Which PHP function is suited to escape HTML for usage in <iframe srcdoc="???">?
I found two candidates: htmlspecialchars() and htmlentities(). Which one should be used to allow any possible HTML code to be escaped properly?
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Denees
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Silicomancer
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did u read manual?... – user1844933 Mar 31 '14 at 06:23
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You should be using the `htmlspecialchars()` as `htmlentities()` is a pretty _overkill_ compared to the former. – Shankar Narayana Damodaran Mar 31 '14 at 06:24
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Did you try to google .. http://stackoverflow.com/questions/46483/htmlentities-vs-htmlspecialchars – Andy897 Mar 31 '14 at 06:24
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Of course I did. And I see the difference. But I did not understand if htmlspecialchars() is sufficient for that special application or if htmlentities() is necessary (and why). – Silicomancer Mar 31 '14 at 06:30
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htmlspecialchars() does everything you need it too. htmlentities() is for special use cases, like Chinese characters, where you may want to escape them, even though it is not 100% required. htmlspecialchars() seems to be sufficient to protect you from any type of XSS.
Bardi Harborow
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