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This article mainly shows you "how to use php_vld", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "how to use php_vld" this article.

Php vld is one of the PECL extensions extensions, used to view the underlying php compiled opcode, its use is: 1, add extension configuration in php.ini; 2, create a php file named vld.php;3, output vld under the cmd window.

This article operating environment: Windows7 system, PHP5 version, Dell G3 computer.

1. What is VLD?

A: vld is one of the PECL extensions extensions, which is what we extension=php_mysql.dll in php.ini. Its main function is to make it easy for us to view the underlying compiled opcode of php.

2. What is opcode?

3. How to install and use VLD?

1) add VLD to PHP under windows

1. Determine the PHP version of ts? Nts?

First check to see if there is a [php5ts.dll] file in your code, and if so, the PHP version you use is Thread Safe.

Download address:

A: http://windows.php.net/downloads/pecl/releases/vld/0.12.0/

B: http://pecl.php.net/package/vld/0.12.0/windows

2. Php.ini add extension configuration

Extension=php_vld.dll

3. Phpinof to check whether VLD already exists

4. Create a php file named vld.php

5. Output vld under cmd window

Command line: php-dvld.active=1 D:/wnmp/www/test/vld.php

2) VLD configuration under Linux

1. Download and install VLD

Wget http://pecl.php.net/get/vld-0.11.2.tgz

Tar zxvf vld-0.11.2.tgz

Cd. / vld-0.11.2

/ usr/local/php/bin/phpize

. / configure-with-php-config=/usr/local/php/bin/php-config-enable-vld

Make & & make install

2. Edit the php.ini file to activate the vld extension:

Cd / usr/local/php/lib

Add extension=vld.so

3. Restart the server:

/ usr/local/apache2/bin/apachectl restart

4. Create a php file named vld.php

5. Output vld

Php-dvld.active=1. / test.php

Note: if the php environment variable is not set

/ usr/local/php/bin/php-dvld.active=1 test.php

The above is all the contents of this article "how to use php_vld". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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