A PHP example of when to use rawurlencode instead of urlencode

A

In the computer world, it’s a method for defining interoptibility.

RAWURLENCODE follows RFC 3986
This is general syntax of a URI

URLENCODE follows RFC 1738
This is general syntax of a URL

The main difference between the two is the encoding of a [SPACE]

URLENCODE – encodes a space as a plus sign ‘+

RAWURLENCODE – encodes a space as ‘%20’

Example

Let’s say you have an anchor tag for a contact form for an email (mailto:)

You want to populate subject line and the body of the email.

PHP urlencode would produce something like this:

<a href=”mailto:notreal@phphaven.com?body=Hi+I+would+like+to+contact+you+about+this+opportunity&subject=New+Opportunity”>Contact us about this</a>
PHP rawurlencode would produce something like this:

<a href=”mailto:notreal@phphaven.com?body=Hi%20I%20would%20like%20to%20contact%20you%20about%20this%20opportunity&subject=New%20Opportunity”>Contact us about this</a>

If we use urlencode, the body and subject will populate with the ‘+’ plus signs.

and

If we use rawurlencode, the body and subject will populate correctly and your link will be valid as of RFC 3986


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swati nuna
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