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(8); $result = hexdec(bin2hex($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)
8.3.60.0120.00918.66
8.3.50.0150.00422.12
8.3.40.0100.00718.96
8.3.30.0110.00419.17
8.3.20.0030.00620.29
8.3.10.0070.01122.07
8.3.00.0100.00019.48
8.2.180.0090.00618.29
8.2.170.0040.01219.16
8.2.160.0070.00722.96
8.2.150.0060.01324.18
8.2.140.0130.00624.66
8.2.130.0080.00026.16
8.2.120.0050.00319.90
8.2.110.0070.00321.12
8.2.100.0000.01117.88
8.2.90.0060.00319.30
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0040.00418.05
8.2.50.0000.00818.07
8.2.40.0050.00319.91
8.2.30.0000.00818.19
8.2.20.0040.00417.93
8.2.10.0050.00318.30
8.2.00.0080.00017.83
8.1.280.0130.00325.92
8.1.270.0100.00020.73
8.1.260.0060.00326.35
8.1.250.0120.00628.09
8.1.240.0090.00023.95
8.1.230.0040.00817.60
8.1.220.0040.00418.04
8.1.210.0000.00818.77
8.1.200.0000.00917.60
8.1.190.0030.00617.48
8.1.180.0040.00418.10
8.1.170.0030.00620.47
8.1.160.0000.00722.21
8.1.150.0030.00519.12
8.1.140.0000.00817.56
8.1.130.0000.00718.02
8.1.120.0040.00417.71
8.1.110.0000.00717.57
8.1.100.0050.00317.70
8.1.90.0000.00717.66
8.1.80.0050.00217.64
8.1.70.0030.00517.60
8.1.60.0090.00017.66
8.1.50.0050.00317.75
8.1.40.0040.00417.74
8.1.30.0060.00317.87
8.1.20.0050.00317.79
8.1.10.0040.00417.68
8.1.00.0040.00417.66
8.0.300.0000.00718.77
8.0.290.0000.00816.72
8.0.280.0070.00018.70
8.0.270.0000.00717.46
8.0.260.0030.00617.34
8.0.250.0040.00417.07
8.0.240.0040.00417.11
8.0.230.0040.00417.18
8.0.220.0030.00317.14
8.0.210.0040.00417.07
8.0.200.0030.00916.96
8.0.190.0000.00717.08
8.0.180.0020.00517.03
8.0.170.0000.00817.13
8.0.160.0000.00817.19
8.0.150.0040.00416.95
8.0.140.0050.00217.06
8.0.130.0040.00413.51
8.0.120.0000.00916.95
8.0.110.0000.00817.09
8.0.100.0000.00717.19
8.0.90.0040.00417.07
8.0.80.0040.01817.09
8.0.70.0000.00816.95
8.0.60.0000.00816.96
8.0.50.0020.00516.92
8.0.30.0120.01017.31
8.0.20.0070.01217.61
8.0.10.0030.00517.12
8.0.00.0080.01017.07
7.4.330.0000.00615.21
7.4.320.0040.00416.74
7.4.300.0070.00016.79
7.4.290.0000.00816.79
7.4.280.0030.00316.78
7.4.270.0070.00016.66
7.4.260.0000.00716.75
7.4.250.0070.00016.76
7.4.240.0040.00316.80
7.4.230.0000.00716.86
7.4.220.0080.01816.60
7.4.210.0000.01616.73
7.4.200.0040.00416.60
7.4.160.0100.00616.63
7.4.150.0100.00717.40
7.4.140.0100.00817.86
7.4.130.0090.00916.79
7.4.120.0050.01216.69
7.4.110.0110.00816.52
7.4.100.0160.00616.73
7.4.90.0000.01716.64
7.4.80.0130.01019.39
7.4.70.0170.00016.65
7.4.60.0120.00616.68
7.4.50.0000.00516.56
7.4.40.0120.00616.68
7.4.30.0080.01116.73
7.4.00.0040.01214.93
7.3.330.0050.00213.39
7.3.320.0150.00013.51
7.3.310.0090.00016.36
7.3.300.0040.00416.40
7.3.290.0040.01116.50
7.3.280.0100.00816.50
7.3.270.0090.00917.40
7.3.260.0110.00616.52
7.3.250.0100.00816.57
7.3.240.0110.00816.45
7.3.230.0130.00316.54
7.3.210.0090.00816.61
7.3.200.0110.01119.39
7.3.190.0160.00016.81
7.3.180.0030.01216.67
7.3.170.0130.00316.74
7.3.160.0150.00816.39
7.3.120.0090.00814.88
7.3.110.0050.01314.97
7.3.100.0100.00915.01
7.3.90.0080.00614.88
7.3.80.0090.00714.75
7.3.70.0080.00315.00
7.3.60.0070.00715.00
7.3.50.0030.01214.85
7.3.40.0060.01114.82
7.3.30.0050.00914.95
7.3.20.0060.00616.91
7.3.10.0080.00516.75
7.3.00.0050.00716.83
7.2.330.0040.01516.99
7.2.320.0060.00917.02
7.2.310.0120.00616.75
7.2.300.0080.00816.92
7.2.290.0090.00916.93
7.2.250.0070.01115.22
7.2.240.0090.00815.27
7.2.230.0060.01315.17
7.2.220.0030.01015.34
7.2.210.0080.01015.04
7.2.200.0040.00915.26
7.2.190.0060.00815.20
7.2.180.0110.00515.24
7.2.170.0030.01015.08
7.2.160.0070.00715.35
7.2.150.0080.00817.11
7.2.140.0060.01017.06
7.2.130.0030.00716.75
7.2.120.0030.01316.89
7.2.110.0040.01116.95
7.2.100.0100.00617.13
7.2.90.0060.00617.16
7.2.80.0130.00317.04
7.2.70.0080.00817.14
7.2.60.0080.00816.98
7.2.50.0150.00017.04
7.2.40.0090.00617.16
7.2.30.0070.00417.03
7.2.20.0090.00617.10
7.2.10.0000.01217.13
7.2.00.0080.00718.32
7.1.330.0060.01016.01
7.1.320.0000.01615.63
7.1.310.0080.00315.81
7.1.300.0070.00415.97
7.1.290.0060.00915.60
7.1.280.0070.00515.69
7.1.270.0070.00715.84
7.1.260.0070.00615.94
7.1.250.0070.00315.84
7.1.240.0120.00015.97
7.1.230.0030.00915.73
7.1.220.0130.00315.86
7.1.210.0000.01316.00
7.1.200.0030.01015.95
7.1.190.0030.01415.64
7.1.180.0100.00715.45
7.1.170.0090.00915.81
7.1.160.0100.00615.91
7.1.150.0080.00415.85
7.1.140.0000.01315.93
7.1.130.0070.00715.88
7.1.120.0090.00615.88
7.1.110.0100.00315.72
7.1.100.0030.00816.93
7.1.90.0080.00415.92
7.1.80.0070.00716.05
7.1.70.0020.01116.59
7.1.60.0050.01217.75
7.1.50.0050.01016.55
7.1.40.0050.00515.96
7.1.30.0030.01015.89
7.1.20.0040.00415.98
7.1.10.0070.01015.51
7.1.00.0070.04019.15
7.0.330.0070.00715.58
7.0.320.0060.00615.55
7.0.310.0000.01315.50
7.0.300.0000.01015.41
7.0.290.0000.01415.30
7.0.280.0000.01315.27
7.0.270.0030.01015.55
7.0.260.0110.00415.27
7.0.250.0030.00815.58
7.0.240.0070.00715.71
7.0.230.0060.00615.51
7.0.220.0060.00915.54
7.0.210.0130.00015.49
7.0.200.0050.01015.33
7.0.190.0000.01115.66
7.0.180.0110.00015.70
7.0.170.0040.00815.65
7.0.160.0040.01115.63
7.0.150.0000.01015.56
7.0.140.0030.04218.75
7.0.130.0000.01115.64
7.0.120.0030.01215.49
7.0.110.0000.01715.63
7.0.100.0000.01415.45
7.0.90.0090.00315.47
7.0.80.0060.01015.52
7.0.70.0030.01415.19
7.0.60.0110.03417.74
7.0.50.0040.04616.79
7.0.40.0050.02817.47
7.0.30.0170.02517.49
7.0.20.0170.03017.58
7.0.10.0130.02717.49
7.0.00.0120.04217.54
5.6.400.0000.01314.84
5.6.390.0030.01214.84
5.6.380.0060.00914.84
5.6.370.0060.00914.84
5.6.360.0000.01514.84
5.6.350.0070.00714.88
5.6.340.0110.00414.84
5.6.330.0090.00614.84
5.6.320.0060.00314.84
5.6.310.0110.00414.84
5.6.300.0070.00714.84
5.6.290.0030.01414.84
5.6.280.0090.03618.04
5.6.270.0090.00914.84
5.6.260.0060.00614.84
5.6.250.0040.00414.84
5.6.240.0000.01814.84
5.6.230.0070.01014.84
5.6.220.0030.01314.87
5.6.210.0080.03817.76
5.6.200.0030.04516.60
5.6.190.0050.04817.70
5.6.180.0160.03817.72
5.6.170.0080.02917.73
5.6.160.0080.03817.75
5.6.150.0080.02616.58
5.6.140.0110.04016.58
5.6.130.0070.04516.58
5.6.120.0070.03718.01
5.6.110.0080.04717.96
5.6.100.0120.04218.00
5.6.90.0050.02718.01
5.6.80.0070.03717.66
5.6.70.0130.04717.65
5.6.60.0070.00714.84
5.6.50.0000.01214.84
5.6.40.0030.01014.84
5.6.30.0070.00714.84
5.6.20.0110.00314.84
5.6.10.0090.00614.84
5.6.00.0030.01014.84
5.5.380.0000.01414.84
5.5.370.0060.01214.84
5.5.360.0060.00614.84
5.5.350.0030.04017.67
5.5.340.0070.02316.48
5.5.330.0120.03217.59
5.5.320.0170.04017.69
5.5.310.0200.03817.73
5.5.300.0100.04116.52
5.5.290.0030.02316.46
5.5.280.0070.04417.92
5.5.270.0080.02217.99
5.5.260.0140.03817.88
5.5.250.0030.04917.79
5.5.240.0060.04317.66
5.5.230.0070.00714.84
5.5.220.0030.01014.84
5.5.210.0120.00314.84
5.5.200.0000.00914.84
5.5.190.0070.00414.84
5.5.180.0070.00414.84
5.5.170.0100.00014.84
5.5.160.0030.00814.84
5.5.150.0030.00714.84
5.5.140.0060.00614.84
5.5.130.0040.01114.84
5.5.120.0120.00414.84
5.5.110.0070.00414.84
5.5.100.0070.00414.84
5.5.90.0030.01014.84
5.5.80.0030.01314.84
5.5.70.0070.00814.84
5.5.60.0070.00714.84
5.5.50.0030.01314.84
5.5.40.0060.01314.84
5.5.30.0080.00614.84
5.5.20.0000.01614.84
5.5.10.0030.00814.84
5.5.00.0080.00514.84
5.4.450.0400.03317.24
5.4.440.0150.03317.00
5.4.430.0270.02817.27
5.4.420.0460.04317.21
5.4.410.0310.03317.18
5.4.400.0690.03716.73
5.4.390.0550.03116.82
5.4.380.0500.03116.74
5.4.370.0610.03616.70
5.4.360.0460.03216.82
5.4.350.0470.03316.84
5.4.340.0530.02816.66
5.4.330.0110.00014.84
5.4.320.0530.02816.75
5.4.310.0600.02716.68
5.4.300.0590.04016.69
5.4.290.0590.03716.80
5.4.280.0620.03516.81
5.4.270.0450.04516.81
5.4.260.0660.03816.68
5.4.250.0600.04216.81
5.4.240.0530.04416.81
5.4.230.0620.03616.80
5.4.220.0570.03216.71
5.4.210.0550.02716.71
5.4.200.0480.02815.80
5.4.190.0460.03516.68
5.4.180.0500.03016.81
5.4.170.0450.03416.67
5.4.160.0570.03016.71
5.4.150.0480.03216.83
5.4.140.0470.03015.58
5.4.130.0630.03215.53
5.4.120.0530.03615.65
5.4.110.0460.03115.53
5.4.100.0580.02315.52
5.4.90.0590.02515.65
5.4.80.0580.03115.55
5.4.70.0530.03415.53
5.4.60.0520.02815.54
5.4.50.0570.02515.53
5.4.40.0530.03315.52
5.4.30.0600.02215.63
5.4.20.0520.02815.57
5.4.10.0550.03415.57
5.4.00.0520.03215.28
5.3.290.1170.06314.68
5.3.280.1130.07014.61
5.3.270.1130.07014.66
5.3.260.1000.08714.64
5.3.250.1130.07014.62
5.3.240.1070.05314.80
5.3.230.1030.05714.75
5.3.220.0870.05714.64
5.3.210.0870.06314.61
5.3.200.0870.06714.59
5.3.190.1030.05014.68
5.3.180.1030.05014.58
5.3.170.0730.07014.68
5.3.160.1130.05314.77
5.3.150.1030.05014.68
5.3.140.0930.05314.63
5.3.130.0900.05714.77
5.3.120.1000.05714.61
5.3.110.0900.06714.60
5.3.100.1000.05314.07
5.3.90.0970.05714.14
5.3.80.1070.05014.11
5.3.70.1030.06014.05
5.3.60.0930.04714.00
5.3.50.0930.05014.09
5.3.40.0930.05314.07
5.3.30.0830.05313.96
5.3.20.0930.06313.88
5.3.10.0830.06013.69
5.3.00.0900.05713.71
5.2.170.0800.04311.20
5.2.160.0800.03711.27
5.2.150.0870.03711.21
5.2.140.0970.06311.38
5.2.130.1070.05311.23
5.2.120.1030.05311.10
5.2.110.1000.05311.23
5.2.100.0870.03711.19
5.2.90.0900.03311.25
5.2.80.0930.05711.17
5.2.70.0730.04711.17
5.2.60.0830.04011.10
5.2.50.0770.03711.17
5.2.40.0800.03011.00
5.2.30.0670.04011.02
5.2.20.0830.04311.10
5.2.10.0670.04310.93
5.2.00.0700.04310.79
5.1.60.0630.03710.21
5.1.50.0600.04710.15
5.1.40.0630.03710.07
5.1.30.0770.04710.41
5.1.20.0770.04010.48
5.1.10.0700.03710.19
5.1.00.0700.04310.17
5.0.50.0300.0338.70
5.0.40.0300.0308.46
5.0.30.0300.0478.38
5.0.20.0270.0308.37
5.0.10.0330.0278.34
5.0.00.0270.0508.40
4.4.90.0370.0175.98
4.4.80.0370.0175.90
4.4.70.0330.0205.93
4.4.60.0300.0235.91
4.4.50.0270.0306.00
4.4.40.0430.0435.91
4.4.30.0530.0275.86
4.4.20.0330.0235.96
4.4.10.0330.0235.92
4.4.00.0270.0436.00
4.3.110.0270.0275.80
4.3.100.0330.0205.85
4.3.90.0270.0235.82
4.3.80.0430.0375.82
4.3.70.0370.0275.91
4.3.60.0370.0275.79
4.3.50.0400.0275.82
4.3.40.0370.0435.75
4.3.30.0130.0335.02
4.3.20.0170.0305.02
4.3.10.0200.0275.02
4.3.00.0170.0177.30

preferences:
46.13 ms | 401 KiB | 5 Q