3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i = -1; $i <= 24; $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)
8.3.60.0150.00316.50
8.3.50.0090.00817.39
8.3.40.0040.01118.97
8.3.30.0120.00318.75
8.3.20.0000.00818.73
8.3.10.0050.00318.65
8.3.00.0120.00319.51
8.2.180.0070.01116.75
8.2.170.0120.00322.96
8.2.160.0110.00618.91
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00319.66
8.2.110.0120.00620.58
8.2.100.0090.00317.91
8.2.90.0050.00317.75
8.2.80.0000.00917.97
8.2.70.0060.00317.80
8.2.60.0080.00018.03
8.2.50.0090.00018.10
8.2.40.0000.00719.34
8.2.30.0030.00519.11
8.2.20.0060.00317.67
8.2.10.0080.00017.72
8.2.00.0030.00717.66
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0090.00023.93
8.1.230.0100.00022.08
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.13
8.1.190.0030.00717.25
8.1.180.0030.00518.10
8.1.170.0050.00518.61
8.1.160.0080.00018.81
8.1.150.0030.00518.72
8.1.140.0050.00317.45
8.1.130.0000.00717.34
8.1.120.0100.00017.38
8.1.110.0070.00017.39
8.1.100.0080.00017.40
8.1.90.0000.00817.30
8.1.80.0020.00517.27
8.1.70.0000.00617.38
8.1.60.0000.00817.52
8.1.50.0000.00717.43
8.1.40.0040.00417.52
8.1.30.0060.00317.63
8.1.20.0030.00617.70
8.1.10.0070.00017.60
8.1.00.0070.00017.50
8.0.300.0000.00718.77
8.0.290.0060.00316.75
8.0.280.0070.00018.37
8.0.270.0030.00317.25
8.0.260.0030.00316.73
8.0.250.0030.00516.98
8.0.240.0060.00316.95
8.0.230.0080.00016.95
8.0.220.0000.01016.76
8.0.210.0070.00016.79
8.0.200.0000.00616.89
8.0.190.0000.00816.95
8.0.180.0070.00016.81
8.0.170.0040.00416.90
8.0.160.0080.00016.89
8.0.150.0040.00516.88
8.0.140.0040.00716.87
8.0.130.0060.00013.30
8.0.120.0060.00316.72
8.0.110.0000.00816.95
8.0.100.0000.00716.82
8.0.90.0030.00316.83
8.0.80.0060.00916.84
8.0.70.0070.00016.95
8.0.60.0000.00816.93
8.0.50.0040.00416.70
8.0.30.0130.00616.88
8.0.20.0120.00616.99
8.0.10.0030.00616.90
8.0.00.0110.00816.65
7.4.330.0020.00212.89
7.4.320.0040.00416.52
7.4.300.0070.00016.50
7.4.290.0030.00316.50
7.4.280.0030.00316.41
7.4.270.0030.00316.49
7.4.260.0030.00313.28
7.4.250.0080.00016.50
7.4.240.0000.00716.63
7.4.230.0060.00316.46
7.4.220.0070.01016.64
7.4.210.0110.00716.54
7.4.200.0030.00316.57
7.4.190.0070.00016.59
7.4.160.0060.00916.55
7.4.150.0160.00416.32
7.4.140.0230.00017.86
7.4.130.0100.00716.62
7.4.120.0090.00916.63
7.4.110.0420.01316.66
7.4.100.0090.00916.34
7.4.90.0100.00716.54
7.4.80.0120.00619.39
7.4.70.0060.01016.41
7.4.60.0100.00716.29
7.4.50.0050.00016.59
7.4.40.0030.01216.40
7.4.30.0060.01016.54
7.4.00.0070.01014.79
7.3.330.0030.00313.24
7.3.320.0040.00413.17
7.3.310.0000.00716.28
7.3.300.0030.00316.36
7.3.290.0070.01016.29
7.3.280.0090.00916.20
7.3.270.0100.00716.20
7.3.260.0060.01016.32
7.3.240.0130.00916.55
7.3.230.0120.00616.20
7.3.210.0140.00316.27
7.3.200.0130.00316.29
7.3.190.0090.00616.53
7.3.180.0130.00716.29
7.3.170.0100.01016.31
7.3.160.0060.01216.56
7.3.120.0120.00314.62
7.3.00.0100.00716.45
7.2.330.0130.00416.61
7.2.320.0100.01316.32
7.2.310.0070.01316.33
7.2.300.0060.01016.52
7.2.290.0090.00916.73
7.2.130.0070.00716.79
7.2.120.0060.00916.70
7.2.110.0030.00916.77
7.2.100.0030.01016.77
7.2.90.0060.00616.43
7.2.80.0070.01016.75
7.2.70.0130.00016.85
7.2.60.0150.00416.71
7.2.50.0160.00316.89
7.2.40.0070.00716.69
7.2.30.0090.00916.87
7.2.20.0030.01416.86
7.2.10.0140.00316.69
7.2.00.0110.00518.19
7.1.250.0030.01215.57
7.1.240.0030.00715.78
7.1.230.0070.00715.57
7.1.220.0050.00515.69
7.1.210.0080.00815.68
7.1.200.0050.00515.64
7.1.190.0120.00315.67
7.1.180.0100.00715.64
7.1.170.0060.00615.70
7.1.160.0070.00715.77
7.1.150.0120.00315.66
7.1.140.0110.00415.41
7.1.130.0110.00615.70
7.1.120.0120.00415.59
7.1.110.0040.01115.78
7.1.100.0100.00715.80
7.1.90.0100.00715.58
7.1.80.0150.00015.75
7.1.70.0080.00516.44
7.1.60.0080.01317.47
7.1.50.0110.01016.33
7.1.40.0100.00615.50
7.1.30.0070.00715.63
7.1.20.0080.00315.54
7.1.10.0060.01315.80
7.1.00.0050.02819.00
7.0.330.0090.00415.36
7.0.320.0080.00415.27
7.0.310.0090.00614.99
7.0.300.0100.00715.37
7.0.290.0110.00315.22
7.0.280.0110.00415.30
7.0.270.0070.00715.17
7.0.260.0060.01015.34
7.0.250.0090.00615.33
7.0.240.0120.00315.51
7.0.230.0070.01015.39
7.0.220.0110.00715.34
7.0.210.0060.00615.12
7.0.200.0120.00516.18
7.0.190.0070.01515.05
7.0.180.0000.02015.16
7.0.170.0120.01215.27
7.0.160.0160.00615.18
7.0.150.0170.00414.91
7.0.140.0050.04518.73
7.0.130.0120.00315.20
7.0.120.0140.03318.73
7.0.110.0140.00415.23
7.0.100.0120.00815.17
7.0.90.0060.01315.15
7.0.80.0000.01815.27
7.0.70.0100.00615.09
7.0.60.0190.04317.65
7.0.50.0090.04416.52
7.0.40.0080.02816.73
7.0.30.0100.02716.89
7.0.20.0170.02316.59
7.0.10.0140.02416.82
7.0.00.0210.03516.61
5.6.380.0100.00314.05
5.6.370.0100.01514.02
5.6.360.0190.00514.40
5.6.350.0170.01314.14
5.6.340.0160.01214.18
5.6.330.0180.00314.47
5.6.320.0140.00914.45
5.6.310.0120.01514.27
5.6.300.0130.01014.04
5.6.290.0200.00014.26
5.6.280.0100.04117.73
5.6.270.0210.00514.52
5.6.260.0180.00514.11
5.6.250.0170.00614.56
5.6.240.0130.01014.11
5.6.230.0110.00314.24
5.6.220.0100.00614.16
5.6.210.0050.04117.60
5.6.200.0050.04316.23
5.6.190.0100.02817.29
5.6.180.0120.02317.33
5.6.170.0070.02717.35
5.6.160.0120.03917.40
5.6.150.0180.03317.06
5.6.140.0100.05017.25
5.6.130.0150.02717.26
5.6.120.0170.03917.29
5.6.110.0160.04017.35
5.6.100.0270.03417.29
5.6.90.0180.03617.29
5.6.80.0130.03216.94
5.6.70.0220.03616.92
5.6.60.0190.03917.08
5.6.50.0200.03016.93
5.6.40.0100.04816.96
5.6.30.0170.03516.81
5.6.20.0150.04417.12
5.6.10.0150.04116.87
5.6.00.0180.02516.83
5.5.380.0000.00811.06
5.5.370.0060.00010.72
5.5.360.0000.01211.01
5.5.350.0050.03515.57
5.5.340.0030.02314.42
5.5.330.0080.02315.69
5.5.320.0070.02315.68
5.5.310.0090.02115.58
5.5.300.0150.03015.63
5.5.290.0140.04515.58
5.5.280.0130.04715.60
5.5.270.0130.02315.41
5.5.260.0130.02915.50
5.5.250.0170.03215.34
5.5.240.0180.04115.33
5.5.230.0160.03615.22
5.5.220.0250.03615.34
5.5.210.0150.01815.24
5.5.200.0150.03715.07
5.5.190.0170.03815.12
5.5.180.0130.04215.27
5.5.170.0000.01110.75
5.5.160.0120.04215.23
5.5.150.0120.02715.03
5.5.140.0140.02215.11
5.5.130.0130.04015.12
5.5.120.0170.02815.06
5.5.110.0100.03215.19
5.5.100.0100.04015.19
5.5.90.0150.03415.17
5.5.80.0070.02815.24
5.5.70.0100.02915.03
5.5.60.0100.03115.25
5.5.50.0150.04115.16
5.5.40.0210.03315.23
5.5.30.0080.04315.15
5.5.20.0100.04715.18
5.5.10.0160.03815.11
5.5.00.0170.03715.08
5.4.450.0220.02215.02
5.4.440.0150.04115.13
5.4.430.0150.04415.11
5.4.420.0170.03315.19
5.4.410.0180.03515.08
5.4.400.0170.03814.89
5.4.390.0170.03514.94
5.4.380.0150.03814.70
5.4.370.0120.02714.98
5.4.360.0170.03815.05
5.4.350.0170.03715.06
5.4.340.0130.03914.76
5.4.330.0000.00710.71
5.4.320.0160.02314.92
5.4.310.0130.03514.94
5.4.300.0170.03215.02
5.4.290.0130.04014.98
5.4.280.0170.03314.95
5.4.270.0120.04015.05
5.4.260.0300.03215.03
5.4.250.0120.02014.88
5.4.240.0120.03115.00
5.4.230.0130.04115.06
5.4.220.0120.02514.90
5.4.210.0170.03715.02
5.4.200.0230.03714.91
5.4.190.0100.03814.84
5.4.180.0130.04414.78
5.4.170.0150.04015.03
5.4.160.0150.02714.69
5.4.150.0290.03114.89
5.4.140.0150.02113.73
5.4.130.0180.02713.58
5.4.120.0100.03413.50
5.4.110.0100.02313.55
5.4.100.0070.03613.63
5.4.90.0100.02513.44
5.4.80.0160.02313.46
5.4.70.0100.03213.45
5.4.60.0130.03513.58
5.4.50.0160.03113.62
5.4.40.0150.03513.41
5.4.30.0120.02613.68
5.4.20.0170.03513.45
5.4.10.0180.03113.63
5.4.00.0120.03713.25
5.3.290.0130.04112.52
5.3.280.0140.02212.39
5.3.270.0170.03612.57
5.3.260.0120.03012.42
5.3.250.0160.02612.44
5.3.240.0100.02312.50
5.3.230.0130.04012.46
5.3.220.0150.03512.25
5.3.210.0180.03612.32
5.3.200.0050.02812.31
5.3.190.0140.01812.42
5.3.180.0110.01812.41
5.3.170.0080.03512.52
5.3.160.0140.02512.52
5.3.150.0130.02512.42
5.3.140.0140.03612.41
5.3.130.0080.02312.35
5.3.120.0090.02512.48
5.3.110.0150.04012.39
5.3.100.0130.02712.20
5.3.90.0120.02912.21
5.3.80.0150.02812.12
5.3.70.0150.03712.07
5.3.60.0150.01712.07
5.3.50.0110.01812.04
5.3.40.0070.02912.08
5.3.30.0120.03712.08
5.3.20.0170.02211.88
5.3.10.0160.03511.80
5.3.00.0100.03511.76
5.2.170.0050.03610.84
5.2.160.0120.01710.99
5.2.150.0100.02711.01
5.2.140.0110.01910.93
5.2.130.0110.02810.92
5.2.120.0100.02410.73
5.2.110.0100.02010.90
5.2.100.0100.02210.87
5.2.90.0120.01410.92
5.2.80.0100.03210.83
5.2.70.0080.03010.86
5.2.60.0100.02810.92
5.2.50.0120.03510.81
5.2.40.0140.02510.96
5.2.30.0100.03010.83
5.2.20.0100.03210.80
5.2.10.0070.03410.63
5.2.00.0110.02810.65
5.1.60.0100.02410.46
5.1.50.0100.02710.46
5.1.40.0070.02610.55
5.1.30.0130.02010.44
5.1.20.0090.01510.49
5.1.10.0110.01910.45
5.1.00.0080.02810.38
5.0.50.0030.02310.38
5.0.40.0040.01410.38
5.0.30.0030.01710.38
5.0.20.0080.01710.38
5.0.10.0070.01910.38
5.0.00.0070.03210.38
4.4.90.0030.02010.38
4.4.80.0080.01510.38
4.4.70.0070.01910.38
4.4.60.0040.01310.38
4.4.50.0040.01110.38
4.4.40.0060.02610.38
4.4.30.0100.01510.38
4.4.20.0050.01810.38
4.4.10.0050.01810.38
4.4.00.0050.02810.38
4.3.110.0050.02010.38
4.3.100.0050.01810.38
4.3.90.0050.01810.38
4.3.80.0050.02810.38
4.3.70.0050.00810.38
4.3.60.0020.02010.38
4.3.50.0050.02010.38
4.3.40.0070.02710.38
4.3.30.0050.01810.38
4.3.20.0030.01010.38
4.3.10.0000.02110.38
4.3.00.0050.01010.38

preferences:
53.59 ms | 400 KiB | 5 Q