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Base36 Encode and Decode using PHP with example; base36_encode(), base36_decode()

Base 36 is the most compact case-insensitive alphanumeric numeral system using ASCII characters.

PHP
function base36_encode($base10) {
return base_convert($base10, 10, 36);
}
 
function base36_decode($base36) {
return base_convert($base36, 36, 10);
}

PHP
header('Content-Type: text/plain');
$array = array(
// base10 => base36
'1' => '1',
'10' => 'A',
'100' => '2S',
'1000' => 'RS',
'10000' => '7PS',
'100000' => '255S',
'1000000' => 'LFLS',
'1000000000' => 'GJDGXS',
'1000000000000' => 'CRE66I9S',
);
 
foreach ($array as $base10 => $base36) {
echo "base36_encode('" . $base10 . "') => " .
base36_encode($base10) . "\n";
}
 
echo "\n";
 
foreach ($array as $base10 => $base36) {
echo "base36_decode('" . $base36 . "') => " .
base36_decode($base36) . "\n";
}
 
echo "\n";
 
foreach ($array as $base10 => $base36) {
echo "base36_decode('" . strtolower($base36) . "') => " .
base36_decode(strtolower($base36)) . "\n";
}

Code
base36_encode('1') => 1
base36_encode('10') => a
base36_encode('100') => 2s
base36_encode('1000') => rs
base36_encode('10000') => 7ps
base36_encode('100000') => 255s
base36_encode('1000000') => lfls
base36_encode('1000000000') => gjdgxs
base36_encode('1000000000000') => cre66i9s
 
base36_decode('1') => 1
base36_decode('A') => 10
base36_decode('2S') => 100
base36_decode('RS') => 1000
base36_decode('7PS') => 10000
base36_decode('255S') => 100000
base36_decode('LFLS') => 1000000
base36_decode('GJDGXS') => 1000000000
base36_decode('CRE66I9S') => 1000000000000
 
base36_decode('1') => 1
base36_decode('a') => 10
base36_decode('2s') => 100
base36_decode('rs') => 1000
base36_decode('7ps') => 10000
base36_decode('255s') => 100000
base36_decode('lfls') => 1000000
base36_decode('gjdgxs') => 1000000000
base36_decode('cre66i9s') => 1000000000000
 

Comments


  1. nice

  2. thanks a lot :)

  3. nice