How encode URL in PHP?

PHP | urlencode() Function. The urlencode() function is an inbuilt function in PHP which is used to encode the url. This function returns a string which consist all non-alphanumeric characters except -_. and replace by the percent (%) sign followed by two hex digits and spaces encoded as plus (+) signs.

What is Rawurlencode?

The rawurlencode() function is an inbuilt function in PHP which is used to encode the URL(Uniform Resource Locator) according to RFC(Uniform Resource Identifier) 3986. Syntax: string rawurlencode( $str ) Parameters: This function accepts single parameters $str which is mandatory.

Where is URL encode used?

There are two reasons why you should use URL encoding:

  1. When you need to pass characters that are invalid for URL, such as „ < > # % \ | ^ [ ] ` spaces .
  2. When you need to pass characters that are reserved for URL, such as !

Does PHP automatically decode URL?

Yes, all the parameters you access via $_GET and $_POST are decoded.

What is encodeURIComponent?

The encodeURIComponent() function encodes a URI by replacing each instance of certain characters by one, two, three, or four escape sequences representing the UTF-8 encoding of the character (will only be four escape sequences for characters composed of two “surrogate” characters).

What does 20 mean in a URL?

space
A space is assigned number 32, which is 20 in hexadecimal. When you see “%20,” it represents a space in an encoded URL, for example, http://www.example.com/products%20and%20services.html.

Why do we encode URI?

Why do we need to encode? URLs can only have certain characters from the standard 128 character ASCII set. Reserved characters that do not belong to this set must be encoded. This means that we need to encode these characters when passing into a URL.

What is a URI component?

A Uniform Resource Identifier (URI) is a unique sequence of characters that identifies a logical or physical resource used by web technologies. URIs may be used to identify anything, including real-world objects, such as people and places, concepts, or information resources such as web pages and books.