git clone https://github.com/lihancong/tonyenc 

php -v

[root@VM_0_7_centos lv57]# php -v
PHP 7.2.13 (cli) (built: Dec 17 2018 13:44:46) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies

find / -name php-config

[root@VM_0_7_centos lv57]# find / -name php-config
/www/server/php/72/bin/php-config
/www/server/php/72/src/scripts/php-config

cd tonyenc

/* 这里定制你的加密特征头，不限长度，十六进制哦 */
const u_char tonyenc_header[] = {
        0x66, 0x88, 0xff, 0x4f,
        0x68, 0x86, 0x00, 0x56,
        0x11, 0x16, 0x16, 0x18,
};

/* 这里指定密钥，长一些更安全 */
const u_char tonyenc_key[] = {
        0x9f, 0x49, 0x52, 0x00,
        0x58, 0x9f, 0xff, 0x21,
        0x3e, 0xfe, 0xea, 0xfa,
        0xa6, 0x33, 0xf3, 0xc6,
};

phpize

./configure --with-php-config=/www/server/php/72/bin/php-config

make && make install

find / -name php.ini

[root@VM_0_7_centos bin]# find / -name php.ini
/www/server/php/72/etc/php.ini

extension=tonyenc.so

[Zend ZendGuard Loader]
;php7 do not support zendguardloader @Sep.2015,after support you can uncomment the following line.
;zend_extension=/usr/local/zend/php72/ZendGuardLoader.so
;zend_loader.enable=1
;zend_loader.disable_licensing=0
;zend_loader.obfuscation_level_support=3
;zend_loader.license_path=

;xcache

extension = /www/server/php/72/lib/php/extensions/no-debug-non-zts-20170718/fileinfo.so
extension=/www/server/php/72/lib/php/extensions/no-debug-non-zts-20170718/exif.so



[swoole]
extension = swoole.so
;上面自带，下面才是新加的 tonyenc.so
extension = tonyenc.so

[root@VM_0_7_centos bin]# php -m |grep tonyenc

tonyenc

mkdir /www/wwwroot/demo/

<?php
echo "kongiq你好";
?>

<?php
/**
 * tonyenc.php: Encrypt or decrypt the script with tonyenc.
 *
 * A high performance and cross-platform encrypt extension for PHP source code.
 *
 * @author:  Tony
 * @site:    lihancong.cn
 * @github:  github.com/lihancong/tonyenc
 */
if (version_compare(PHP_VERSION, 7, ‘<‘))
    die("PHP must later than version 7.0\n");
if (php_sapi_name() !== ‘cli‘)
    die("Must run in cli mode\n");
if (!extension_loaded(‘tonyenc‘))
    die("The extension: ‘tonyenc‘ not loaded\n");
if ($argc <= 1)
    die("\nusage: php tonyenc.php file.php ...     encrypt the php file(s) or directory(s)\n\n");
array_shift($argv);
foreach ($argv as $fileName) {
    if (is_file($fileName)) {
        handle($fileName);
    } elseif (is_dir($fileName)) {
        $DirectoriesIt = new RecursiveDirectoryIterator($fileName, FilesystemIterator::SKIP_DOTS);
        $AllIt         = new RecursiveIteratorIterator($DirectoriesIt);
        $it            = new RegexIterator($AllIt, ‘/^.+\.php$/i‘, RecursiveRegexIterator::GET_MATCH);
        foreach ($it as $v)
            handle($v[0]);
    } else {
        echo "Unknowing file: ‘$fileName‘\n";
    }
}
function handle($file)
{
    if ($fp = fopen($file, ‘rb+‘) and $fileSize = filesize($file)) {
        $data = tonyenc_encode(fread($fp, $fileSize));
        if ($data !== false) {
            if (file_put_contents($file, ‘‘) !== false) {
                rewind($fp);
                fwrite($fp, $data);
            }
        }
        fclose($fp);
    }
}

config/a.php
config/b.php