3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i = -1; $i <= 4; $i++) { $bytes = openssl_random_pseudo_bytes($i, $cstrong); $hex = base64_encode($bytes); echo "Lengths: Bytes: $i and Hex: " . strlen($hex) . PHP_EOL; var_dump($hex); var_dump($cstrong); echo PHP_EOL; } ?>

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)
8.3.40.0090.00618.81
8.3.30.0090.00618.76
8.3.20.0040.00418.75
8.3.10.0030.00618.52
8.3.00.0140.00319.32
8.2.170.0120.00319.08
8.2.160.0030.01022.96
8.2.150.0060.00324.18
8.2.140.0030.00624.66
8.2.130.0050.00326.16
8.2.120.0020.00519.77
8.2.110.0090.00020.43
8.2.100.0040.01317.91
8.2.90.0080.00020.48
8.2.80.0000.00817.97
8.2.70.0040.00417.68
8.2.60.0070.00418.03
8.2.50.0040.00718.10
8.2.40.0040.00420.80
8.2.30.0000.00719.23
8.2.20.0060.00317.59
8.2.10.0040.00419.43
8.2.00.0040.00417.60
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.01022.04
8.1.230.0060.00820.97
8.1.220.0040.00417.74
8.1.210.0070.00019.00
8.1.200.0030.00617.23
8.1.190.0050.00317.24
8.1.180.0000.00818.10
8.1.170.0000.00818.49
8.1.160.0000.00719.00
8.1.150.0040.00418.61
8.1.140.0100.00017.38
8.1.130.0030.00619.07
8.1.120.0070.00317.26
8.1.110.0100.00017.39
8.1.100.0000.00917.27
8.1.90.0070.00017.39
8.1.80.0030.00317.27
8.1.70.0030.00317.30
8.1.60.0080.00417.52
8.1.50.0040.00417.29
8.1.40.0040.00417.41
8.1.30.0090.00017.46
8.1.20.0000.00817.66
8.1.10.0040.00417.53
8.1.00.0080.00017.46
8.0.300.0040.00419.98
8.0.290.0110.00016.58
8.0.280.0030.00318.30
8.0.270.0030.00517.14
8.0.260.0030.00316.68
8.0.250.0080.00016.83
8.0.240.0060.00316.97
8.0.230.0080.00016.87
8.0.220.0030.00816.78
8.0.210.0040.00416.92
8.0.200.0030.00316.87
8.0.190.0000.00816.91
8.0.180.0030.00616.87
8.0.170.0000.00816.79
8.0.160.0000.00716.90
8.0.150.0030.00616.72
8.0.140.0100.00016.82
8.0.130.0050.00013.30
8.0.120.0030.00716.60
8.0.110.0050.00216.88
8.0.100.0030.00516.75
8.0.90.0080.00016.71
8.0.80.0070.00716.88
8.0.70.0030.00516.87
8.0.60.0080.00016.70
8.0.50.0020.00516.71
8.0.30.0110.00316.90
8.0.20.0080.00917.08
8.0.10.0040.00416.89
8.0.00.0060.01416.73
7.4.330.0000.00512.89
7.4.320.0060.00016.52
7.4.300.0040.00416.63
7.4.290.0080.00016.49
7.4.280.0000.00816.47
7.4.270.0070.00016.51
7.4.260.0050.00013.27
7.4.250.0080.00216.55
7.4.240.0030.00316.48
7.4.230.0040.00416.69
7.4.220.0070.01016.61
7.4.210.0120.00616.55
7.4.200.0070.00016.40
7.4.190.0040.00416.68
7.4.160.0110.00416.55
7.4.150.0090.00916.50
7.4.140.0170.00717.86
7.4.130.0120.01316.49
7.4.120.0100.01616.43
7.4.110.0130.01016.52
7.4.100.0160.00716.77
7.4.90.0030.01916.29
7.4.80.0110.01019.39
7.4.70.0110.00616.39
7.4.60.0120.00616.66
7.4.50.0050.00016.20
7.4.40.0060.00316.32
7.4.30.0140.00416.59
7.4.00.0080.01014.92
7.3.330.0030.00313.22
7.3.320.0030.00313.10
7.3.310.0070.00016.36
7.3.300.0030.00316.10
7.3.290.0060.01016.29
7.3.280.0070.01416.23
7.3.270.0090.00816.27
7.3.260.0030.01316.56
7.3.240.0090.00916.26
7.3.230.0050.01216.47
7.3.210.0110.00616.33
7.3.200.0040.01516.42
7.3.190.0030.01316.52
7.3.180.0000.01616.76
7.3.170.0060.00916.47
7.3.160.0100.00616.36
7.3.120.0070.00914.88
7.3.110.0070.01014.81
7.3.100.0060.01114.63
7.3.90.0110.00314.74
7.3.80.0060.00314.78
7.3.70.0060.00914.89
7.3.60.0030.00814.91
7.3.50.0110.00314.77
7.3.40.0030.01514.96
7.3.30.0090.00614.96
7.3.20.0030.00916.73
7.3.10.0050.00716.61
7.3.00.0080.00416.52
7.2.330.0170.00716.48
7.2.320.0030.01316.67
7.2.310.0100.01016.55
7.2.300.0100.00716.33
7.2.290.0100.00616.68
7.2.250.0070.01014.98
7.2.240.0160.00314.62
7.2.230.0090.00915.21
7.2.220.0070.00715.11
7.2.210.0000.00914.91
7.2.200.0000.01414.82
7.2.190.0040.00914.84
7.2.180.0070.01014.88
7.2.170.0060.00914.80
7.2.130.0080.00316.59
7.2.120.0140.00016.82
7.2.110.0100.01016.54
7.2.100.0080.00916.70
7.2.90.0030.01016.56
7.2.80.0120.00916.55
7.2.70.0030.00916.76
7.2.60.0030.00716.45
7.2.50.0030.00716.57
7.2.40.0000.01016.64
7.2.30.0060.00616.65
7.2.20.0030.01016.51
7.2.10.0110.00716.78
7.2.00.0080.00818.09
7.1.330.0040.01215.74
7.1.320.0000.01215.76
7.1.310.0060.00615.87
7.1.300.0070.00715.71
7.1.290.0060.00615.46
7.1.280.0060.00915.75
7.1.270.0070.00715.66
7.1.260.0130.00315.44
7.1.250.0030.01015.66
7.1.70.0000.00817.12
7.1.60.0090.01519.21
7.1.50.0060.01517.05
7.1.00.0030.05722.57
7.0.200.0050.00316.73
7.0.140.0100.06721.98
7.0.120.0000.07721.99
7.0.60.0030.08320.05
7.0.50.0100.03717.66
7.0.40.0070.04720.46
7.0.30.0630.06320.02
7.0.20.0230.04720.23
7.0.10.0300.07320.24
7.0.00.0070.04320.02
5.6.280.0000.07720.77
5.6.210.0270.05020.64
5.6.200.0070.08318.12
5.6.190.0070.07320.66
5.6.180.0170.04720.60
5.6.170.0330.08320.58
5.6.160.0030.04020.27
5.6.150.0100.07018.18
5.6.140.0200.04718.21
5.6.130.0070.03718.27
5.6.120.0100.06021.06
5.6.110.0030.06321.01
5.6.100.0130.08021.01
5.6.90.0100.08320.88
5.6.80.0130.03320.40
5.6.70.0300.06020.40
5.5.350.0100.03320.36
5.5.340.0070.03718.01
5.5.330.0100.08020.21
5.5.320.0030.08020.44
5.5.310.0400.06320.55
5.5.300.0070.08318.01
5.5.290.0100.08018.02
5.5.280.0030.08720.83
5.5.270.0100.04720.83
5.5.260.0130.06020.64
5.5.250.0100.06020.61
5.5.240.0000.08320.19
5.4.450.0130.04319.55
5.4.440.0230.03319.41
5.4.430.0370.05319.26
5.4.420.0400.06319.41
5.4.410.0330.07319.42
5.4.400.0200.04319.28
5.4.390.0330.07319.15
5.4.380.0370.06719.32
5.4.370.0230.04319.19
5.4.360.0300.05018.82
5.4.350.0400.04019.31
5.4.340.0270.05719.00
5.4.320.0330.07319.10
5.4.310.0330.05319.08
5.4.300.0370.06318.85
5.4.290.0270.06719.20
5.4.280.0300.06718.92
5.4.270.0330.05719.03
5.4.260.0270.07719.19
5.4.250.0270.07319.07
5.4.240.0230.04319.18
5.4.230.0300.03719.19
5.4.220.0300.06718.94
5.4.210.0330.07018.94
5.4.200.0370.06018.93
5.4.190.0400.04718.84
5.4.180.0230.06319.23
5.4.170.0300.07019.13
5.4.160.0230.04319.29
5.4.150.0330.05718.97
5.4.140.0370.06316.21
5.4.130.0300.07016.55
5.4.120.0270.04316.45
5.4.110.0330.05716.36
5.4.100.0300.05716.39
5.4.90.0270.04716.39
5.4.80.0330.04316.46
5.4.70.0400.06016.39
5.4.60.0270.05316.43
5.4.50.0230.07316.20
5.4.40.0330.06716.28
5.4.30.0230.04016.28
5.4.20.0230.06316.28
5.4.10.0230.05016.18
5.4.00.0300.03015.89
5.3.290.0230.06315.21
5.3.280.0330.06715.21
5.3.270.0300.07015.21
5.3.260.0470.05315.21
5.3.250.0230.06015.21
5.3.240.0200.05315.21
5.3.230.0300.05315.21
5.3.220.0270.06715.21
5.3.210.0230.07315.21
5.3.200.0270.07015.21
5.3.190.0300.07015.21
5.3.180.0330.04715.21
5.3.170.0300.05715.21
5.3.160.0270.05015.21
5.3.150.0270.07715.21
5.3.140.0270.07015.21
5.3.130.0230.07715.21
5.3.120.0270.05015.21
5.3.110.0330.07315.21
5.3.100.0270.07315.21
5.3.90.0370.06715.21
5.3.80.0200.05315.21
5.3.70.0300.05715.21
5.3.60.0330.05715.21
5.3.50.0200.04315.21
5.3.40.0330.06715.21
5.3.30.0370.05315.21
5.3.20.0330.06715.21
5.3.10.0330.03715.21
5.3.00.0230.03715.21
5.2.170.0230.03715.21
5.2.160.0170.03315.21
5.2.150.0270.06315.21
5.2.140.0400.03015.21
5.2.130.0330.04715.21
5.2.120.0170.04715.21
5.2.110.0300.05015.21
5.2.100.0330.02715.21
5.2.90.0230.03315.21
5.2.80.0170.06015.21
5.2.70.0230.04315.21
5.2.60.0270.05715.21
5.2.50.0270.05715.21
5.2.40.0270.03015.21
5.2.30.0130.03315.21
5.2.20.0300.05015.21
5.2.10.0270.04315.21
5.2.00.0200.05715.21
5.1.60.0200.05015.21
5.1.50.0200.05015.21
5.1.40.0200.02715.21
5.1.30.0230.05315.21
5.1.20.0230.03715.21
5.1.10.0200.03015.21
5.1.00.0230.02715.21
5.0.50.0100.04315.21
5.0.40.0100.04015.21
5.0.30.0130.05715.21
5.0.20.0130.02015.21
5.0.10.0200.03315.21
5.0.00.0100.06315.21
4.4.90.0100.03015.21
4.4.80.0130.03015.21
4.4.70.0130.02715.21
4.4.60.0100.03315.21
4.4.50.0200.03715.21
4.4.40.0100.03015.21
4.4.30.0100.01715.21
4.4.20.0170.02315.21
4.4.10.0070.04015.21
4.4.00.0130.05015.21
4.3.110.0200.02315.21
4.3.100.0130.01315.21
4.3.90.0100.01715.21
4.3.80.0100.04315.21
4.3.70.0130.02715.21
4.3.60.0130.02715.21
4.3.50.0130.02715.21
4.3.40.0100.03015.21
4.3.30.0070.01315.21
4.3.20.0070.01715.21
4.3.10.0070.01315.21
4.3.00.0070.03715.21

preferences:
37.16 ms | 400 KiB | 5 Q