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bench.php
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bench.php
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<?php
/*
################################################################################
# PHP Benchmark Performance Script #
# 2010 Code24 BV #
# 2015-2023 Rusoft #
# #
# Author : Alessandro Torrisi #
# Company : Code24 BV, The Netherlands #
# Author : Sergey Dryabzhinsky #
# Company : Rusoft Ltd, Russia #
# Date : Sep 22, 2023 #
# Version : 1.0.57 #
# License : Creative Commons CC-BY license #
# Website : https://github.com/rusoft/php-simple-benchmark-script #
# Website : https://git.rusoft.ru/open-source/php-simple-benchmark-script #
# #
################################################################################
*/
$scriptVersion = '1.0.57';
// Special string to flush buffers, nginx for example
$flushStr = '<!-- '.str_repeat(" ", 8192).' -->';
// Used in hacks/fixes checks
$phpversion = explode('.', PHP_VERSION);
$messagesCnt = 0;
$rawValues4json = false;
$totalOps = 0;
if (php_sapi_name() == 'cli') {
// Terminal color sequence
$colorReset = "\033[0m";
$colorRed = "\033[31m";
$colorGreen = "\033[32m";
$colorYellow = "\033[33m";
$colorGray = "\033[30m";
$term = getenv('TERM');
if (in_array($term, array('xterm', 'urxvt', 'linux', 'screen'))) {
// Concrete terms, or limited terms
// pass
} else if (strpos($term, '-color') !== false) {
// Special string
// pass
} else if (strpos($term, '-256color') !== false) {
// Special string
// pass
} else {
// not pass
$colorReset = '';
$colorRed = '';
$colorGreen = '';
$colorYellow = '';
$colorGray = '';
}
} else {
// Html colors
$colorReset = '</span>'; // just closing tag
$colorRed = '<span style="color:red">';
$colorGreen = '<span style="color:green">';
$colorYellow = '<span style="color:orange">';
$colorGray = '<span style="color:gray">';
}
/** ------------------------------- Main Defaults ------------------------------- */
$has_igb = "{$colorYellow}no{$colorReset}";
if (extension_loaded('igbinary')) {
$has_igb = "{$colorGreen}yes{$colorReset}";
@include("igbinary.inc");
}
$has_msg = "{$colorYellow}no{$colorReset}";
if (extension_loaded('msgpack')) {
$has_msg = "{$colorGreen}yes{$colorReset}";
@include("msgpack.inc");
}
if (extension_loaded('zstd')) {
@include_once("compression.inc");
}
if (extension_loaded('lz4')) {
@include_once("compression.inc");
}
if (extension_loaded('brotli')) {
@include_once("compression.inc");
}
if (extension_loaded('gd')) {
@include_once("php-gd-imagick-common.inc");
@include_once("php-gd.inc");
}
if (extension_loaded('imagick')) {
@include_once("php-gd-imagick-common.inc");
@include_once("php-imagick.inc");
}
$originMemoryLimit = @ini_get('memory_limit');
$originTimeLimit = @ini_get('max_execution_time');
/* Default execution time limit in seconds */
$defaultTimeLimit = 600;
/*
Default PHP memory limit in Mb.
It's for ALL PHP structures!
Memory allocator works with blocks by X_Mb.
Some we need a little more.
*/
$defaultMemoryLimit = 130;
$useColors = 1;
$debugMode = 0;
$printJson = 0;
$printMachine = 0;
$recalculateLimits = 1;
$printDumbTest = 0;
$outputTestsList = 0;
$showOnlySystemInfo = 0;
$selectedTests = array();
/* ----------------- Fetch environ or GET params */
if ($t = (int)getenv('PHP_TIME_LIMIT')) {
$defaultTimeLimit = $t;
}
if (isset($_GET['time_limit']) && $t = (int)$_GET['time_limit']) {
$defaultTimeLimit = $t;
}
if ($x = (int)getenv('DONT_USE_COLORS')) {
$useColors = $x == 0;
}
if (isset($_GET['dont_use_colors']) && $x = (int)$_GET['dont_use_colors']) {
$useColors = $x == 0;
}
if ($x = (int)getenv('PHP_DEBUG_MODE')) {
$debugMode = $x;
}
if (isset($_GET['debug_mode']) && $x = (int)$_GET['debug_mode']) {
$debugMode = $x;
}
if ($x = (int)getenv('PRINT_JSON')) {
$printJson = $x;
}
if (isset($_GET['print_json']) && $x = (int)$_GET['print_json']) {
$printJson = $x;
}
if ($printJson) $printMachine = 0;
if ($x = (int)getenv('PRINT_MACHINE')) {
$printMachine = $x;
}
if (isset($_GET['print_machine']) && $x = (int)$_GET['print_machine']) {
$printMachine = $x;
}
if ($printMachine) $printJson = 0;
if ($m = (int)getenv('PHP_MEMORY_LIMIT')) {
$defaultMemoryLimit = $m;
}
if (isset($_GET['memory_limit']) && $m = (int)$_GET['memory_limit']) {
$defaultMemoryLimit = $m;
}
if ((int)getenv('DONT_RECALCULATE_LIMITS')) {
$recalculateLimits = 0;
}
if (isset($_GET['dont_recalculate_limits']) && (int)$_GET['dont_recalculate_limits']) {
$recalculateLimits = 0;
}
if ((int)getenv('PRINT_DUMB_TEST')) {
$printDumbTest = 1;
}
if (isset($_GET['print_dumb_test']) && (int)$_GET['print_dumb_test']) {
$printDumbTest = 1;
}
if ((int)getenv('LIST_TESTS')) {
$outputTestsList = 1;
}
if (isset($_GET['list_tests']) && (int)$_GET['list_tests']) {
$outputTestsList = 1;
}
if ((int)getenv('SYSTEM_INFO')) {
$showOnlySystemInfo = 1;
}
if (isset($_GET['system_info']) && (int)$_GET['system_info']) {
$showOnlySystemInfo = 1;
}
if ($r = getenv('RUN_TESTS')) {
$selectedTests = explode(',', $r);
}
if (!empty($_GET['run_tests'])) {
$selectedTests = explode(',', $_GET['run_tests']);
}
/* common functions */
function print_pre($msg) {
global $printJson, $printMachine, $messagesCnt;
if ($printMachine) {
print($msg);
} else if ($printJson) {
$msg = trim(str_replace("\n", " ", $msg));
if (function_exists('json_encode')) {
$msg = json_encode($msg);
} else {
$msg = '"'.$msg.'"';
}
print('"message_'.$messagesCnt.'": '.$msg.','.PHP_EOL);
} else {
if (php_sapi_name() != 'cli') {
print('<pre>'.$msg.'</pre>');
} else {
print($msg);
}
}
flush();
$messagesCnt++;
}
function print_norm($msg) {
global $printJson, $messagesCnt;
if ($printJson) {
$msg = trim(str_replace("\n", " ", $msg));
if (function_exists('json_encode')) {
$msg = json_encode($msg);
} else {
$msg = '"'.$msg.'"';
}
print('"message_'.$messagesCnt.'": '.$msg.','.PHP_EOL);
} else {
print($msg);
}
flush();
$messagesCnt++;
}
if (!function_exists('gethostname')) {
// 5.3.0+ only
function gethostname() {
on_start();
$last_str = system(`hostname -f`, $errcode);
if ($last_str !== false) {
return $last_str;
}
return '';
}
}
/* global command line options */
if (php_sapi_name() == 'cli') {
// http://php.net/manual/ru/function.getopt.php example #2
$shortopts = "h";
$shortopts .= "x";
$shortopts .= "d";
$shortopts .= "C";
$shortopts .= "J";
$shortopts .= "M";
$shortopts .= "D";
$shortopts .= "L";
$shortopts .= "I";
$shortopts .= "m:"; // Обязательное значение
$shortopts .= "t:"; // Обязательное значение
$shortopts .= "T:"; // Обязательное значение
$longopts = array(
"help",
"debug",
"dont-use-colors",
"print-json",
"print-machine",
"dont-recalc",
"dumb-test-print",
"list-tests",
"system-info",
"memory-limit:", // Обязательное значение
"time-limit:", // Обязательное значение
"run-test:", // Обязательное значение
);
$hasLongOpts = true;
if ((int)$phpversion[0] > 5) {
$options = getopt($shortopts, $longopts);
} elseif ((int)$phpversion[0] == 5 && (int)$phpversion[1] >= 3) {
$options = getopt($shortopts, $longopts);
} else {
$options = getopt($shortopts);
$hasLongOpts = false;
}
if ($options) {
// First - simple options that do not do any output
foreach ($options as $okey => $oval) {
switch ($okey) {
case 'd':
case 'dont-recalc':
$recalculateLimits = 0;
break;
case 'x':
case 'debug':
$debugMode = 1;
break;
case 'C':
case 'dont-use-colors':
$useColors = 0;
break;
case 'J':
case 'print-json':
$printJson = 1;
$printMachine = 0;
break;
case 'M':
case 'print-machine':
$printMachine = 1;
$printJson = 0;
break;
case 'D':
case 'dumb-test-print':
$printDumbTest = 1;
break;
case 'L':
case 'list-tests':
$outputTestsList = 1;
break;
case 'I':
case 'system-info':
$showOnlySystemInfo = 1;
break;
} // switch key
} // for options
// Drop colors here
if (!$useColors || $printJson || $printMachine) {
$colorReset = '';
$colorRed = '';
$colorGreen = '';
$colorYellow = '';
$colorGray = '';
}
// Start JSON output here
if ($printJson) print("{ " . PHP_EOL);
foreach ($options as $okey => $oval) {
switch ($okey) {
case 'h':
case 'help':
if ($hasLongOpts) {
print_pre(
PHP_EOL
. 'PHP Benchmark Performance Script, version ' . $scriptVersion . PHP_EOL
. PHP_EOL
. 'Usage: ' . basename(__FILE__) . ' [-h|--help] [-x|--debug] [-C|--dont-use-colors] [-J|--print-json] [-M|--print-machine] [-d|--dont-recalc] [-D|--dumb-test-print] [-L|--list-tests] [-I|--system-info] [-S|--do-not-task-set] [-m|--memory-limit=130] [-t|--time-limit=600] [-T|--run-test=name]' . PHP_EOL
. PHP_EOL
. ' -h|--help - print this help and exit' . PHP_EOL
. ' -x|--debug - enable debug mode, raise output level' . PHP_EOL
. ' -C|--dont-use-colors - disable printing html-span or color sequences for capable terminal: xterm, *-color, *-256color. And not in JSON/machine mode.' . PHP_EOL
. ' -J|--print-json - enable printing only in JSON format, useful for automated tests. disables print-machine.' . PHP_EOL
. ' -M|--print-machine - enable printing only in machine parsable format, useful for automated tests. disables print-json.' . PHP_EOL
. ' -d|--dont-recalc - do not recalculate test times / operations count even if memory of execution time limits are low' . PHP_EOL
. ' -D|--dumb-test-print - print dumb test time, for debug purpose' . PHP_EOL
. ' -L|--list-tests - output list of available tests and exit' . PHP_EOL
. ' -I|--system-info - output system info but do not run tests and exit' . PHP_EOL
. ' -m|--memory-limit <Mb> - set memory_limit value in Mb, defaults to 130 (Mb)' . PHP_EOL
. ' -t|--time-limit <sec> - set max_execution_time value in seconds, defaults to 600 (sec)' . PHP_EOL
. ' -T|--run-test <name> - run selected tests, test names from --list-tests output, can be defined multiple times' . PHP_EOL
. PHP_EOL
. 'Example: php ' . basename(__FILE__) . ' -m=64 -t=30' . PHP_EOL
. PHP_EOL
);
} else {
print_pre(
PHP_EOL
. 'PHP Benchmark Performance Script, version ' . $scriptVersion . PHP_EOL
. PHP_EOL
. 'Usage: ' . basename(__FILE__) . ' [-h] [-x] [-C] [-J] [-M] [-d] [-D] [-L] [-I] [-S] [-m 130] [-t 600] [-T name]' . PHP_EOL
. PHP_EOL
. ' -h - print this help and exit' . PHP_EOL
. ' -x - enable debug mode, raise output level' . PHP_EOL
. ' -C - disable printing html-span or color sequences for capable terminal: xterm, *-color, *-256color. And not in JSON/machine mode.' . PHP_EOL
. ' -J - enable printing only in JSON format, useful for automated tests. disables print-machine.' . PHP_EOL
. ' -M - enable printing only in machine parsable format, useful for automated tests. disables print-json.' . PHP_EOL
. ' -d - do not recalculate test times / operations count even if memory of execution time limits are low' . PHP_EOL
. ' -D - print dumb test time, for debug purpose' . PHP_EOL
. ' -L - output list of available tests and exit' . PHP_EOL
. ' -I - output system info but do not run tests and exit' . PHP_EOL
. ' -m <Mb> - set memory_limit value in Mb, defaults to 130 (Mb)' . PHP_EOL
. ' -t <sec> - set max_execution_time value in seconds, defaults to 600 (sec)' . PHP_EOL
. ' -T <name> - run selected tests, test names from -L output, can be defined multiple times' . PHP_EOL
. PHP_EOL
. 'Example: php ' . basename(__FILE__) . ' -m 64 -t 30' . PHP_EOL
. PHP_EOL
);
}
if ($printJson) {
print("\"messages_count\": {$messagesCnt},\n");
print("\"end\":true\n}" . PHP_EOL);
}
exit(0);
break;
case 'm':
case 'memory-limit':
if (is_numeric($oval)) {
$defaultMemoryLimit = (int)$oval;
} else {
print_pre("{$colorYellow}<<< WARNING >>>{$colorReset} Option '$okey' has not numeric value '$oval'! Skip." . PHP_EOL);
}
break;
case 't':
case 'time-limit':
if (is_numeric($oval)) {
$defaultTimeLimit = (int)$oval;
} else {
print_pre("{$colorYellow}<<< WARNING >>>{$colorReset} Option '$okey' has not numeric value '$oval'! Skip." . PHP_EOL);
}
break;
case 'T':
case 'run-test':
// Multiple values are joined into array
if (!empty($oval)) {
$selectedTests = (array)$oval;
} else {
print_pre("{$colorYellow}<<< WARNING >>>{$colorReset} Option '$okey' has no value! Skip." . PHP_EOL);
}
break;
case 'd':
case 'dont-recalc':
case 'x':
case 'debug':
case 'C':
case 'dont-use-colors':
case 'J':
case 'print-json':
case 'M':
case 'print-machine':
case 'D':
case 'dumb-test-print':
case 'L':
case 'list-tests':
case 'I':
case 'system-info':
// Done in previous cycle
break;
default:
print_pre("{$colorYellow}<<< WARNING >>>{$colorReset} Unknown option '$okey'!" . PHP_EOL);
}
}
} // if options
} // if sapi == cli
// Drop colors here too
if (!$useColors || $printJson || $printMachine) {
$colorReset = '';
$colorRed = '';
$colorGreen = '';
$colorYellow = '';
$colorGray = '';
}
if (php_sapi_name() != 'cli') {
// Hello, nginx!
header('X-Accel-Buffering: no', true);
if ($printJson) {
header('Content-Type: application/json', true);
} else {
header('Content-Type: text/html; charset=utf-8', true);
}
flush();
} else {
$flushStr = '';
}
$tz = ini_get('date.timezone');
if (!$tz) ini_set('date.timezone', 'Europe/Moscow');
ini_set('display_errors', 0);
@ini_set('error_log', null);
ini_set('implicit_flush', 1);
ini_set('output_buffering', 0);
ob_implicit_flush(1);
// Disable explicit error reporting
error_reporting(E_ERROR | E_WARNING | E_PARSE);
// Check XDebug
$xdebug = (int)ini_get('xdebug.default_enable');
if ($xdebug) {
print_pre("{$colorYellow}<<< WARNING >>>{$colorReset} You need to disable Xdebug extension! It greatly slow things down! And mess with PHP internals.".PHP_EOL);
}
// Check OpCache
if (php_sapi_name() != 'cli') {
$opcache = (int)ini_get('opcache.enable');
if ($opcache) {
print_pre("{$colorYellow}<<< WARNING >>>{$colorReset} You may want to disable OpCache extension! It can greatly affect the results! Make it via .htaccess, VHost or FPM config.".PHP_EOL);
}
$apcache = (int)ini_get('apc.enabled');
} else {
$opcache = (int)ini_get('opcache.enable_cli');
if ($opcache) {
print_pre("{$colorYellow}<<< WARNING >>>{$colorReset} You may want to disable Cli OpCache extension! It can greatly affect the results! Run php with param: -dopcache.enable_cli=0".PHP_EOL);
}
$apcache = (int)ini_get('apc.enable_cli');
}
$xcache = (int)ini_get('xcache.cacher');
$eaccel = (int)ini_get('eaccelerator.enable');
$mbover = (int)ini_get('mbstring.func_overload');
if ($mbover != 0) {
print_pre("{$colorYellow}<<< WARNING >>>{$colorReset} You must disable mbstring string functions overloading! It greatly slow things down! And messes with results.".PHP_EOL);
}
$obd_set = (int)!in_array(ini_get('open_basedir'), array('', null));
if ($obd_set != 0) {
print_pre("{$colorYellow}<<< WARNING >>>{$colorReset} You should unset `open_basedir` parameter! It may slow things down!".PHP_EOL);
print_pre("{$colorYellow}<<< WARNING >>>{$colorReset} Parameter `open_basedir` in effect! Script may not able to read system CPU and Memory information. Memory adjustment for tests may not work.\n");
}
$dropDead = false;
// No php < 4
if ((int)$phpversion[0] < 4) {
$dropDead = true;
}
// No php <= 4.3
if ((int)$phpversion[0] == 4 && (int)$phpversion[1] < 3) {
$dropDead = true;
}
if ($dropDead) {
print_pre("{$colorRed}<<< ERROR >>>{$colorReset} Need PHP 4.3+! Current version is " . PHP_VERSION .PHP_EOL);
if ($printJson) {
print("\"messages_count\": {$messagesCnt},\n");
print("\"end\":true\n}".PHP_EOL);
}
exit(1);
}
if (!defined('PHP_MAJOR_VERSION')) {
define('PHP_MAJOR_VERSION', (int)$phpversion[0]);
}
if (!defined('PHP_MINOR_VERSION')) {
define('PHP_MINOR_VERSION', (int)$phpversion[1]);
}
if ($debugMode) {
ini_set('display_errors', 1);
error_reporting(E_ALL);
}
$set = set_time_limit($defaultTimeLimit);
if ($set === false) {
print_pre("{$colorYellow}<<< WARNING >>>{$colorReset} Execution time limit not droppped to '{$defaultTimeLimit}' seconds!\nScript will have only '{$originTimeLimit}' seconds to run." . PHP_EOL);
}
$set = ini_set('memory_limit', $defaultMemoryLimit . 'M');
if ($set === false) {
print_pre("{$colorYellow}<<< WARNING >>>{$colorReset} Memory limit not set to '{$defaultMemoryLimit}'!" . PHP_EOL);
}
/** ------------------------------- Main Constants ------------------------------- */
$line = str_pad("-", 91, "-");
$padHeader = 89;
$padInfo = 19;
$padLabel = 30;
$emptyResult = array(0, '-.---', '-.-- ', '-.-- ', 0);
$cryptSalt = null;
$cryptAlgoName = 'default';
// That gives around 130Mb memory use and reasonable test time
$testMemoryFull = 130 * 1024 * 1024;
// That gives around 8Mb memory use to run every tests
$testMemoryMin = 5 * 1024 * 1024;
// Arrays are matrix [$dimention] x [$dimention]
$arrayDimensionLimit = 600;
// That limit gives around 128Mb too
$stringConcatLoopRepeat = 5;
$runOnlySelectedTests = !empty($selectedTests);
$stringTest = " the quick <b>brown</b> fox jumps <i>over</i> the lazy dog and eat <span>lorem ipsum</span><br/> Valar morghulis <br/>\n\rабыр\nвалар дохаэрис <span class='alert alert-danger'>У нас закончились ложки, Нео!</span> ";
$regexPattern = '/[\s,]+/';
/** ---------------------------------- Tests limits - to recalculate -------------------------------------------- */
// Gathered on this machine
$loopMaxPhpTimesMHz = 3800;
// How much time needed for tests on this machine
$loopMaxPhpTimes = array(
'4.4' => 324,
'5.2' => 248,
'5.3' => 211,
'5.4' => 199,
'5.5' => 200,
'5.6' => 204,
'7.0' => 106,
'7.1' => 104,
'7.2' => 98,
'7.3' => 89,
'7.4' => 89,
'8.0' => 83,
'8.1' => 82,
'8.2' => 79,
);
// Simple and fast test times, used to adjust all test times and limits
$dumbTestMaxPhpTimes = array(
'4.4' => 1.041,
'5.2' => 0.771,
'5.3' => 0.737,
'5.4' => 0.769,
'5.5' => 0.770,
'5.6' => 0.781,
'7.0' => 0.425,
'7.1' => 0.425,
'7.2' => 0.412,
'7.3' => 0.339,
'7.4' => 0.340,
'8.0' => 0.324,
'8.1' => 0.323,
'8.2' => 0.294,
);
// Nice dice roll
// Should not be longer than 600 seconds
$testsLoopLimits = array(
'01_math' => 2000000,
// That limit gives around 90Mb
'02_string_concat' => 5000000,
'03_1_string_number_concat' => 5000000,
'03_2_string_number_format' => 5000000,
'04_string_simple' => 1300000,
'05_string_mb' => 130000,
'06_string_manip' => 1300000,
'07_regex' => 1300000,
'08_1_hashing' => 1300000,
'08_2_crypt' => 10000,
'09_json_encode' => 1300000,
'10_json_decode' => 1300000,
'11_serialize' => 1300000,
'12_unserialize' => 1300000,
'11_igb_serialize' => 1300000,
'12_igb_unserialize' => 1300000,
'11_msgpack_pack' => 1300000,
'12_msgpack_unpack' => 1300000,
'13_array_loop' => 250,
'14_array_loop' => 250,
'15_clean_loops' => 200000000,
'16_loop_ifelse' => 100000000,
'17_loop_ternary' => 100000000,
'18_1_loop_def' => 50000000,
'18_2_loop_undef' => 50000000,
'19_type_func' => 4000000,
'20_type_cast' => 4000000,
'21_loop_except' => 10000000,
'22_loop_nullop' => 60000000,
'23_loop_spaceship' => 60000000,
'26_1_public' => 10000000,
'26_2_getset' => 10000000,
'26_3_magic' => 10000000,
'27_simplexml' => 50000,
'28_domxml' => 50000,
'29_datetime' => 500000,
'30_intl_number_format' => 20000,
'31_intl_message_format' => 200000,
'32_intl_calendar' => 300000,
'33_phpinfo_generate' => 10000,
'34_gd_qrcode' => 1000,
'35_imagick_qrcode' => 1000,
'36_zlib_compress' => 5000000,
'36_gzip_compress' => 5000000,
'36_bzip2_compress' => 500000,
'36_lz4_compress' => 5000000,
'36_zstd_compress' => 5000000,
'36_brotli_compress' => 1000000,
);
// Should not be more than X Mb
// Different PHP could use different amount of memory
// There defined maximum possible
$testsMemoryLimits = array(
'01_math' => 4,
'02_string_concat' => 90,
'03_1_string_number_concat' => 4,
'03_2_string_number_format' => 4,
'04_string_simple' => 4,
'05_string_mb' => 4,
'06_string_manip' => 4,
'07_regex' => 4,
'08_1_hashing' => 4,
'08_2_crypt' => 4,
'09_json_encode' => 4,
'10_json_decode' => 4,
'11_serialize' => 4,
'12_unserialize' => 4,
'11_igb_serialize' => 4,
'12_igb_unserialize' => 4,
// php-5.3
'13_array_loop' => 54,
'14_array_loop' => 62,
// opcache, php-7.4
'15_clean_loops' => 14,
'16_loop_ifelse' => 14,
'17_loop_ternary' => 14,
'18_1_loop_def' => 14,
'18_2_loop_undef' => 14,
'19_type_func' => 14,
'20_type_cast' => 14,
'21_loop_except' => 14,
'22_loop_nullop' => 14,
'23_loop_spaceship' => 14,
'26_1_public' => 14,
'26_2_getset' => 14,
'26_3_magic' => 14,
'27_simplexml' => 14,
'28_domxml' => 14,
'29_datetime' => 14,
'30_intl_number_format' => 14,
'31_intl_message_format' => 14,
'32_intl_calendar' => 14,
'33_phpinfo_generate' => 14,
'34_gd_qrcode' => 14,
'35_imagick_qrcode' => 8,
'36_zlib_compress' => 4,
'36_gzip_compress' => 4,
'36_bzip2_compress' => 4,
'36_lz4_compress' => 4,
'36_zstd_compress' => 4,
'36_brotli_compress' => 4,
);
/** ---------------------------------- Common functions -------------------------------------------- */
/**
* Gt pretty OS release name, if available
*/
function get_current_os()
{
$osFile = '/etc/os-release';
$result = PHP_OS;
if (@is_readable($osFile)) {
$f = fopen($osFile, 'r');
while (!feof($f)) {
$line = trim(fgets($f, 1000000));
if (strpos($line, 'PRETTY_NAME=') === 0) {
$s = explode('=', $line);
$result = array_pop($s);
$result = str_replace('"','', $result);
}
}
}
return $result;
}
function get_microtime()
{
$time = microtime(true);
if (is_string($time)) {
list($f, $i) = explode(' ', $time);
$time = intval($i) + floatval($f);
}
return $time;
}
function convert($size)
{
$unit = array('b', 'kb', 'Mb', 'Gb', 'Tb', 'Pb', 'Eb');
if ($size <= 0) $i = 0;
else $i = floor(log($size, 1024));
if ($i < 0) $i = 0;
return @round($size / pow(1024, $i), 2) . ' ' . $unit[$i];
}
function prefix_si($size)
{
$unit = array(' ', 'k', 'M', 'G', 'T', 'P', 'E', -3 => 'm', -6 => 'u');
$i = floor(log($size, 1000));
if ($i < 0) {
if ($i <= -6) {
$i = -6;
} elseif ($i <= -3) {
$i = -3;
} else {
$i = 0;
}
}
return $unit[$i];
}
function convert_si($size)
{
$i = floor(log($size, 1000));
if ($i < 0) {
if ($i <= -6) {
$i = -6;
} elseif ($i <= -3) {
$i = -3;
} else {
$i = 0;
}
}
return @round($size / pow(1000, $i), 2);
}
/**
* Return memory_limit in bytes
*
* @return int
*/
function getPhpMemoryLimitBytes()
{
global $debugMode, $colorGray, $colorReset;
// http://stackoverflow.com/a/10209530
$memory_limit = strtolower(ini_get('memory_limit'));
if ($debugMode) {
print_pre("{$colorGray}<<< DEBUG >>>{$colorReset} getPhpMemoryLimitBytes(): ini_get memory_limit = '{$memory_limit}'\n");
}
if (preg_match('/^(\d+)(.)$/', $memory_limit, $matches)) {
if ($debugMode) {
$ve = var_export($matches, true);
print_pre("{$colorGray}<<< DEBUG >>>{$colorReset} getPhpMemoryLimitBytes(): parse via preg_math:\n{$ve}\n");
}
if ($matches[2] == 'g') {
$memory_limit = intval($matches[1]) * 1024 * 1024 * 1024; // nnnG -> nnn GB
} else if ($matches[2] == 'm') {
$memory_limit = intval($matches[1]) * 1024 * 1024; // nnnM -> nnn MB
} else if ($matches[2] == 'k') {
$memory_limit = intval($matches[1]) * 1024; // nnnK -> nnn KB
} else {
$memory_limit = intval($matches[1]); // nnn -> nnn B
}
}
if ($debugMode) {
print_pre("{$colorGray}<<< DEBUG >>>{$colorReset} getPhpMemoryLimitBytes(): result memory_limit = '{$memory_limit}'\n");
}
return $memory_limit;
}
/**
* Return array (dict) with system memory info.
* All values in bytes.
* http://stackoverflow.com/a/1455610
*/
function getSystemMemInfo()
{
global $debugMode, $colorGray, $colorReset;
$meminfo = array();
if (! @is_readable("/proc/meminfo")) {
if ($debugMode) {
print_pre("{$colorGray}<<< DEBUG >>>{$colorReset} Can't read /proc/meminfo!" . PHP_EOL);
}
return $meminfo;
}
$data = explode("\n", file_get_contents("/proc/meminfo"));
foreach ($data as $line) {
if (empty($line)) {
continue;
}
list($key, $val) = explode(":", $line);
$_val = explode(" ", strtolower(trim($val)));
$val = intval($_val[0]);
if (isset($_val[1]) && $_val[1] == 'kb') {
$val *= 1024;
}
$meminfo[$key] = trim($val);
}
return $meminfo;
}
/**
* Return system memory FREE+CACHED+BUFFERS bytes (may be free)
*
* @return int
*/
function getSystemMemoryFreeLimitBytes()
{
global $debugMode, $colorGray, $colorReset;
$info = getSystemMemInfo();
if ($debugMode) {
$ve = var_export($info, true);
print_pre("{$colorGray}<<< DEBUG >>>{$colorReset} getSystemMemoryFreeLimitBytes(): system memory info:\n{$ve}'\n");
}
if (empty($info)) {
return -1;
}
if (isset($info['MemAvailable'])) {
if ($debugMode) {
print_pre("{$colorGray}<<< DEBUG >>>{$colorReset} getSystemMemoryFreeLimitBytes(): return MemAvailable: {$info['MemAvailable']}\n");
}
return $info['MemAvailable'];
}
$available = $info['MemFree'] + $info['Cached'] + $info['Buffers'];
if ($debugMode) {
print_pre("{$colorGray}<<< DEBUG >>>{$colorReset} getSystemMemoryFreeLimitBytes(): return MemFree + Cached + Buffers: {$available}\n");
}
return $available;
}
/**
* Read /proc/cpuinfo, fetch some data
*/
function getCpuInfo($fireUpCpu = false)
{
global $debugMode, $colorGray, $colorReset;
$cpu = array(
'model' => '',
'vendor' => '',
'cores' => 0,
'available' => 0,
'mhz' => 0.0,
'max-mhz' => 0.0,
'min-mhz' => 0.0,
'mips' => 0.0
);
if (! @is_readable('/proc/cpuinfo')) {
if ($debugMode) {
print_pre("{$colorGray}<<< DEBUG >>>{$colorReset} Can't read /proc/cpuinfo!" . PHP_EOL);
}
$cpu['model'] = 'Unknown';
$cpu['vendor'] = 'Unknown';
$cpu['cores'] = 1;
$cpu['available'] = 1;
return $cpu;
}
if ($fireUpCpu) {
// Fire up CPU, Don't waste much time here
$i = 30000000;
while ($i--) ;
}
if (@is_readable('/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq')) {
$cpu['mhz'] = ((int)file_get_contents('/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq'))/1000.0;
}
// Code from https://github.com/jrgp/linfo/blob/master/src/Linfo/OS/Linux.php
// Adopted
$cpuData = explode("\n", file_get_contents('/proc/cpuinfo'));
foreach ($cpuData as $line) {
$line = explode(':', $line, 2);
if (!array_key_exists(1, $line)) {
continue;
}