File Content: class-qode-optimizer-log.php <?php /** * Implementation of log procedures * * @package Qode */ if ( ! defined( 'ABSPATH' ) ) { // Exit if accessed directly. exit; } class Qode_Optimizer_Log { /** * Current log instance * * @var Qode_Optimizer_Log $instance */ private static Qode_Optimizer_Log $instance; // phpcs:ignore PHPCompatibility.Classes.NewTypedProperties.Found /** * Current log actions * * @var array $current_log */ private $current_log = array(); /** * Log file path * * @var string $log_file */ private $log_file = QODE_OPTIMIZER_LOGS_FOLDER_PATH . DIRECTORY_SEPARATOR . 'log.txt'; /** * Gets current log instance * * @return Qode_Optimizer_Log */ public static function get_instance() { if ( ! isset( static::$instance ) ) { static::$instance = new static(); } return static::$instance; } /** * Initialization */ public function init() { add_action( 'admin_action_qode_optimizer_open_system_log', array( $this, 'open_system_log' ) ); add_action( 'admin_action_qode_optimizer_download_system_log', array( $this, 'download_system_log' ) ); add_action( 'admin_action_qode_optimizer_delete_system_log', array( $this, 'delete_system_log' ) ); } /** * Qode_Optimizer_Log constructor */ public function __construct() { $filesystem = new Qode_Optimizer_Filesystem(); if ( ! $filesystem->is_file( $this->log_file ) ) { // alternative for PHP native touch function. $filesystem->touch( $this->log_file ); } // alternative for PHP native chmod function. $filesystem->chmod( $this->log_file, 0644 ); $this->init(); } /** * Adds logs actions * * @param mixed $log_entry * @param bool $heading */ public function add_log( $log_entry, $heading = false ) { if ( 'yes' === Qode_Optimizer_Options::get_option( 'enable_system_log' ) ) { if ( is_array( $log_entry ) ) { $log_entry = implode( ', ', $log_entry ); } else { $log_entry = (string) $log_entry; } if ( ! is_bool( $heading ) ) { $heading = false; } $data = ''; if ( ! $heading ) { $data .= gmdate( 'Y-m-d H:i:s' ) . ' -> '; } $data .= esc_html( $log_entry ) . PHP_EOL; $this->current_log[] = $data; } } /** * Writes logs actions in the log file * * @return bool */ public function write_log() { if ( 'yes' === Qode_Optimizer_Options::get_option( 'enable_system_log' ) && // WP_Filesystem methods don't have the alternative for PHP native file_put_contents FLAGS param, which is essential in our use case. file_put_contents( $this->log_file, implode( '', $this->current_log ), FILE_APPEND ) // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_file_put_contents ) { $this->current_log = array(); return true; } return false; } /** * Sets elapsed time checkpoint * * @param array $elapsed_time_params * * @return array */ public function set_elapsed_time_checkpoint( $elapsed_time_params ) { if ( is_array( $elapsed_time_params ) && Qode_Optimizer_Utility::multiple_array_keys_exist( array( 'current', 'local', 'total', ), $elapsed_time_params ) ) { $current_time = microtime( true ); $elapsed_time_params['local'] = $current_time - $elapsed_time_params['current']; $elapsed_time_params['total'] += $elapsed_time_params['local']; $elapsed_time_params['current'] = $current_time; $this->add_log( 'Elapsed time for this session: ' . number_format( $elapsed_time_params['local'], 4 ) . 's', true ); $elapsed_time_params['local'] = 0.0; } else { $current_time = microtime( true ); $elapsed_time_params = array( 'current' => $current_time, 'local' => 0.0, 'total' => 0.0, ); } return $elapsed_time_params; } /** * Opens log */ public function open_system_log() { if ( current_user_can( 'activate_plugins' ) ) { $filesystem = new Qode_Optimizer_Filesystem(); if ( $filesystem->is_file( $this->log_file ) ) { ob_end_clean(); header( 'Content-Type: text/plain;charset=UTF-8' ); // WP_Filesystem methods don't have the alternative for PHP native readfile function. readfile( $this->log_file ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_readfile exit; } wp_die( esc_html__( 'The system Log is empty.', 'qode-optimizer' ) ); } wp_die( esc_html__( 'Access denied.', 'qode-optimizer' ) ); } /** * Downloads log */ public function download_system_log() { if ( current_user_can( 'activate_plugins' ) ) { $filesystem = new Qode_Optimizer_Filesystem(); if ( $filesystem->is_file( $this->log_file ) ) { ob_end_clean(); header( 'Content-Description: File Transfer' ); header( 'Content-Type: text/plain;charset=UTF-8' ); header( 'Content-Disposition: attachment; filename=qode_optimizer_system_log_on_' . gmdate( 'Y_m_d__H_i_s' ) . '.txt' ); header( 'Expires: 0' ); header( 'Cache-Control: must-revalidate' ); header( 'Pragma: public' ); header( 'Content-Length: ' . filesize( $this->log_file ) ); // WP_Filesystem methods don't have the alternative for PHP native readfile function. readfile( $this->log_file ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_readfile exit; } wp_die( esc_html__( 'The system Log is empty.', 'qode-optimizer' ) ); } wp_die( esc_html__( 'Access denied.', 'qode-optimizer' ) ); } /** * Deletes log */ public function delete_system_log() { if ( current_user_can( 'activate_plugins' ) ) { $filesystem = new Qode_Optimizer_Filesystem(); if ( $filesystem->is_file( $this->log_file ) && $filesystem->is_writable( $this->log_file ) ) { wp_delete_file( $this->log_file ); } $redirect_url = add_query_arg( array( 'page' => 'qode_optimizer_log', 'deleted_log' => 'success', 'qo_nonce' => wp_create_nonce( 'qo-nonce' ), ), admin_url( 'admin.php' ) ); wp_safe_redirect( $redirect_url ); exit; } wp_die( esc_html__( 'Access denied.', 'qode-optimizer' ) ); } } Submit