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protobuffer是google推出的一种数据传的方式,具体压缩，体积小的特点

protobuffer本身不支持php，若要把.proto文件转化为php支持的文件，需要使用第三方的程序

allegro/php-protobuf 或 drslump/Protobuf-PHP

使用drslump/Protobuf-PHP

一.下载并安装protoc编译器tar -xzf protobuf-2.4.1.tar.gz && cd protobuf-2.4.1

cd protobuf-2.1.0

./configure --prefix=/usr/local/proto

make

make check

make install

二.下载并安装protoc对应的php扩展wget --no-check-certificate https://github.com/chobie/php-protocolbuffers/archive/master.zip

unzip master && cd php-protocolbuffers-master/

/usr/local/php5/bin/phpize

./configure --with-php-config=/usr/local/php5/bin/php-config

make && make install

重启phpkill -USR2 `cat /usr/local/php5/var/run/php-fpm.pid`

生成的.so文件是protocolbuffers.so

allegro/php-protobuf 本身就带扩展，同时支持将.proto文件转为php文件

生成的.so文件是protobuf.so

三.下载 drslump/Protobuf-PHP 得到protoc-gen-php插件

并执行/usr/local/php5/bin/pear channel-discover pear.pollinimini.net

/usr/local/php5/bin/pear install drslump/Protobuf-beta

四.将.proto文件转为php文件/usr/local/proto/bin/protoc --plugin=protoc-gen-php='/home/source/Protobuf-PHP-master/protoc-gen-php.php' --proto_path='/home/source/Protobuf-PHP-master' --php_out=':./' '/home/source/Protobuf-PHP-master/test.proto'

执行后报错PHP Warning: Declaration of google\protobuf\DescriptorProto::clearExtension() should be compatible with DrSlump\Protobuf\Message::clearExtension($extname) in /home/source/Protobuf-PHP-master/library/DrSlump/Protobuf/Compiler/protos/descriptor.pb.php on line 688

--php_out: protoc-gen-php: Plugin output is unparseable.

类中的方法重复了,注释掉它就行PHP Warning: Missing argument 1 for DrSlump\Protobuf\Message::hasExtension(), called in /home/source/Protobuf-PHP-master/library/DrSlump/Protobuf/Compiler/PhpGenerator.php on line 280 and defined in /home/source/Protobuf-PHP-master/library/DrSlump/Protobuf/Message.php on line 283

PHP Notice: Undefined variable: extname in /home/source/Protobuf-PHP-master/library/DrSlump/Protobuf/Message.php on line 285

PHP Warning: Missing argument 1 for DrSlump\Protobuf\Message::hasExtension(), called in /home/source/Protobuf-PHP-master/library/DrSlump/Protobuf/Compiler/PhpGenerator.php on line 87 and defined in /home/source/Protobuf-PHP-master/library/DrSlump/Protobuf/Message.php on line 283

PHP Notice: Undefined variable: extname in /home/source/Protobuf-PHP-master/library/DrSlump/Protobuf/Message.php on line 285

--php_out: protoc-gen-php: Plugin output is unparseable.library/DrSlump/Protobuf/Compiler/PhpGenerator.php

87行if ($proto->hasExtension()) {

改为if ($proto->hasExtension(null)) {

280行if ($msg->hasExtension()) {

改为if ($msg->hasExtension(null)) {vi /home/source/Protobuf-PHP-master/library/DrSlump/Protobuf/Compiler/Cli.php

第二行添加set_include_path('.:/usr/local/php5/share/pear/');

可执行文件了

使用allegro/php-protobuf 貌似这是个protoc的php客户端wget https://github.com/allegro/php-protobuf/archive/master.zip

unzip master.zip && cd php-protobuf-master

/usr/local/php5/bin/phpize

./configure --with-php-config=/usr/local/php5/bin/php-config

make && make install

重启phpkill -USR2 `cat /usr/local/php5/var/run/php-fpm.pid`

使用方法/usr/local/php5/bin/php /home/source/aa/ab/cd/php-protobuf-master/protoc-php.php -t . test2.proto

注意一定要加上 -t 表示输入文件的路径,不然没有文件被输出

例子：vi test2.protomessage PhoneNumber {

required string number = 1;

required int32 type = 2;

}

message Person {

required string name = 1;

required int32 id = 2;

optional string email = 3;

repeated PhoneNumber phone = 4;

optional double money = 5;

}

message AddressBook {

repeated Person person = 1;

}

生成proto对应的php文件/usr/local/php5/bin/php /home/source/aa/ab/cd/php-protobuf-master/protoc-php.php -t . test2.proto

/usr/local/php/bin/php -c /usr/local/php/lib/php.ini /home/source/php-7.0.2/ext/protobuf/protoc-php.php -t . test_3.proto

vi example_2.php<?php

require_once 'pb_proto_test2.php';

$foo = new Person();

$foo->setName('abc');

$foo->setId(1);

$foo->setEmail('abc');

$foo->setMoney(321321.32);

$phone_num = new PhoneNumber();

$phone_num->setNumber('16589875625');

$phone_num->setType(3);

$foo->appendPhone($phone_num);

//$foo->appendPhone(2);

$packed = $foo->serializeToString();

//echo $packed;exit;

#$foo->clear();

echo "-----------src------------\n";

echo $foo->getName() ."\n";

echo $foo->getPhone()[0]->getNumber() ."\n";

$foo->dump();

echo "------------------------\n\n\n";

try {

$p = new Person();

$p->parseFromString($packed);

echo "------------parsed-------\n";

echo $p->getName() ."\n";

echo $p->getEmail() ."\n";

echo $p->getMoney() ."\n";

echo $p->getId() . "\n";

echo $p->getPhone()[0]->getNumber() ."\n";

//$p->dump();

echo "------------------------\n";

//print_r($xiao);

} catch (Exception $ex) {

die('Upss.. there is a bug in this example');

}

执行php文件/usr/local/php5/bin/php example_2.php