The htmlentities2() WordPress PHP function converts entities in a given text, while preserving already-encoded entities.
Usage
htmlentities2( $myHTML )
Example:
Input:
$myHTML = "Convert & Preserve: 5 > 4 & 4 < 5"; echo htmlentities2($myHTML);
Output:
Convert & Preserve: 5 > 4 & 4 < 5
Parameters
$myHTML
(string) – The text to be converted.
More information
See WordPress Developer Resources: htmlentities2()
Examples
Basic Usage
Convert special characters to their HTML entities while preserving already-encoded entities.
$myHTML = "Hello & Welcome to the <World>!"; echo htmlentities2($myHTML);
Preserve Existing Encoded Entities
Preserve existing encoded entities while converting other special characters.
$myHTML = "AT&T is short for AT&T"; echo htmlentities2($myHTML);
Encode Special Characters in URLs
Encode special characters in URLs to make them safe for usage.
$url = "https://example.com/?search=space & time"; echo htmlentities2($url);
Encode Characters in Form Inputs
Encode special characters in form input values to prevent HTML injection attacks.
$input_value = '"><script>alert("XSS")</script>'; echo htmlentities2($input_value);
Encode Special Characters in JSON Strings
Encode special characters in JSON strings to prevent issues while parsing the JSON data.
$json_string = '{"message": "Hello & Welcome!"}'; echo htmlentities2($json_string);