How can I view opcode when installing VLD in PHP?

Follow this post to check the opcode for installing VLD in PHP. View opcode for installing VLD in PHP
Follow this post to perform operations.
Http://blog.csdn.net/21aspnet/article/details/7002644

However, the result is not displayed on the post. please advise, how to verify whether VLD is installed and view opcode


[Root @ localhost htdocs] # cat index. php
$ A = '000000 ';
Echo $;
[Root @ localhost htdocs] #/usr/local/php/bin/php-dvld. active = 1 index. php
123 [root @ localhost htdocs] #

------ Solution --------------------
Discussion

Re-installed again, phpinfo () cannot find the extension

1. the configuration is enabled in/usr/local/php/etc/php. ini.

2. restart apache

3. use php -- re vld
[Root @ localhost/] # php -- re vld
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib /......