function blc_print_installation_errors()
{
global $blc_config_manager, $wpdb;
/** @var wpdb $wpdb */
if ($blc_config_manager->options['installation_complete']) {
return;
}
$messages = array('<strong>' . __('Broken Link Checker installation failed. Try deactivating and then reactivating the plugin.', 'broken-link-checker') . '</strong>');
if (!$blc_config_manager->db_option_loaded) {
$messages[] = sprintf('<strong>Failed to load plugin settings from the "%s" option.</strong>', $blc_config_manager->option_name);
$messages[] = '';
$serialized_config = $wpdb->get_var(sprintf('SELECT option_value FROM `%s` WHERE option_name = "%s"', $wpdb->options, $blc_config_manager->option_name));
if ($serialized_config === null) {
$messages[] = "Option doesn't exist in the {$wpdb->options} table.";
} else {
$messages[] = "Option exists in the {$wpdb->options} table and has the following value:";
$messages[] = '';
$messages[] = '<textarea cols="120" rows="20">' . htmlentities($serialized_config) . '</textarea>';
}
} else {
$logger = new blcCachedOptionLogger('blc_installation_log');
$messages = array_merge($messages, array('installation_complete = ' . (isset($blc_config_manager->options['installation_complete']) ? intval($blc_config_manager->options['installation_complete']) : 'no value'), 'installation_flag_cleared_on = ' . $blc_config_manager->options['installation_flag_cleared_on'], 'installation_flag_set_on = ' . $blc_config_manager->options['installation_flag_set_on'], '', '<em>Installation log follows :</em>'), $logger->get_messages());
}
echo "<div class='error'><p>", implode("<br>\n", $messages), "</p></div>";
}
<?php
global $blclog, $blc_config_manager, $wpdb;
$queryCnt = $wpdb->num_queries;
//Completing the installation/upgrade is required for the plugin to work, so make sure
//the script doesn't get aborted by (for example) the browser timing out.
set_time_limit(300);
//5 minutes should be plenty, anything more would probably indicate an infinite loop or a deadlock
ignore_user_abort(true);
//Log installation progress to a DB option
$blclog = new blcCachedOptionLogger('blc_installation_log');
register_shutdown_function(array(&$blclog, 'save'));
//Make sure the log is saved even if the plugin crashes
$blclog->clear();
$blclog->info(sprintf('Plugin activated at %s.', date_i18n('Y-m-d H:i:s')));
$activation_start = microtime(true);
//Reset the "installation_complete" flag
$blc_config_manager->options['installation_complete'] = false;
$blc_config_manager->options['installation_flag_cleared_on'] = date('c') . ' (' . microtime(true) . ')';
//Note the time of the first installation (not very accurate, but still useful)
if (empty($blc_config_manager->options['first_installation_timestamp'])) {
$blc_config_manager->options['first_installation_timestamp'] = time();
}
$blc_config_manager->save_options();
$blclog->info('Installation/update begins.');
//Load the base classes and utilities
require_once BLC_DIRECTORY . '/includes/links.php';
require_once BLC_DIRECTORY . '/includes/link-query.php';
require_once BLC_DIRECTORY . '/includes/instances.php';
require_once BLC_DIRECTORY . '/includes/utility-class.php';
//Load the module subsystem
function blc_print_installation_errors()
{
global $blc_config_manager;
if ($blc_config_manager->options['installation_complete']) {
return;
}
$logger = new blcCachedOptionLogger('blc_installation_log');
$messages = array_merge(array('<strong>' . __('Broken Link Checker installation failed. Try deactivating and then reactivating the plugin.', 'broken-link-checker') . '</strong>', '', '<em>Installation log follows :</em>'), $logger->get_messages());
echo "<div class='error'><p>", implode("<br>\n", $messages), "</p></div>";
}
/**
* Collect various debugging information and return it in an associative array
*
* @return array
*/
function get_debug_info()
{
/** @var wpdb $wpdb */
global $wpdb;
//Collect some information that's useful for debugging
$debug = array();
//PHP version. Any one is fine as long as WP supports it.
$debug[__('PHP version', 'broken-link-checker')] = array('state' => 'ok', 'value' => phpversion());
//MySQL version
$debug[__('MySQL version', 'broken-link-checker')] = array('state' => 'ok', 'value' => $wpdb->db_version());
//CURL presence and version
if (function_exists('curl_version')) {
$version = curl_version();
if (version_compare($version['version'], '7.16.0', '<=')) {
$data = array('state' => 'warning', 'value' => $version['version'], 'message' => __('You have an old version of CURL. Redirect detection may not work properly.', 'broken-link-checker'));
} else {
$data = array('state' => 'ok', 'value' => $version['version']);
}
} else {
$data = array('state' => 'warning', 'value' => __('Not installed', 'broken-link-checker'));
}
$debug[__('CURL version', 'broken-link-checker')] = $data;
//Snoopy presence
if (class_exists('Snoopy') || file_exists(ABSPATH . WPINC . '/class-snoopy.php')) {
$data = array('state' => 'ok', 'value' => __('Installed', 'broken-link-checker'));
} else {
//No Snoopy? This should never happen, but if it does we *must* have CURL.
if (function_exists('curl_init')) {
$data = array('state' => 'ok', 'value' => __('Not installed', 'broken-link-checker'));
} else {
$data = array('state' => 'error', 'value' => __('Not installed', 'broken-link-checker'), 'message' => __('You must have either CURL or Snoopy installed for the plugin to work!', 'broken-link-checker'));
}
}
$debug['Snoopy'] = $data;
//Safe_mode status
if (blcUtility::is_safe_mode()) {
$debug['Safe mode'] = array('state' => 'warning', 'value' => __('On', 'broken-link-checker'), 'message' => __('Redirects may be detected as broken links when safe_mode is on.', 'broken-link-checker'));
} else {
$debug['Safe mode'] = array('state' => 'ok', 'value' => __('Off', 'broken-link-checker'));
}
//Open_basedir status
if (blcUtility::is_open_basedir()) {
$debug['open_basedir'] = array('state' => 'warning', 'value' => sprintf(__('On ( %s )', 'broken-link-checker'), ini_get('open_basedir')), 'message' => __('Redirects may be detected as broken links when open_basedir is on.', 'broken-link-checker'));
} else {
$debug['open_basedir'] = array('state' => 'ok', 'value' => __('Off', 'broken-link-checker'));
}
//Default PHP execution time limit
$debug['Default PHP execution time limit'] = array('state' => 'ok', 'value' => sprintf(__('%s seconds'), ini_get('max_execution_time')));
//Resynch flag.
$debug['Resynch. flag'] = array('state' => 'ok', 'value' => sprintf('%d', $this->conf->options['need_resynch'] ? '1 (resynch. required)' : '0 (resynch. not required)'));
//Synch records
$synch_records = intval($wpdb->get_var("SELECT COUNT(*) FROM {$wpdb->prefix}blc_synch"));
$data = array('state' => 'ok', 'value' => sprintf('%d', $synch_records));
if ($synch_records == 0) {
$data['state'] = 'warning';
$data['message'] = __('If this value is zero even after several page reloads you have probably encountered a bug.', 'broken-link-checker');
}
$debug['Synch. records'] = $data;
//Total links and instances (including invalid ones)
$all_links = intval($wpdb->get_var("SELECT COUNT(*) FROM {$wpdb->prefix}blc_links"));
$all_instances = intval($wpdb->get_var("SELECT COUNT(*) FROM {$wpdb->prefix}blc_instances"));
//Show the number of unparsed containers. Useful for debugging. For performance,
//this is only shown when we have no links/instances yet.
if ($all_links == 0 && $all_instances == 0) {
$unparsed_items = intval($wpdb->get_var("SELECT COUNT(*) FROM {$wpdb->prefix}blc_synch WHERE synched=0"));
$debug['Unparsed items'] = array('state' => 'warning', 'value' => $unparsed_items);
}
//Links & instances
if ($all_links > 0 && $all_instances > 0) {
$debug['Link records'] = array('state' => 'ok', 'value' => sprintf('%d (%d)', $all_links, $all_instances));
} else {
$debug['Link records'] = array('state' => 'warning', 'value' => sprintf('%d (%d)', $all_links, $all_instances));
}
//Installation log
$logger = new blcCachedOptionLogger('blc_installation_log');
$installation_log = $logger->get_messages();
if (!empty($installation_log)) {
$debug['Installation log'] = array('state' => $this->conf->options['installation_complete'] ? 'ok' : 'error', 'value' => implode("<br>\n", $installation_log));
} else {
$debug['Installation log'] = array('state' => 'warning', 'value' => 'No installation log found found.');
}
return $debug;
}
<?php
global $blclog, $blc_config_manager, $wpdb;
$queryCnt = $wpdb->num_queries;
//Completing the installation/upgrade is required for the plugin to work, so make sure
//the script doesn't get aborted by (for example) the browser timing out.
set_time_limit(300);
//5 minutes should be plenty, anything more would probably indicate an infinite loop or a deadlock
ignore_user_abort(true);
//Log installation progress to a DB option
$blclog = new blcCachedOptionLogger('blc_installation_log');
register_shutdown_function(array(&$blclog, 'save'));
//Make sure the log is saved even if the plugin crashes
$blclog->clear();
$blclog->info(sprintf('Plugin activated at %s.', date_i18n('Y-m-d H:i:s')));
//Reset the "installation_complete" flag
$blc_config_manager->options['installation_complete'] = false;
$blc_config_manager->options['installation_flag_cleared_on'] = date('c') . ' (' . microtime(true) . ')';
//Note the time of the first installation (not very accurate, but still useful)
if (empty($blc_config_manager->options['first_installation_timestamp'])) {
$blc_config_manager->options['first_installation_timestamp'] = time();
}
$blc_config_manager->save_options();
$blclog->info('Installation/update begins.');
//Load the base classes and utilities
require_once BLC_DIRECTORY . '/includes/links.php';
require_once BLC_DIRECTORY . '/includes/link-query.php';
require_once BLC_DIRECTORY . '/includes/instances.php';
require_once BLC_DIRECTORY . '/includes/utility-class.php';
//Load the module subsystem
require_once BLC_DIRECTORY . '/includes/modules.php';
