3v4l.org

run code in 300+ PHP versions simultaneously
<?php class PseudoRandomSequence { const STATE_HASH = "sha512"; // 1/2 STATE_HASH block size, const STATE_SIZE = 32; private $state; public function __construct($state) { $this->state = $state; $this->mixState(); } public function int($min = 0, $max = PHP_INT_MAX) { $range = $max - $min; if ($range <= 0 || is_float($range)) { throw new Exception("Invalid min/max provided"); } $bits = 0; $tmp = $range; while ($tmp >>= 1) { $bits++; } $bytes = (int) max(ceil($bits / 8), 1); $mask = pow(2, $bits) - 1; do { $rand = $this->bytes($bytes); $result = hexdec(bin2hex($rand)) & $mask; } while ($result > $range); return $result + $min; } public function bytes($n) { $ret = ''; do { $ret .= $this->mixState(); } while (strlen($ret) < $n); return substr($ret, 0, $n); } private function mixState() { $hash = hash(self::STATE_HASH, $this->state, true); $this->state = substr($hash, 0, self::STATE_SIZE); return substr($hash, self::STATE_SIZE); } } $prng = new PseudoRandomSequence("test"); var_dump($prng->int(0, 10)); var_dump($prng->int(0, 10)); var_dump($prng->int(0, 10)); var_dump($prng->int(0, 10)); $prng = new PseudoRandomSequence("other"); var_dump($prng->int(0, 100)); var_dump($prng->int(0, 100)); var_dump($prng->int(0, 100)); var_dump($prng->int(0, 100));

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)
8.5.30.0090.00817.40
8.5.20.0110.00718.36
8.5.10.0080.01120.27
8.5.00.0060.01620.27
8.4.180.0120.01019.75
8.4.170.0120.01023.96
8.4.160.0150.01023.33
8.4.150.0070.00517.89
8.4.140.0090.01317.35
8.4.130.0070.00219.73
8.4.120.0060.00420.34
8.4.110.0080.01222.71
8.4.100.0140.00717.64
8.4.90.0110.01118.70
8.4.80.0120.00920.63
8.4.70.0100.01018.01
8.4.60.0110.00919.16
8.4.50.0080.01120.65
8.4.40.0130.00719.37
8.4.30.0160.00717.74
8.4.20.0130.00717.88
8.4.10.0160.00017.82
8.3.300.0090.01120.98
8.3.290.0120.00920.94
8.3.280.0130.00718.28
8.3.270.0120.00716.66
8.3.260.0090.01017.05
8.3.250.0120.00618.70
8.3.240.0120.00817.13
8.3.230.0130.00516.84
8.3.220.0160.00319.25
8.3.210.0100.00916.79
8.3.200.0120.00716.65
8.3.190.0100.00817.20
8.3.180.0120.00716.61
8.3.170.0060.01320.75
8.3.160.0070.01117.01
8.3.150.0070.01117.54
8.3.140.0040.00416.81
8.3.130.0090.00018.44
8.3.120.0160.00320.60
8.3.110.0080.00020.94
8.3.100.0130.00316.86
8.3.90.0040.00416.83
8.3.80.0030.00718.43
8.3.70.0120.00618.55
8.3.60.0070.01418.68
8.3.50.0090.01021.99
8.3.40.0040.01118.79
8.3.30.0160.00619.22
8.3.20.0040.00420.30
8.3.10.0140.00421.91
8.3.00.0060.00319.38
8.2.300.0110.01018.10
8.2.290.0030.00620.68
8.2.280.0140.00618.44
8.2.270.0090.00917.38
8.2.260.0080.00016.55
8.2.250.0110.00318.81
8.2.240.0040.00417.31
8.2.230.0060.00322.58
8.2.220.0160.00324.06
8.2.210.0120.00626.77
8.2.200.0030.00616.50
8.2.190.0150.00616.58
8.2.180.0070.01518.16
8.2.170.0140.00022.96
8.2.160.0040.01119.20
8.2.150.0150.00424.18
8.2.140.0090.00924.66
8.2.130.0110.00726.16
8.2.120.0050.00319.66
8.2.110.0030.00620.52
8.2.100.0090.00317.91
8.2.90.0050.00319.25
8.2.80.0040.00417.97
8.2.70.0030.00617.75
8.2.60.0040.00418.16
8.2.50.0040.00418.07
8.2.40.0000.00820.07
8.2.30.0040.00418.23
8.2.20.0080.00017.75
8.2.10.0030.00518.30
8.2.00.0000.00817.75
8.1.340.0110.00917.64
8.1.330.0110.00821.95
8.1.320.0110.00816.35
8.1.310.0040.00416.63
8.1.300.0050.00518.04
8.1.290.0090.00018.88
8.1.280.0110.00725.92
8.1.270.0090.00022.20
8.1.260.0040.00426.35
8.1.250.0100.00028.09
8.1.240.0030.00623.82
8.1.230.0070.00420.86
8.1.220.0000.00818.04
8.1.210.0000.00818.77
8.1.200.0060.00317.38
8.1.190.0000.00817.48
8.1.180.0060.00318.10
8.1.170.0040.00420.29
8.1.160.0040.00422.10
8.1.150.0080.00018.89
8.1.140.0040.00417.49
8.1.130.0030.00318.00
8.1.120.0030.00617.49
8.1.110.0000.00717.55
8.1.100.0040.00417.54
8.1.90.0040.00417.59
8.1.80.0000.00717.53
8.1.70.0070.00017.58
8.1.60.0060.00317.55
8.1.50.0060.00317.62
8.1.40.0040.00417.65
8.1.30.0040.00417.79
8.1.20.0070.00017.82
8.1.10.0040.00417.52
8.1.00.0060.00317.68
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0070.00018.53
8.0.270.0040.00417.43
8.0.260.0000.00717.43
8.0.250.0040.00416.95
8.0.240.0000.00817.00
8.0.230.0000.00717.09
8.0.220.0000.00717.05
8.0.210.0030.00516.91
8.0.200.0060.00316.90
8.0.190.0000.00716.99
8.0.180.0070.00017.07
8.0.170.0000.00717.04
8.0.160.0060.00316.90
8.0.150.0090.00016.91
8.0.140.0070.00016.96
8.0.130.0060.00313.53
8.0.120.0040.00417.02
8.0.110.0040.00416.92
8.0.100.0030.00517.05
8.0.90.0030.00517.11
8.0.80.0060.01216.96
8.0.70.0070.00017.01
8.0.60.0000.00816.97
8.0.50.0070.00017.09
8.0.30.0050.01317.09
8.0.20.0100.00817.40
8.0.10.0080.00017.03
8.0.00.0090.00916.92
7.4.330.0000.00515.07
7.4.320.0040.00416.74
7.4.300.0030.00316.77
7.4.290.0040.00416.71
7.4.280.0000.00716.61
7.4.270.0070.00016.75
7.4.260.0000.00716.65
7.4.250.0030.00516.69
7.4.240.0000.00816.66
7.4.230.0000.00716.73
7.4.220.0110.00916.83
7.4.210.0150.00616.73
7.4.200.0040.00416.82
7.4.160.0060.00916.61
7.4.150.0090.00917.40
7.4.140.0130.00917.86
7.4.130.0100.01016.61
7.4.120.0080.00816.58
7.4.110.0070.01116.87
7.4.100.0070.01116.69
7.4.90.0070.01116.51
7.4.80.0120.00619.39
7.4.70.0060.01216.68
7.4.60.0120.01216.46
7.4.50.0040.00416.59
7.4.40.0140.00316.57
7.4.30.0160.00416.74
7.4.00.0050.01114.86
7.3.330.0000.00613.33
7.3.320.0060.00913.25
7.3.310.0000.00716.28
7.3.300.0030.00316.38
7.3.290.0080.00716.45
7.3.280.0090.00916.46
7.3.270.0070.01117.40
7.3.260.0060.01116.75
7.3.250.0100.00916.66
7.3.240.0090.00916.42
7.3.230.0150.00816.76
7.3.210.0090.00916.57
7.3.200.0060.01219.39
7.3.190.0120.00316.71
7.3.180.0140.00316.73
7.3.170.0090.00916.44
7.3.160.0030.01416.46
7.3.120.0100.01015.07
7.3.110.0110.00714.80
7.3.100.0030.01414.82
7.3.90.0060.00914.86
7.3.80.0070.00714.48
7.3.70.0120.00314.57
7.3.60.0090.00314.88
7.3.50.0070.00714.83
7.3.40.0170.00014.73
7.3.30.0120.00614.76
7.3.20.0060.00316.79
7.3.10.0160.00016.83
7.3.00.0060.00916.72
7.2.330.0040.02016.59
7.2.320.0120.00316.86
7.2.310.0060.00916.61
7.2.300.0100.01316.77
7.2.290.0090.00916.64
7.2.250.0100.01014.86
7.2.240.0000.02115.25
7.2.230.0030.01315.31
7.2.220.0070.00314.74
7.2.210.0040.01114.99
7.2.200.0100.00715.11
7.2.190.0030.01214.93
7.2.180.0100.00315.18
7.2.170.0060.01315.07
7.2.00.0030.01019.51
7.1.330.0080.00815.82
7.1.320.0090.00315.70
7.1.310.0040.01115.87
7.1.300.0090.00315.50
7.1.290.0130.00315.96
7.1.280.0070.01015.77
7.1.270.0000.01015.73
7.1.260.0150.00015.72
7.1.100.0030.01318.13
7.1.70.0070.00717.28
7.1.60.0120.00919.50
7.1.50.0100.01317.05
7.1.00.0030.07722.35
7.0.200.0050.01015.01
7.0.140.0070.07022.18
7.0.100.0100.04320.02
7.0.90.0230.06019.98
7.0.80.0130.04320.02
7.0.70.0230.05319.96
7.0.60.0100.07719.94
7.0.50.0030.06320.36
7.0.40.0030.04320.08
7.0.30.0000.06020.05
7.0.20.0070.04720.14
7.0.10.0030.04020.07
7.0.00.0070.04019.95
5.6.280.0100.06721.09
5.6.250.0030.05320.74
5.6.240.0130.06720.68
5.6.230.0070.04020.52
5.6.220.0000.07020.60
5.6.210.0070.05320.78
5.6.200.0070.06721.03
5.6.190.0130.08021.12
5.6.180.0170.07321.08
5.6.170.0070.06321.07
5.6.160.0070.04021.02
5.6.150.0030.07321.04
5.6.140.0000.04721.04
5.6.130.0070.03720.98
5.6.120.0130.06020.97
5.6.110.0130.03721.04
5.6.100.0100.06721.02
5.6.90.0100.07721.07
5.6.80.0100.07320.36
5.6.70.0200.06020.39
5.6.60.0130.07320.32
5.6.50.0030.04020.36
5.6.40.0000.07320.54
5.6.30.0000.04020.55
5.6.20.0030.04020.38
5.6.10.0130.03720.33
5.6.00.0100.03320.30
5.5.380.0130.03020.52
5.5.370.0100.07020.50
5.5.360.0070.05720.46
5.5.350.0070.08320.49
5.5.340.0000.07720.92
5.5.330.0070.03720.90
5.5.320.0070.06020.93
5.5.310.0100.06720.91
5.5.300.0070.04320.77
5.5.290.0000.06320.89
5.5.280.0100.06720.91
5.5.270.0070.04020.90
5.5.260.0100.03720.89
5.5.250.0030.04020.71
5.5.240.0170.07320.32
5.5.230.0130.07320.26
5.5.220.0100.08020.25
5.5.210.0170.02720.15
5.5.200.0130.07720.16
5.5.190.0100.06720.28
5.5.180.0030.04320.10
5.5.160.0000.04320.31
5.5.150.0030.04020.28
5.5.140.0070.04020.16
5.5.130.0100.03320.01
5.5.120.0030.04020.12
5.5.110.0030.04020.22
5.5.100.0170.04320.10
5.5.90.0030.04020.18
5.5.80.0070.04020.17
5.5.70.0130.03320.08
5.5.60.0000.04320.07
5.5.50.0070.03020.07
5.5.40.0070.03020.16
5.5.30.0030.04020.09
5.5.20.0070.04720.12
5.5.10.0070.03020.13
5.5.00.0000.03720.04
5.4.450.0070.04019.23
5.4.440.0030.06719.36
5.4.430.0130.03019.45
5.4.420.0030.04319.55
5.4.410.0070.07319.32
5.4.400.0100.06719.04
5.4.390.0000.07719.16
5.4.380.0100.07018.90
5.4.370.0100.03019.04
5.4.360.0070.03318.90
5.4.350.0000.06718.87
5.4.340.0070.03719.18
5.4.320.0100.03019.21
5.4.310.0030.04019.23
5.4.300.0070.03719.13
5.4.290.0030.03719.12
5.4.280.0030.04019.21
5.4.270.0030.04018.90
5.4.260.0030.03018.87
5.4.250.0000.04719.20
5.4.240.0100.02318.84
5.4.230.0000.04019.02
5.4.220.0070.03719.08
5.4.210.0070.02718.87
5.4.200.0000.04319.04
5.4.190.0030.03319.02
5.4.180.0000.03719.11
5.4.170.0070.03019.03
5.4.160.0030.03019.10
5.4.150.0000.03719.00
5.4.140.0070.04016.41
5.4.130.0000.03316.39
5.4.120.0070.02716.43
5.4.110.0100.03316.49
5.4.100.0000.03316.43
5.4.90.0100.02716.38
5.4.80.0000.03316.35
5.4.70.0000.03316.45
5.4.60.0070.02716.37
5.4.50.0000.03716.32
5.4.40.0070.03016.46
5.4.30.0130.03016.48
5.4.20.0070.02716.49
5.4.10.0070.03016.39
5.4.00.0030.03015.91
5.3.290.0100.06014.75
5.3.280.0000.04314.73
5.3.270.0070.02714.61
5.3.260.0030.03014.55
5.3.250.0000.03314.65
5.3.240.0100.02314.61
5.3.230.0030.03714.67
5.3.220.0030.03314.55
5.3.210.0070.03014.55
5.3.200.0030.03314.66
5.3.190.0000.03714.60
5.3.180.0000.03314.61
5.3.170.0000.03314.51
5.3.160.0030.03014.69
5.3.150.0030.03314.64
5.3.140.0030.03014.55
5.3.130.0070.02714.62
5.3.120.0000.03314.71
5.3.110.0000.04014.69
5.3.100.0000.03314.01
5.3.90.0030.03314.02
5.3.80.0030.03313.96
5.3.70.0000.03314.15
5.3.60.0030.03014.07
5.3.50.0030.03014.08
5.3.40.0030.03313.88
5.3.30.0070.06314.00
5.3.20.0100.03713.69
5.3.10.0000.04313.73
5.3.00.0000.05013.70
5.2.170.0000.03311.02
5.2.160.0070.02011.06
5.2.150.0000.02711.23
5.2.140.0030.05311.04
5.2.130.0000.04011.15
5.2.120.0000.03011.02
5.2.110.0000.04711.23
5.2.100.0000.05010.98
5.2.90.0030.05311.03
5.2.80.0070.03011.20
5.2.70.0030.06711.23
5.2.60.0100.04311.08
5.2.50.0000.04010.97
5.2.40.0030.06011.00
5.2.30.0000.03010.92
5.2.20.0000.06711.03
5.2.10.0030.03310.88
5.2.00.0000.06010.88
5.1.60.0030.05010.00
5.1.50.0030.02310.09
5.1.40.0070.0539.99
5.1.30.0100.02010.26
5.1.20.0070.02010.50
5.1.10.0000.03010.07
5.1.00.0030.0339.97
5.0.50.0000.0238.65
5.0.40.0130.0378.55
5.0.30.0100.0478.48
5.0.20.0000.0338.48
5.0.10.0000.0208.48
5.0.00.0000.0338.48
4.4.90.0030.0108.48
4.4.80.0000.0178.48
4.4.70.0030.0338.48
4.4.60.0000.0378.48
4.4.50.0070.0338.48
4.4.40.0000.0538.48
4.4.30.0000.0308.48
4.4.20.0070.0278.48
4.4.10.0030.0208.48
4.4.00.0000.0338.48
4.3.110.0030.0278.48
4.3.100.0070.0308.48
4.3.90.0000.0208.48
4.3.80.0070.0478.48
4.3.70.0100.0238.48
4.3.60.0000.0278.48
4.3.50.0000.0238.48
4.3.40.0030.0508.48
4.3.30.0000.0208.48
4.3.20.0000.0138.48
4.3.10.0000.0208.48
4.3.00.0000.0178.48

preferences:
115.21 ms | 2337 KiB | 5 Q