esc_html() (escape Html)
The esc_html() function is used to escape the Html code so that the Html code does not escape.
usage
esc_html( $text );
parameter
$text
(String) (must) string to escape.
Default value: None
Return value
(String) Returns the escaped character.
example
echo esc_html( '<a href="/">A link</a>' );
The above code will output:
WordPress function: esc_html() (escape Html)
(In order to prevent browser transcoding, I directly took a picture)
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This function is located at: wp-includes/
esc_url() (Filter link)
Many URLs have minor errors. The esc_url() function can block or correct these errors, and can reject unsafe protocols.
The working content of the esc_url() function:
The default rejection is not the URL of the following protocol: defaulting to http, https, ftp, ftps, mailto, news, irc, gopher, nntp, feed and telnet
Remove invalid and dangerous characters
Convert characters to HTML entity characters
How to use
esc_url( $url, $protocols, $_context );
parameter
$url
(String) (must) URL to be filtered.
Default value: None
$protocols
(Array) (Optional) Can receive arrays of protocols. If not set, the default is: defaulting to http, https, ftp, ftps, mailto, news, irc, gopher, nntp, feed, and telnet.
Default value: None
$_context
(String) (optional) How to return URL.
Default value: (string) display
Return value
(String) Returns the filtered link.
example
<?php echo esc_url( '' );//Output: ?>
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This function is located at: wp-includes/