Title: [Plugin: SyntaxHighlighter Evolved] PHP error apache log
Last modified: August 19, 2016

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# [Plugin: SyntaxHighlighter Evolved] PHP error apache log

 *  [dotnature](https://wordpress.org/support/users/dotnature/)
 * (@dotnature)
 * [15 years, 2 months ago](https://wordpress.org/support/topic/plugin-syntaxhighlighter-evolved-php-error-apache-log/)
 * I get an error in my logs for this plugin.
 * [client xx.xx.xx.xx] PHP Warning: call_user_func_array() expects parameter 1 
   to be a valid callback, class ‘SyntaxHighlighter’ does not have a method ‘output_header_placeholder’
   in /xxx/xxx/example.com/public_html/wp-includes/plugin.php on line 395
 * any ideas?
 * [http://wordpress.org/extend/plugins/syntaxhighlighter/](http://wordpress.org/extend/plugins/syntaxhighlighter/)

The topic ‘[Plugin: SyntaxHighlighter Evolved] PHP error apache log’ is closed to
new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/syntaxhighlighter_ffffff.svg)
 * [SyntaxHighlighter Evolved](https://wordpress.org/plugins/syntaxhighlighter/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/syntaxhighlighter/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/syntaxhighlighter/)
 * [Active Topics](https://wordpress.org/support/plugin/syntaxhighlighter/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/syntaxhighlighter/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/syntaxhighlighter/reviews/)

 * 0 replies
 * 1 participant
 * Last reply from: [dotnature](https://wordpress.org/support/users/dotnature/)
 * Last activity: [15 years, 2 months ago](https://wordpress.org/support/topic/plugin-syntaxhighlighter-evolved-php-error-apache-log/)
 * Status: not resolved