URL Functions

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URL Functions
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urlencode()

• This function is convenient when encoding a
  string to be used in a query part of a URL, as a
  convenient way to pass variables to the next
  page.
• URL Encoding is used when placing text in a query
  string to avoid it being confused with the URL
  itself. It is normally used when the browser
  sends form data to a web server.
• URL Encoding replaces spaces with "" signs,
  and unsafe ASCII characters with "" followed by
  their hex equivalent
• Eg"Hello World/ AfterEncoding22HelloWorld
  2F
• Eg

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urldecode()

• Decodes any encoding in the given string
• Syntax
• string urldecode ( string str )
• Eg22HelloWorld2F
• After DecodingHello World/
• Eg

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base64_encode()

• Encodes data with MIME base64
• Base64-encoded data takes about 33 more space
  than the original data.
• Eg

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base64_decode

• Decodes data encoded with MIME base64
• data
• The decoded data.
• strict
• Returns FALSE if input contains space or some
  other separator
• Eg