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My wordpress site has this annoying problem: it converts the single quotes (e.g. it's) into double quotes (it"s) and it looks bad.

For example, look at the title of this post. I have searched long and hard about this.

I have read about php.ini and the magic quotes parameter, but it is already off on my server (and everything other that has to do with magic quotes)

I have commented the wp_magic_quotes(); line on wp-settings.php but it changed nothing.

I have found some 6+ years old posts on wordpress forums that reference plugins that don't exist anymore and changes on wordpress files that also don't exist.

Any suggestions will be greatly appreciated.

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Add this code your functions.php

Reference : Issue with double dash

remove_filter( 'the_title' , 'wptexturize'  );
remove_filter( 'the_content' , 'wptexturize' );
remove_filter( 'the_excerpt' , 'wptexturize' );
remove_filter( 'comment_text' , 'wptexturize' );
remove_filter( 'list_cats' , 'wptexturize' );
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Sometimes asking for some help is the best way to find help for yourself. Luck works in strange ways, doesn't it?

I just had to add these lines in the function.php of my theme

//Remove from Post Content
remove_filter('the_content', 'wptexturize');
//Remove from Post Title
remove_filter('the_title', 'wptexturize');
//Remove from Post Excerpt
remove_filter('the_excerpt', 'wptexturize');
//Remove from Post Comments
remove_filter('comment_text', 'wptexturize');
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To start with, I would check that the content has the correct type of quote in the database entry for the page.

If the d/b entry has the correct quote, next, look at what filters are being applied to the content before it's being rendered out. Find the code in your template & see what function is being used to display it, then track back until you can find out what it is that's changing the content.

If the d/b does not have the correct quotes, then look at the action\filter hooks that are called when the post is saved. You could try a plugin like this to see what hooks are being called, although with the save action, you may not see the results as the page will redirect.

  • Thanks for the input. I fixed it by adding the line remove_filter('the_title', 'wptexturize'); on my theme's function.php (and similar lines for the content, the excerpt and the comments). I was waiting for the 8 hours to post this as an answer to my original question. – Angelos Kyritsis Jan 15 '14 at 13:42
  • Glad you managed to fix it. Do you understand why this fixes it? If not I could explain further if you like. – TobyG Jan 16 '14 at 14:37
  • Well, I guess the wptexturize filter changes the plain quotes to double curvy quotes, and by removing it I am left with the right ones. What I don't understand is why the filter turns a single quote in a double curvy one. – Angelos Kyritsis Jan 16 '14 at 18:29
  • Maybe that's a question for the developer of the plugin? – TobyG Jan 22 '14 at 14:28
  • It wasn't a specific plugin that caused it. I don't have any plugins for the text – Angelos Kyritsis Jan 22 '14 at 20:53

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