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<?php
if (!defined('WPO_VERSION')) die('No direct access allowed');
class WP_Optimization_transient extends WP_Optimization {
public $available_for_auto = true;
public $available_for_saving = true;
public $auto_default = false;
public $ui_sort_order = 5000;
public $run_multisite = true;
public $support_preview = true;
private $found_count_all = 0;
/**
* Prepare data for preview widget.
*
* @param array $params
*
* @return array
*/
public function preview($params) {
// get type of data for return single site or multisite.
$type = isset($params['type']) && 'multisite' == $params['type'] ? 'multisite' : 'single';
// set remove_all_transients for correctly handling "all" checkbox for preview transients.
if (isset($params['remove_all_transients'])) {
$this->data['remove_all_transients'] = $params['remove_all_transients'];
}
// get data requested for preview.
if ('single' == $type) {
$sql = $this->wpdb->prepare("
SELECT
a.option_id,
a.option_name,
SUBSTR(a.option_value, 1, 128) as option_value
FROM
" . $this->wpdb->options . " a
LEFT JOIN
" . $this->wpdb->options . " b
ON
b.option_name = CONCAT(
'_transient_timeout_',
SUBSTRING(
a.option_name,
CHAR_LENGTH('_transient_') + 1
)
)
WHERE
a.option_name LIKE '_transient_%' AND
a.option_name NOT LIKE '_transient_timeout_%'
". ($this->remove_only_expired() ? " AND b.option_value < UNIX_TIMESTAMP()" : "").
" ORDER BY a.option_id LIMIT %d, %d;",
array(
$params['offset'],
$params['limit'],
)
);
$sql_count = "
SELECT
COUNT(*)
FROM
" . $this->wpdb->options . " a
LEFT JOIN
" . $this->wpdb->options . " b
ON
b.option_name = CONCAT(
'_transient_timeout_',
SUBSTRING(
a.option_name,
CHAR_LENGTH('_transient_') + 1
)
)
WHERE
a.option_name LIKE '_transient_%'
". ($this->remove_only_expired() ? " AND b.option_value < UNIX_TIMESTAMP()" : "");
} else {
$sql = $this->wpdb->prepare("
SELECT
a.meta_id,
a.meta_key,
SUBSTR(a.meta_value, 1, 128) as meta_value
FROM
".$this->wpdb->sitemeta." a
LEFT JOIN
".$this->wpdb->sitemeta." b
ON
b.meta_key = CONCAT(
'_site_transient_timeout_',
SUBSTRING(
a.meta_key,
CHAR_LENGTH('_site_transient_') + 1
)
)
WHERE
a.meta_key LIKE '_site_transient_%' AND
a.meta_key NOT LIKE '_site_transient_timeout_%'
".($this->remove_only_expired() ? " AND b.meta_value < UNIX_TIMESTAMP()" : "").
" ORDER BY a.meta_id LIMIT %d, %d;",
array(
$params['offset'],
$params['limit'],
)
);
$sql_count = "
SELECT
COUNT(*)
FROM
".$this->wpdb->sitemeta." a
LEFT JOIN ".$this->wpdb->sitemeta." b
ON
b.meta_key = CONCAT(
'_site_transient_timeout_',
SUBSTRING(
a.meta_key,
CHAR_LENGTH('_site_transient_') + 1
)
)
WHERE
a.meta_key LIKE '_site_transient_%' AND
a.meta_key NOT LIKE '_site_transient_timeout_%'
".($this->remove_only_expired() ? " AND b.meta_value < UNIX_TIMESTAMP()" : "");
}
$posts = $this->wpdb->get_results($sql, ARRAY_A);
$total = $this->wpdb->get_var($sql_count);
// define columns array depends on source type of request.
if ('single' == $type) {
$columns = array(
'option_id' => __('ID', 'wp-optimize'),
'option_name' => __('Name', 'wp-optimize'),
'option_value' => __('Value', 'wp-optimize'),
);
} else {
$columns = array(
'meta_id' => __('ID', 'wp-optimize'),
'meta_key' => __('Name', 'wp-optimize'),
'meta_value' => __('Value', 'wp-optimize'),
);
}
return array(
'id_key' => ('single' == $type) ? 'option_id' : 'meta_id',
'columns' => $columns,
'offset' => $params['offset'],
'limit' => $params['limit'],
'total' => $total,
'data' => $this->htmlentities_array($posts, array('option_id', 'meta_id')),
'message' => $total > 0 ? '' : __('No transient options found', 'wp-optimize'),
);
}
/**
* Do actions before optimize() function.
*/
public function before_optimize() {
$this->processed_count = 0;
}
/**
* Do actions after optimize() function.
*/
public function after_optimize() {
$message = sprintf(_n('%s transient option deleted', '%s transient options deleted', $this->processed_count, 'wp-optimize'), number_format_i18n($this->processed_count));
if ($this->is_multisite_mode()) {
$message .= ' ' . sprintf(_n('across %s site', 'across %s sites', count($this->blogs_ids), 'wp-optimize'), count($this->blogs_ids));
}
$this->logger->info($message);
$this->register_output($message);
// Delete transients from multisite, if configured as such.
if (is_multisite() && is_main_network()) {
if (isset($this->data['ids'])) {
// clean timeouts rows by transient option ids, before deleting transients.
// this is done for correct counting deleted transient options.
$clean2_timeouts = "
DELETE
b
FROM
" . $this->wpdb->sitemeta . " a
LEFT JOIN " . $this->wpdb->sitemeta . " b
ON
b.meta_key = CONCAT(
'_site_transient_timeout_',
SUBSTRING(
a.meta_key,
CHAR_LENGTH('_site_transient_') + 1
)
)
WHERE
a.meta_id IN (".join(',', $this->data['ids']).")";
// run clean timeouts query.
$this->query($clean2_timeouts);
// reset clean timeouts query to avoid future run.
$clean2_timeouts = '';
// clean transients rows by id.
$clean2 = "
DELETE
a
FROM
" . $this->wpdb->sitemeta . " a
WHERE
a.meta_id IN (".join(',', $this->data['ids']).")
". ($this->remove_only_expired() ? " AND b.option_value < UNIX_TIMESTAMP()" : "");
} else {
$clean2 = "
DELETE
a
FROM
".$this->wpdb->sitemeta." a, ".$this->wpdb->sitemeta." b
WHERE
a.meta_key LIKE '_site_transient_%' AND
a.meta_key NOT LIKE '_site_transient_timeout_%' AND
b.meta_key = CONCAT(
'_site_transient_timeout_',
SUBSTRING(
a.meta_key,
CHAR_LENGTH('_site_transient_') + 1
)
)
".($this->remove_only_expired() ? " AND b.meta_value < UNIX_TIMESTAMP()" : "");
$clean2_timeouts = "
DELETE
b
FROM
" . $this->wpdb->options . " b
WHERE
b.option_name LIKE '_site_transient_timeout_%'
".($this->remove_only_expired() ? " AND b.option_value < UNIX_TIMESTAMP()" : "");
}
$sitemeta_table_transients_deleted = $this->query($clean2);
if ('' != $clean2_timeouts) $this->query($clean2_timeouts);
$message2 = sprintf(_n('%s network-wide transient option deleted', '%s network-wide transient options deleted', $sitemeta_table_transients_deleted, 'wp-optimize'), number_format_i18n($sitemeta_table_transients_deleted));
$this->logger->info($message2);
$this->register_output($message2);
}
}
/**
* Optimize transients options
*/
public function optimize() {
// if posted ids then build sql queries for deleting selected data.
if (isset($this->data['ids'])) {
// clean timeouts rows by transient option ids, before deleting transients.
// this is done for correct counting deleted transient options.
$clean_timeouts = "
DELETE
b
FROM
" . $this->wpdb->options . " a
LEFT JOIN " . $this->wpdb->options . " b
ON
b.option_name = CONCAT(
'_transient_timeout_',
SUBSTRING(
a.option_name,
CHAR_LENGTH('_transient_') + 1
)
)
WHERE
a.option_id IN (".join(',', $this->data['ids']).")";
// run clean timeouts query.
$this->query($clean_timeouts);
// reset clean timeouts query to avoid future run.
$clean_timeouts = '';
// clean transients rows by id.
$clean = "
DELETE
a
FROM
" . $this->wpdb->options . " a
WHERE
a.option_id IN (".join(',', $this->data['ids']).")
". ($this->remove_only_expired() ? " AND b.option_value < UNIX_TIMESTAMP()" : "");
} else {
// clean transients rows.
$clean = "
DELETE
a
FROM
" . $this->wpdb->options . " a
LEFT JOIN " . $this->wpdb->options . " b
ON
b.option_name = CONCAT(
'_transient_timeout_',
SUBSTRING(
a.option_name,
CHAR_LENGTH('_transient_') + 1
)
)
WHERE
a.option_name LIKE '_transient_%' AND
a.option_name NOT LIKE '_transient_timeout_%'
". ($this->remove_only_expired() ? " AND b.option_value < UNIX_TIMESTAMP()" : "");
// clean transient timeouts rows.
$clean_timeouts = "
DELETE
b
FROM
" . $this->wpdb->options . " b
WHERE
b.option_name LIKE '_transient_timeout_%'
".($this->remove_only_expired() ? " AND b.option_value < UNIX_TIMESTAMP()" : "");
}
// run clean transients query and get count of deleted rows.
$options_table_transients_deleted = $this->query($clean);
$this->processed_count += $options_table_transients_deleted;
if ('' != $clean_timeouts) $this->query($clean_timeouts);
}
/**
* Do actions before get_info() function.
*/
public function before_get_info() {
$this->found_count = 0;
$this->found_count_all = 0;
}
/**
* Do actions after get_info() function.
*/
public function after_get_info() {
if (is_multisite() && is_main_network()) {
$sitemeta_table_sql = "
SELECT
COUNT(*)
FROM
".$this->wpdb->sitemeta." a
LEFT JOIN
".$this->wpdb->sitemeta." b
ON
b.meta_key = CONCAT(
'_site_transient_timeout_',
SUBSTRING(
a.meta_key,
CHAR_LENGTH('_site_transient_') + 1
)
)
WHERE
a.meta_key LIKE '_site_transient_%' AND
a.meta_key NOT LIKE '_site_transient_timeout_%'";
$expired_suffix_sql = " AND b.meta_value < UNIX_TIMESTAMP()";
// get count of expired transients.
$sitemeta_table_transients = $this->wpdb->get_var($sitemeta_table_sql . $expired_suffix_sql);
// get count of all transients.
$sitemeta_table_transients_all = $this->wpdb->get_var($sitemeta_table_sql);
} else {
$sitemeta_table_transients = 0;
$sitemeta_table_transients_all = 0;
}
if ($this->found_count_all > 0) {
$message = sprintf(_n('%1$d of %2$d transient option expired', '%1$d of %2$d transient options expired', $this->found_count_all, 'wp-optimize'), number_format_i18n($this->found_count), number_format_i18n($this->found_count_all));
} else {
$message = __('No transient options found', 'wp-optimize');
}
if ($this->is_multisite_mode()) {
$message .= ' ' . sprintf(_n('across %d site', 'across %d sites', count($this->blogs_ids), 'wp-optimize'), count($this->blogs_ids));
}
// add preview link to $message.
if ($this->found_count_all > 0) {
$message = $this->get_preview_link($message, array('data-type' => 'single'));
}
$this->register_output($message);
if ($this->is_multisite_mode()) {
if ($sitemeta_table_transients_all > 0) {
$message2 = sprintf(_n('%1$d of %2$d network-wide transient option found', '%1$d of %2$d network-wide transient options found', $sitemeta_table_transients_all, 'wp-optimize'), number_format_i18n($sitemeta_table_transients), number_format_i18n($sitemeta_table_transients_all));
$message2 = $this->get_preview_link($message2, array('data-type' => 'multisite'));
} else {
$message2 = __('No site-wide transient options found', 'wp-optimize');
}
$this->register_output($message2);
}
// If any kind of transients exists then
if ($this->found_count_all > 0 || ($sitemeta_table_transients + $sitemeta_table_transients_all > 0)) {
$remove_all_transients = $this->options->get_option('remove_all_transients', 'false');
$this->register_output('<input id="remove_all_transients" name="remove_all_transients" type="checkbox" value="true" '.checked($remove_all_transients, 'true').'><label for="remove_all_transients" style="color: inherit;">'.__('Remove all transient options (not only expired)', 'wp-optimize').'</label>');
}
}
/**
* Returns info about possibility to optimize transient options.
*/
public function get_info() {
$blogs = $this->get_optimization_blogs();
foreach ($blogs as $blog_id) {
$this->switch_to_blog($blog_id);
$options_table_sql = "
SELECT
COUNT(*)
FROM
" . $this->wpdb->options . " a
LEFT JOIN
" . $this->wpdb->options . " b
ON
b.option_name = CONCAT(
'_transient_timeout_',
SUBSTRING(
a.option_name,
CHAR_LENGTH('_transient_') + 1
)
)
WHERE
a.option_name LIKE '_transient_%' AND
a.option_name NOT LIKE '_transient_timeout_%'
";
$expired_suffix_sql = " AND b.option_value < UNIX_TIMESTAMP()";
// get count of expired transients.
$options_table_transients = $this->wpdb->get_var($options_table_sql . $expired_suffix_sql);
$this->found_count += $options_table_transients;
// get count of all transients.
$options_table_transients = $this->wpdb->get_var($options_table_sql);
$this->found_count_all += $options_table_transients;
$this->restore_current_blog();
}
}
public function settings_label() {
return __('Remove expired transient options', 'wp-optimize');
}
public function get_auto_option_description() {
return __('Remove expired transient options', 'wp-optimize');
}
/**
* Check optimization param and return true if we should remove only expired transients.
*
* @return bool
*/
private function remove_only_expired() {
if (isset($this->data['remove_all_transients']) && 'true' == $this->data['remove_all_transients']) {
return false;
}
return true;
}
}
|