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