85 lines
1.9 KiB
PHP
85 lines
1.9 KiB
PHP
<?php
|
|
|
|
namespace Smush\Core;
|
|
|
|
class Server_Utils {
|
|
/**
|
|
* @var string
|
|
*/
|
|
private $mysql_version;
|
|
|
|
public function get_server_type() {
|
|
if ( empty( $_SERVER['SERVER_SOFTWARE'] ) ) {
|
|
return '';
|
|
}
|
|
|
|
$server_software = wp_unslash( $_SERVER['SERVER_SOFTWARE'] );
|
|
if ( ! is_array( $server_software ) ) {
|
|
$server_software = array( $server_software );
|
|
}
|
|
|
|
$server_software = array_map( 'strtolower', $server_software );
|
|
$is_nginx = $this->array_has_needle( $server_software, 'nginx' );
|
|
if ( $is_nginx ) {
|
|
return 'nginx';
|
|
}
|
|
|
|
$is_apache = $this->array_has_needle( $server_software, 'apache' );
|
|
if ( $is_apache ) {
|
|
return 'apache';
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
public function get_memory_limit() {
|
|
if ( function_exists( 'ini_get' ) ) {
|
|
$memory_limit = ini_get( 'memory_limit' );
|
|
} else {
|
|
// Sensible default.
|
|
$memory_limit = '128M';
|
|
}
|
|
|
|
if ( ! $memory_limit || - 1 === $memory_limit ) {
|
|
// Unlimited, set to 32GB.
|
|
$memory_limit = '32000M';
|
|
}
|
|
|
|
return intval( $memory_limit ) * 1024 * 1024;
|
|
}
|
|
|
|
public function get_memory_usage() {
|
|
return memory_get_usage( true );
|
|
}
|
|
|
|
private function array_has_needle( $array, $needle ) {
|
|
foreach ( $array as $item ) {
|
|
if ( strpos( $item, $needle ) !== false ) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
public function get_mysql_version() {
|
|
if ( ! $this->mysql_version ) {
|
|
global $wpdb;
|
|
/**
|
|
* MariaDB version prefix 5.5.5- is not stripped when using $wpdb->db_version() to get the DB version:
|
|
* https://github.com/php/php-src/issues/7972
|
|
*/
|
|
$this->mysql_version = $wpdb->get_var( 'SELECT VERSION()' );
|
|
}
|
|
return $this->mysql_version;
|
|
}
|
|
|
|
public function get_max_execution_time() {
|
|
return (int) ini_get( 'max_execution_time' );
|
|
}
|
|
|
|
public function get_user_agent() {
|
|
return ! empty( $_SERVER['HTTP_USER_AGENT'] ) ? wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) : '';
|
|
}
|
|
}
|