RBA Cash Rate: 4.35% · 1AUD = 0.67 USD · Inflation: 4.1%  
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Example Interest Rates: Home Loan Variable: 5.69% (5.89%*) • Home Loan Fixed: 5.39% (5.84%*) • Fixed: 5.39% (5.84%*) • Variable: 5.69% (5.89%*) • Investment IO: 5.69% (6.19%*) • Investment PI: 5.49% (5.98%*)

Encoding Text With Base64URL

Base64 is a group of similar binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation. Each base64 digit represents exactly 6 bits of data (Source: Wikipedia ).

The passage of Base64 encoded strings isn't ideal in URLs because, while the Base64 alphabet includes A-Z, a-z, and 0-9, it also includes + and /... potentially returning erroneous results when used in a URL. As recommended by RFC 4648 , a Base64URL string (replacing the \ and + with _ and -) can be created using the functions described below. They're referenced in a number of our articles.

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<?php 
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/*
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 Encoding Text With Base64URL
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 http://www.beliefmedia.com/code/php-snippets/encoding-text-base64url
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*/
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function base64url_encode($s) {
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    return str_replace(array('+', '/'), array('-', '_'), base64_encode($s));
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}
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function base64url_decode($s) {
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    return base64_decode(str_replace(array('-', '_'), array('+', '/'), $s));
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}

See also our Base64 online encoding tool.

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