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Introduction
The php-bencode is a PHP extension which can boost the process of encoding and decoding of Bencode.
Installation
Step 1 Install dependencies
# Debian, Ubuntu (from launchpad)
apt-get install php-dev
# Redhat, CentOS, Fedora
yum install php-develStep 2 Build and install
git clone https://git.tsundere.moe/Frederick888/php-bencode.git
cd php-bencode
phpize
./configure --enable-bencode
make
make installStep 3 Enable php-bencode
Add this to your php.ini:
extension=bencode.so
; optional: register classes in "bencode" namespace
bencode.namespace=1Basic Usage
Example 1 Parsing a string directly
php > $bnode = bitem::parse("d4:key1l5:hello5:worlde4:key2i99ee");
php > print_r($bnode->to_meta_array());
Array
(
[_type] => bdict
[_length] => 34
[_data] => Array
(
[key1] => Array
(
[_type] => blist
[_length] => 16
[_data] => Array
(
[0] => Array
(
[_type] => bstr
[_length] => 7
[_data] => hello
)
[1] => Array
(
[_type] => bstr
[_length] => 7
[_data] => world
)
)
)
[key2] => Array
(
[_type] => bint
[_length] => 4
[_data] => 99
)
)
)
php > $bnode->set('key2', new bint(100));
php > echo $bnode;
d4:key1l5:hello5:worlde4:key2i100ee
Example 2 Loading from/saving to a file
php > $bnode = bitem::load('/path/sample.dat');
php > var_dump($bnode->save('/path/sample_copy.dat'));
bool(true)
php > var_dump(md5_file('/path/sample.dat') === md5_file('/path/sample_copy.dat'));
bool(true)
Example 3 Set/delete a path
it may be a better choice to use set_path/get_path/del_path instead, check phpdoc
php > $bnode = new bdict();
php > $bnode->set('key1', new blist());
php > $bnode->get('key1')->add(new bstr('hello'));
php > $bnode->get('key1')->add(new bstr('world'));
php > print_r($bnode->to_array());
Array
(
[key1] => Array
(
[0] => hello
[1] => world
)
)
php > var_dump($bnode->del('key2')); // inexistent key
bool(false)
php > var_dump($bnode->get('key1')->del(1));
bool(true)
php > print_r($bnode->to_array());
Array
(
[key1] => Array
(
[0] => hello
)
)