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Question is in the title, thanks in advance (:

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    it depends if you want to produce HTML, JSON or other format. – Kaperto Jan 3 at 13:49
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Yes, you do. Even if you have sanitised the value when saving it, you should always escape on output.

<a href="<?php echo esc_url( get_theme_mod( 'url' ) ); ?>">

If you're outputting a mailto: link to an email address, you also need to escape this with esc_url(), just make sure that the mailto: part is included in the escaped value, so that it's a valid URL:

<a href="<?php echo esc_url( 'mailto:' . get_theme_mod( 'mail' ) ); ?>">
| improve this answer | |
  • Thank you. What kind of escape should I use (if any) when I use get_theme_mod to input text inside p or h1 tag for example? Eg: <p> <?php echo get_theme_mod( 'text' ); ?> </p> – Arttyor Jan 16 at 15:53
  • Use esc_html() – Jacob Peattie Jan 16 at 23:51

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