3v4l.org

run code in 300+ PHP versions simultaneously

@ 2014-01-28T10:37:53Z

<?php
$str = '';
$hashes = array();

$salts = array('BCRYPT' => '$2a$04$1234567890123456789012', 'SHA256' => '$5$rounds=1000$usesomesillystringforsalt$','SHA512' => '$6$rounds=1000$usesomesillystringforsalt$', 'MD5' => '$1$rasmusle$');

foreach ($salts as $algo => $salt) {

	do {
    	$str .= '0';
    	$hashes[] = crypt($str, $salt);
    	if (count(array_unique($hashes)) === count($hashes))
	    	$allUnique = true;
	    else
	        $allUnique = false;
        if (strlen($str) > 500) {
            echo "Could not detect trunction after 500 characters for $algo...giving up...\n\n";
            break;
        }
	} while($allUnique);

	echo "Stopped at " . strlen($str) . " characters for salt $algo before truncation was detected...\n\n";
	$lst = array_pop($hashes);
	$stl = array_pop($hashes);
	echo "$stl\n$lst";

}

Output for git.master_jit, git.master, rfc.property-hooks: Stopped at 73 characters for salt BCRYPT before truncation was detected... $2a$04$123456789012345678901ucLrgvM.TkrxjZYl6pfDktLTbZfVhAXy $2a$04$123456789012345678901ucLrgvM.TkrxjZYl6pfDktLTbZfVhAXy
Process exited with code 137.

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

preferences:dark modelive preview

37.89 ms | 401 KiB | 8 Q