About several implementation methods of PHP extension
1.php native extension development c language, note: [ext_skel.php] script creation
2.zephir
3.php-cpp
4.php-x
5.cgo
Encapsulation zendapi mode
CGO nests C and GO codes, and uses GO to compile the PHP extension skeleton and the specific implementation of GO
, etc. . . Not limited to the above methods.
Focus on [zephir, cgo, PHP enable JIT] 4 modes, and use the Fibonacci sequence calculation performance to check the running effect.
zephir code generation extension
//Main 类 final class Zimuge { public static function calcFibonacci(int i){ if (i < 2) { return i; } return self::calcFibonacci(i - 1) + self::calcFibonacci(i - 2); }
编译安装 zephir build
cgo code generation extension
package main /* #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "php.h" #include "php_ini.h" #include "ext/standard/info.h" static int le_go2php; PHP_MINIT_FUNCTION(go2php) { return SUCCESS; } PHP_MSHUTDOWN_FUNCTION(go2php) { return SUCCESS; } PHP_RINIT_FUNCTION(go2php) { return SUCCESS; } PHP_RSHUTDOWN_FUNCTION(go2php) { return SUCCESS; } PHP_MINFO_FUNCTION(go2php) { php_info_print_table_start(); php_info_print_table_header(2, "go2php support", "enabled"); php_info_print_table_end(); } PHP_FUNCTION(go2php_print) { zend_long a,b; ZEND_PARSE_PARAMETERS_START(1, 1) Z_PARAM_LONG(a) ZEND_PARSE_PARAMETERS_END(); b = calcFib(a); RETURN_LONG(b); } ZEND_BEGIN_ARG_INFO(null, 0) ZEND_END_ARG_INFO() const zend_function_entry go2php_functions[] = { PHP_FE(go2php_print, null) PHP_FE_END }; zend_module_entry go2php_module_entry = { STANDARD_MODULE_HEADER, "go2php", go2php_functions, PHP_MINIT(go2php), PHP_MSHUTDOWN(go2php), PHP_RINIT(go2php), PHP_RSHUTDOWN(go2php), PHP_MINFO(go2php), "0.1.0", STANDARD_MODULE_PROPERTIES }; #ifdef COMPILE_DL_GO2PHP ZEND_GET_MODULE(go2php) #endif */ import "C" func main() {}
package main import "C" //export calcFib func calcFib(i int) int { if i < 2 { return i } return calcFib(i-1)+calcFib(i-2) }
Compile & Link
CGO_CFLAGS="-g \ -I`/root/download/php8/bin/php-config --include-dir` \ -I`/root/download/php8/bin/php-config --include-dir`/main \ -I`/root/download/php8/bin/php-config --include-dir`/TSRM \ -I`/root/download/php8/bin/php-config --include-dir`/Zend \ -I`/root/download/php8/bin/php-config --include-dir`/ext \ -I`/root/download/php8/bin/php-config --include-dir`/ext/date/lib \ -DHAVE_CONFIG_H" CGO_LDFLAGS="-Wl,--export-dynamic -Wl,--unresolved-symbols=ignore-all" go build -p 1 -gcflags "-l" -buildmode=c-shared -o go2php.so
Testing php script code
<?php const COUNT = 30; function calcFibonacci(int $i): int { if ($i < 2) { return $i; } return calcFibonacci($i - 1) + calcFibonacci($i - 2); } // CGO 速度 $startTime = microtime(true); for($i = 1; $i <= COUNT; $i++) { if($i != COUNT) { go2php_print($i); }else { echo go2php_print($i)."\n"; } } $time = microtime(true) - $startTime; echo "CGO: {$time} 秒\n"; //zephir 速度 $startTime = microtime(true); for($i = 1; $i <= COUNT; $i++) { if($i != COUNT) { Lsz\Zimuge::calcFibonacci($i); }else { echo Lsz\Zimuge::calcFibonacci($i)."\n"; } } $time = microtime(true) - $startTime; echo "zephir: {$time} 秒\n"; // PHP JIT 速度 $startTime = microtime(true); for($i = 1; $i <= COUNT; $i++) { if($i != COUNT) { calcFibonacci($i); }else { echo calcFibonacci($i)."\n"; } } $time = microtime(true) - $startTime; echo "PHP: {$time} 秒\n";
Testing without using PHP JIT
php test.php ->执行结果取一个平均 832040 CGO: 0.059875011444092 秒 832040 zephir: 8.5679790973663 秒 832040 PHP: 0.75995492935181 秒
Testing without using PHP JIT
php -dopcache.enable_cli=1 -dopcache.jit_buffer_size=100M test.php ->执行结果取一个平均 832040 CGO: 0.046900987625122 秒 832040 zephir: 5.5882248878479 秒 832040 PHP: 0.10621190071106 秒
The so files compiled by cgo and zephir are imported through php.ini
To execute the test script, you need to ensure that so is read in correctly.
Command php -m or php --ri xx.so to confirm.
[PHP Modules] Core ctype curl date dom FFI fileinfo filter gd go2php hash iconv json libxml lsz mbstring mysqlnd openssl pcre PDO pdo_mysql pdo_sqlite Phar posix redis Reflection session SimpleXML SPL sqlite3 standard swoole tokenizer xml xmlreader xmlwriter yaf Zend OPcache zephir_parser zimuge [Zend Modules] Zend OPcache
Use PHP version
php -v PHP 8.1.3 (cli) (built: Feb 27 2022 19:40:08) (NTS) Copyright (c) The PHP Group Zend Engine v4.1.3, Copyright (c) Zend Technologies with Zend OPcache v8.1.3, Copyright (c), by Zend Technologies
Conclusion:
JIT can improve the performance of PHP.
If you want to learn go but don’t want to give up php, you can play CGO.
zephir Although the computing performance is not very good, writing PHP extensions is relatively simple to implement.
Recommended learning: "PHP Video Tutorial"
The above is the detailed content of Interviewer: List several implementation methods of PHP expansion and compare their performance?. For more information, please follow other related articles on the PHP Chinese website!