caching.php

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<?php
// simple cache
$is_simple_cache_on = (bool)elgg_get_config('simplecache_enabled');
$simple_cache_disabled_class = $is_simple_cache_on ? '' : 'elgg-state-disabled';

$params = array(
    'label' => elgg_echo('installation:simplecache:label'),
    'name' => 'simplecache_enabled',
    'checked' => $is_simple_cache_on,
);
if ($GLOBALS['_ELGG']->simplecache_enabled_in_settings) {
    $params['class'] = 'elgg-state-disabled';
    $params['label_class'] = 'elgg-state-disabled';
}
$simple_cache_input = elgg_view("input/checkbox", $params);
$simple_cache_warning = '';

if ($GLOBALS['_ELGG']->simplecache_enabled_in_settings) {
    $warning = elgg_echo('admin:settings:in_settings_file');
    $simple_cache_warning .= "<span class=\"elgg-text-help\">$warning</span>";
}

$cache_symlinked = _elgg_is_cache_symlinked();
$params = array(
    'label' => elgg_echo('installation:cache_symlink:label'),
    'name' => 'cache_symlink_enabled',
    'checked' => $cache_symlinked,
    'class' => $simple_cache_disabled_class,
    'label_class' => $simple_cache_disabled_class,
);
$symlink_warning = '';
if ($cache_symlinked) {
    $params['class'] = 'elgg-state-disabled';
    $params['label_class'] = 'elgg-state-disabled';
}
$symlink_input .= elgg_view("input/checkbox", $params);
if ($cache_symlinked) {
    $symlink_warning .= elgg_format_element('span', ['class' => 'elgg-text-help'], elgg_echo('installation:cache_symlink:warning'));
}
$symlink_source = elgg_get_root_path() . 'cache/';
$symlink_target = elgg_get_cache_path() . 'views_simplecache/';
$symlink_paths_help = elgg_echo('installation:cache_symlink:paths', [$symlink_source, $symlink_target]);
$symlink_warning .= elgg_format_element('span', ['class' => 'elgg-text-help'], $symlink_paths_help);

// minify
$minify_js_input = elgg_view("input/checkbox", array(
    'label' => elgg_echo('installation:minify_js:label'),
    'name' => 'simplecache_minify_js',
    'checked' => (bool)elgg_get_config('simplecache_minify_js'),
    'label_class' => $simple_cache_disabled_class,
));

$minify_css_input = elgg_view("input/checkbox", array(
    'label' => elgg_echo('installation:minify_css:label'),
    'name' => 'simplecache_minify_css',
    'checked' => (bool)elgg_get_config('simplecache_minify_css'),
    'label_class' => $simple_cache_disabled_class,
));

$system_cache_input = elgg_view("input/checkbox", array(
    'label' => elgg_echo('installation:systemcache:label'),
    'name' => 'system_cache_enabled',
    'checked' => elgg_is_system_cache_enabled(),
))

?>
<fieldset class="elgg-fieldset" id="elgg-settings-advanced-caching">
    <legend><?php echo elgg_echo('admin:legend:caching'); ?></legend>
    
    <div>
        <?php echo $simple_cache_input; ?>
        <p class="elgg-text-help"><?php echo elgg_echo('installation:simplecache:description'); ?></p>
        <?php echo $simple_cache_warning; ?>
    </div>
    <div>
        <?php echo $symlink_input; ?>
        <p class="elgg-text-help"><?php echo elgg_echo('installation:cache_symlink:description'); ?></p>
        <?php echo $symlink_warning; ?>
    </div>
    <div>
        <p><?php echo elgg_echo('installation:minify:description'); ?></p>
        <?php echo $minify_js_input; ?><br />
        <?php echo $minify_css_input; ?>
    </div>
    
    <div>
        <?php echo $system_cache_input; ?>
        <p class="elgg-text-help"><?php echo elgg_echo('installation:systemcache:description'); ?></p>
    </div>
    
</fieldset>