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@ 2013-02-08T00:46:02Z

<?php
function hashCalc($arrKey)
{
	$keyLen=count($arrKey);
	$hash=5381;
	$i=0;
	for(;$keyLen>=8;$keyLen-=8)
	{
		$hash=(($hash<<5)+$hash)+$arrKey[$i++];
		$hash=(($hash<<5)+$hash)+$arrKey[$i++];
		$hash=(($hash<<5)+$hash)+$arrKey[$i++];
		$hash=(($hash<<5)+$hash)+$arrKey[$i++];
		$hash=(($hash<<5)+$hash)+$arrKey[$i++];
		$hash=(($hash<<5)+$hash)+$arrKey[$i++];
		$hash=(($hash<<5)+$hash)+$arrKey[$i++];
		$hash=(($hash<<5)+$hash)+$arrKey[$i++];
	}
	switch($keyLen)
	{
		case 7: $hash=(($hash<<5)+$hash)+$arrKey[$i++];
		case 6: $hash=(($hash<<5)+$hash)+$arrKey[$i++];
		case 5: $hash=(($hash<<5)+$hash)+$arrKey[$i++];
		case 4: $hash=(($hash<<5)+$hash)+$arrKey[$i++];
		case 3: $hash=(($hash<<5)+$hash)+$arrKey[$i++];
		case 2: $hash=(($hash<<5)+$hash)+$arrKey[$i++];
		case 1: $hash=(($hash<<5)+$hash)+$arrKey[$i++];
		case 0: 
		default: break;
	}
	return $hash;
}

$arrInput=explode(",","0,1,2,3,4,5,6,7,8,9,1,2,3,4,5");
echo hashCalc($arrInput);

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: Implicit conversion from float 1.3712707475956173E+19 to int loses precision in /in/26aTk on line 23 Deprecated: Implicit conversion from float 9.797488937524464E+18 to int loses precision in /in/26aTk on line 24 Deprecated: Implicit conversion from float 9.722485685244922E+18 to int loses precision in /in/26aTk on line 25 -6.4418707756273E+17

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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