cron.php

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<?php
use Elgg\Values;

$cron_service = _elgg_services()->cron;
$periods = $cron_service->getConfiguredIntervals(true);

$in_widget = elgg_in_context('widgets');

$table_content = '';
foreach ($periods as $period) {
    $row = [];
    
    // name
    $row[] = elgg_format_element('td', [], elgg_echo("interval:{$period}"));
    
    // last completed (friendly) and full date
    $date = $cron_service->getLastCompletion($period);
    if (!elgg_is_empty($date)) {
        $row[] = elgg_format_element('td', [], elgg_view_friendly_time($date));
        $row[] = elgg_format_element('td', [], elgg_view('output/date', [
            'value' => $date,
            'format' => DATE_RFC2822,
        ]));
    } else {
        $row[] = elgg_format_element('td', [], elgg_echo('never'));
        $row[] = elgg_format_element('td', [], '&nbsp;');
    }

    // cron output
    $logs = $cron_service->getLogs($period);
    $msg_class = [];
    $log_output = '&nbsp;';
    if (!empty($logs)) {
        $log_output = '';
        
        foreach ($logs as $filename => $contents) {
            $matches = [];
            $result = preg_match('/(?<year>[0-9]{4})-(?<month>[0-9]{2})-(?<day>[0-9]{2})T(?<hour>[0-9]{2})-(?<minute>[0-9]{2})-(?<second>[0-9]{2})(?<offset>[-p])(?<offset_hour>[0-9]{2})-(?<offset_minute>[0-9]{2})\S+/', $filename, $matches);
            if (empty($result)) {
                // match on filename format failed or no match found
                continue;
            }
            
            if ($matches['offset'] === 'p') {
                $matches['offset'] = '+';
            }
            
            $date_string = "{$matches['year']}-{$matches['month']}-{$matches['day']}T{$matches['hour']}:{$matches['minute']}:{$matches['second']}{$matches['offset']}{$matches['offset_hour']}:{$matches['offset_minute']}";
            $date = Values::normalizeTime($date_string);
            
            $contents = nl2br($contents);
            $contents = elgg_format_element('div', [], $contents);
            
            $log_output .= elgg_view('output/url', [
                'icon' => 'info',
                'text' => !$in_widget ? $date->format(DATE_RFC2822) : false,
                'title' => elgg_echo('more_info'),
                'href' => "#{$period}-{$date->getTimestamp()}",
                'class' => ['elgg-lightbox'],
                'data-colorbox-opts' => json_encode(['html' => $contents]),
            ]);
            
            if ($in_widget) {
                $msg_class[] = 'center';
                break;
            }
            
            $log_output .= '<br />';
        }
    }
    
    $row[] = elgg_format_element('td', ['class' => $msg_class], $log_output);
    
    $table_content .= elgg_format_element('tr', [], implode(PHP_EOL, $row));
}

$header = elgg_format_element('th', [], elgg_echo('admin:cron:period'));
$header .= elgg_format_element('th', [], elgg_echo('admin:cron:friendly'));
$header .= elgg_format_element('th', [], elgg_echo('admin:cron:date'));
$header .= elgg_format_element('th', [], elgg_echo('admin:cron:msg'));
$header = elgg_format_element('tr', [], $header);
$header = elgg_format_element('thead', [], $header);

$table_content = elgg_format_element('tbody', [], $table_content);

echo elgg_format_element('table', ['class' => 'elgg-table'], $header . $table_content);