When to use esc_ URL?
Always use esc_url when sanitizing URLs (in text nodes, attribute nodes or anywhere else). Rejects URLs that do not have one of the provided whitelisted protocols (defaulting to http, https, ftp, ftps, mailto, news, irc, gopher, nntp, feed, and telnet), eliminates invalid characters and removes dangerous characters.
What is esc_ attr in WordPress?
esc_attr() method is one of data sanitization method included in WordPress Core library of methods. And it serves following purpose- * Filters a string cleaned and escaped for output in an HTML attribute. * Text passed to esc_attr() is stripped of invalid or special characters before output.
What to do with ESC _ HTML in WordPress?
esc_html__ () | Function | WordPress Developer Resources esc_html__ (string $text, string $domain = ‘default’) Retrieve the translation of $text and escapes it for safe use in HTML output.
How does the ESC _ url ( ) function work?
Rejects URLs that do not have one of the provided whitelisted protocols (defaulting to http, https, ftp, ftps, mailto, news, irc, gopher, nntp, feed, and telnet), eliminates invalid characters and removes dangerous characters. This function encodes characters as HTML entities: use it when generating an (X)HTML or XML document.
How to use ESC _ HTML to avoid double encoding?
* Filters a string cleaned and escaped for output in HTML. * before output. * @param string $safe_text The text after it has been escaped. * @param string $text The text prior to being escaped. Introduced. Note that esc_html will attempt to avoid double-encoding. Take this code: This will print A & B instead of A & B.
What does escaping the things do in WordPress?
According to the article – Introduction to WordPress Front End Security: Escaping the Things by Andy Adams from CSS-Tricks. Used for: Output that should have absolutely no HTML in the output. What it does: Converts HTML special characters (such as <, >, &) into their “escaped” entity ( <, >, & ).