Disable OPcache for specific PHP script. Exclude from OPcache.

Sometimes accelerating with opcache can cause some problems with your application scripts. In those cases, when your script shouldn’t be accelerated, you can specify those scripts with opcache’s blacklist which will exclude this files from acceleration. Example bellow is done on CentOS 7.

First, find configuration file for your opcache php extension. You can do something like this:

[root@meow php.d]# php -i | grep opcache | grep ini
Additional .ini files parsed => /etc/php.d/10-opcache.ini,

Open 10-opcache.ini and you should see something like bellow. Path to opcache’s blacklist file.

; The location of the OPcache blacklist file (wildcards allowed).
; Each OPcache blacklist file is a text file that holds the names of files
; that should not be accelerated.
opcache.blacklist_filename=/etc/php.d/opcache*.blacklist

Close 10-opcache.ini and open file named opcache-default.blacklist which should be in same directory. If not, create one. This file will contain a list of php scripts which should be ignored by opcache. 

[root@meow php.d]# cat opcache-default.blacklist
; The blacklist file is a text file that holds the names of files
; that should not be accelerated. The file format is to add each filename
/path/to/ignored/script/ignoreThis.php
/path/to/another/ignored/script/ignoreThisToo.php
...

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