The Wp-Syntax plugin
for WordPress provides syntax highlighting for
WordPress blogs via the GeSHi PHP syntax
highlighter. Unfortunately, the plugin includes a builtin version of
GeSHi (currently 1.0.8.9) in geshi/. As a result, not only are users
of the plugin not instructed to use the latest version of GeSHi, but it
won’t use a host-wide GeSHi installation that’s already in the PHP
include path (i.e. /usr/share/php/), like the the many php-geshi
packages
offered by repositories including
EPEL (for Fedora, CentOS and RHEL).
The fix is quite simple. Just open wp-syntax.php in the wp-syntax/
plugin directory in your favorite text editor and change the GeSHi
include line (for WP-Syntax 0.9.12, this is line 53) from:
include_once("geshi/geshi.php");
to:
include_once("geshi.php");
If you already have GeSHi installed in the PHP include path, just remove
the geshi directory in your wp-syntax/ plugin directory, flush the
WordPress caches (if any), and load a page which uses GeSHi - it should
now use the host-wide version. If you want to still use a local version
for wp-syntax, you can move things around to where they should be in
the wp-syntax/ plugin directory:
mv geshi/geshi.php . && mv geshi/geshi/* geshi/ && rmdir geshi/geshi
Note - if you’re in a shared hosting environment, or are otherwise not able to upgrade the php-geshi package on your server yourself, you might not want to do this.
I also posted about this in the WordPress support forums. Hopefully the WP-Syntax devs will include this change in the next version…
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