or fresh install: [ Upgrade ] (from version [ 1.2.18 ])

Server configuration

• Operation System: [ FreeBSD ] version [ 13.1-RELEASE-p7 ]
• PHP version: [ 8.1 ]
• Database: [ MySQL ] version [ 5.7.40 ]
• Mail Server: [ Sendmail ]
• Used web server: [ Apache ] version [ 2,4,56 ]

Client configuration

• Operation System: [ Microsoft Windows ] version [ 11 ]
• Browser: [ Google Chrome 111.0.5563.65 ]

Solution

quarantine.php, line 156: $msg_ids = implode($items, ',');
This syntax is no longer valid , starting with php 8.1.
Change to: $msg_ids = implode(',', $items);