Use of PHP functions related to HTML and filtering links in WordPress. _ PHP Tutorial

WordPress uses HTML and PHP functions related to filtering links for parsing ,. The HTML function of WordPress is used for parsing and filtering links. the esc_html () (escape Html) esc_html () function is used to escape Html code, so that Html code is not escaped. Use es WordPress to parse HTML and PHP functions related to filtering links,

Esc_html () (escape Html)
The esc_html () function is used to escape Html code so that Html code is not escaped.

Usage

esc_html( $text );

Parameters

$ Text

(String) (required) the string to be escaped.

Default value: None

Return value

(String) returns the escape character.

Example

echo esc_html( 'A link' );

The above code will be output:

WordPress function: esc_html () (escape Html)

(To prevent browser transcoding, I cut a picture directly)

More

This function is located in: wp-includes/formatting. php

Esc_url () (filter link)
Many URLs have small errors. Using the esc_url () function can block or correct these errors and reject insecure protocols.

Work content of the esc_url () function:

The default DENY is not the URL of the following protocol: defaulting to http, https, ftp, ftps, mailto, news, irc, gopher, nntp, feed, and telnet.
Delete invalid and dangerous characters
Convert characters into HTML entity characters
Usage

esc_url( $url, $protocols, $_context );

Parameters

$ Url

(String) (required) the URL to be filtered.

Default value: None

$ Protocols

(Array) (optional) an array that can receive protocols. If no protocol is set, the default value is: defaulting to http, https, ftp, ftps, mailto, news, irc, gopher, nntp, feed, and telnet.

Default value: None

$ _ Context

(String) (optional) how to return a URL.

Default value: (string) display

Return value

(String) returns the filtered link.

Example

<? Php echo esc_url ('www .endskin.com '); // output: http://www.endskin.com?>

More

This function is located in: wp-includes/formatting. php

Articles you may be interested in:

• How to filter links and SQL statements in WordPress
• Describes how to filter attributes and use SQL statements in WordPress development.

Escape, esc_html () (escape Html) the esc_html () function is used to escape Html code so that Html code is not escaped. Usage es...