3v4l.org

run code in 300+ PHP versions simultaneously
<?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"; }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0171.98518.56
8.3.50.0171.98521.21
8.3.40.0171.98521.50
8.3.30.0032.00120.80
8.2.180.0101.99216.50
8.2.170.0101.99320.69
8.2.160.0032.00121.76
8.1.280.0071.99725.92
7.4.60.0112.45616.60
7.4.50.0121.84216.50
7.4.40.0101.81522.77
7.3.180.0102.45916.49
7.2.310.0102.47116.83
7.2.100.1321.96814.79
7.1.220.0872.18114.11
5.6.380.0162.25814.36
5.3.70.0311.64410.16
5.3.60.0321.71210.44
5.3.50.0292.15710.49
5.3.40.0391.87310.48
5.3.30.0131.60210.36
5.3.20.0631.85910.32
5.3.10.0360.64310.46
5.3.00.0220.67610.33
5.2.170.0040.0049.48
5.2.160.0000.0079.48
5.2.150.0040.0049.48
5.2.140.0070.0009.48
5.2.130.0030.0039.48
5.2.120.0030.0039.48
5.2.110.0040.0049.48
5.2.100.0030.0069.48
5.2.90.0090.0009.48
5.2.80.0050.0029.48
5.2.70.0050.0039.48
5.2.60.0050.0039.48
5.2.50.0050.0039.48
5.2.40.0040.0049.48
5.2.30.0040.0049.48
5.2.20.0000.0069.48
5.2.10.0000.0089.48
5.2.00.0080.0009.48
5.1.60.0030.0039.48
5.1.50.0040.0049.48
5.1.40.0080.0009.48
5.1.30.0030.0059.48
5.1.20.0080.0009.48
5.1.10.0040.0049.48
5.1.00.0070.0009.48
5.0.50.0080.0009.48
5.0.40.0020.0059.48
5.0.30.0030.0059.48
5.0.20.0050.0029.48
5.0.10.0070.0009.48
5.0.00.0050.0009.48
4.4.90.0050.0009.48
4.4.80.0020.0029.48
4.4.70.0020.0029.48
4.4.60.0070.0009.48
4.4.50.0020.0049.48
4.4.40.0000.0069.48
4.4.30.0060.0009.48
4.4.20.0070.0009.48
4.4.10.0000.0069.48
4.4.00.0020.0029.48
4.3.110.0000.0059.48
4.3.100.0060.0009.48
4.3.90.0000.0069.48
4.3.80.0020.0049.48
4.3.70.0000.0049.48
4.3.60.0040.0039.48
4.3.50.0030.0039.48
4.3.40.0000.0079.48
4.3.30.0000.0059.48
4.3.20.0010.0039.48
4.3.10.0040.0009.48
4.3.00.0000.0059.48

preferences:
37.44 ms | 401 KiB | 5 Q