1. When switching syntax highlighters this comes in handy to change the shortcode used in posts and comments. For example, changing [code lang="php"] to <pre lang="php">. You can add other languages, these are the only two I ever used.
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  3. Back up your database first!
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  5. Using phpMyAdmin, goto the SQL tab, and enter these lines one by one. (don't enter the description of each line)
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  7. For code in post content, this handles php, css and regular [code] tags without language added.
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  9. // changes post content from [code lang="php"] to <pre lang="php">
  10. UPDATE `wp_posts` SET `post_content` = replace(post_content, '[code lang="php"]', '<pre lang="php">')
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  12. // changes post content from [code lang="css"] to <pre lang="css">
  13. UPDATE `wp_posts` SET `post_content` = replace(post_content, '[code lang="css"]', '<pre lang="css">')
  14.  
  15. // changes post content from [code] to <pre>
  16. UPDATE `wp_posts` SET `post_content` = replace(post_content, '[code]', '<pre>')
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  18. // changes post content from [/code] to </pre>
  19. UPDATE `wp_posts` SET `post_content` = replace(post_content, '[/code]', '</pre>')
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  23. For code in comments, this handles php, css and regular [code] tags without language added.
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  25. // changes comments from [code lang="php"] to <pre lang="php">
  26. UPDATE `wp_comments` SET `comment_content` = replace(comment_content, '[code lang="php"]', '<pre lang="php">')
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  28. // changes comments from [code lang="css"] to <pre lang="css">
  29. UPDATE `wp_comments` SET `comment_content` = replace(comment_content, '[code lang="css"]', '<pre lang="css">')
  30.  
  31. // changes comment content from [code] to <pre>
  32. UPDATE `wp_comments` SET `comment_content` = replace(comment_content, '[code]', '<pre>')
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  34. // changes comment content from [/code] to </pre>
  35. UPDATE `wp_comments` SET `comment_content` = replace(comment_content, '[/code]', '</pre>')