3v4l.org

run code in 300+ PHP versions simultaneously
<?php $id = bin2hex(openssl_random_pseudo_bytes($bits)); echo ($id); ?>

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)
8.3.70.0120.00318.30
8.3.60.0110.01118.53
8.3.50.0120.00820.96
8.3.40.0210.00018.83
8.3.30.0030.01318.83
8.3.20.0080.00020.09
8.3.10.0030.00522.08
8.3.00.0000.00822.34
8.2.190.0120.00316.58
8.2.180.0170.00316.38
8.2.170.0090.00622.96
8.2.160.0140.00019.13
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00419.18
8.2.110.0060.00322.21
8.2.100.0090.00318.09
8.2.90.0000.00719.05
8.2.80.0030.00617.97
8.2.70.0030.00517.50
8.2.60.0050.00317.80
8.2.50.0080.00018.07
8.2.40.0050.00318.09
8.2.30.0060.00517.87
8.2.20.0070.00017.64
8.2.10.0020.00517.71
8.2.00.0070.00417.60
8.1.280.0130.00725.92
8.1.270.0080.00021.81
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0060.00324.02
8.1.230.0030.00919.04
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0000.01017.22
8.1.190.0000.00817.05
8.1.180.0060.00320.40
8.1.170.0090.00018.52
8.1.160.0000.00722.00
8.1.150.0020.00818.55
8.1.140.0030.00617.32
8.1.130.0030.00317.68
8.1.120.0070.00017.33
8.1.110.0090.00017.25
8.1.100.0000.00717.28
8.1.90.0050.00217.34
8.1.80.0070.00017.20
8.1.70.0050.00317.17
8.1.60.0040.00417.40
8.1.50.0050.00317.45
8.1.40.0040.00417.32
8.1.30.0000.00717.59
8.1.20.0000.00917.54
8.1.10.0040.00417.48
8.1.00.0040.00417.32
8.0.300.0040.00418.77
8.0.290.0000.00716.99
8.0.280.0040.00418.29
8.0.270.0030.00317.11
8.0.260.0000.00716.82
8.0.250.0000.00716.98
8.0.240.0080.00217.01
8.0.230.0000.00716.98
8.0.220.0030.00616.80
8.0.210.0070.00016.90
8.0.200.0000.00716.95
8.0.190.0080.00016.82
8.0.180.0020.00516.97
8.0.170.0000.00716.84
8.0.160.0050.00216.93
8.0.150.0070.00016.84
8.0.140.0040.00416.74
8.0.130.0060.00013.31
8.0.120.0040.00416.92
8.0.110.0000.00716.77
8.0.100.0000.00816.68
8.0.90.0040.00416.93
8.0.80.0040.01116.89
8.0.70.0000.00716.97
8.0.60.0000.00816.84
8.0.50.0040.00416.85
8.0.30.0130.00717.08
8.0.20.0080.01117.40
8.0.10.0040.00416.84
8.0.00.0070.01216.83
7.4.330.0000.00415.00
7.4.320.0030.00316.46
7.4.300.0030.00316.58
7.4.290.0070.00016.55
7.4.280.0030.00316.33
7.4.270.0070.00016.46
7.4.260.0050.00316.52
7.4.250.0000.00716.30
7.4.240.0030.00316.48
7.4.230.0000.00716.54
7.4.220.0100.01016.54
7.4.210.0080.00916.51
7.4.200.0030.00316.19
7.4.190.0000.00716.34
7.4.160.0090.00616.55
7.4.150.0030.01417.40
7.4.140.0080.01217.86
7.4.130.0100.01016.39
7.4.120.0070.01016.55
7.4.110.0140.00316.54
7.4.100.0140.00416.39
7.4.90.0150.00916.39
7.4.80.0090.00919.39
7.4.70.0080.00916.41
7.4.60.0100.01216.45
7.4.50.0040.00416.40
7.4.40.0030.00922.77
7.4.30.0080.00916.50
7.4.00.0110.00714.95
7.3.330.0030.00313.02
7.3.320.0050.00012.99
7.3.310.0000.00716.26
7.3.300.0070.00016.26
7.3.290.0070.01016.25
7.3.280.0060.00916.23
7.3.270.0030.01417.40
7.3.260.0100.00716.24
7.3.250.0120.00416.42
7.3.240.0070.01016.48
7.3.230.0070.01116.39
7.3.210.0090.00916.59
7.3.200.0060.00919.39
7.3.190.0060.01216.36
7.3.180.0070.00716.41
7.3.170.0070.01016.35
7.3.160.0100.00716.16
7.3.120.0040.01414.88
7.3.110.0000.01214.83
7.3.100.0090.00614.63
7.3.90.0110.00314.93
7.3.80.0040.01514.68
7.3.70.0130.00314.77
7.3.60.0000.01514.87
7.3.50.0070.01014.72
7.3.40.0090.00614.65
7.3.30.0060.00314.79
7.3.20.0030.00716.64
7.3.10.0140.00016.49
7.3.00.0000.00816.70
7.2.330.0070.01016.39
7.2.320.0070.01016.57
7.2.310.0140.00816.34
7.2.300.0120.00316.59
7.2.290.0100.00716.43
7.2.250.0080.01114.87
7.2.240.0080.01214.68
7.2.230.0090.00914.84
7.2.220.0060.00615.07
7.2.210.0000.01714.69
7.2.200.0030.01114.94
7.2.190.0040.01414.93
7.2.180.0070.01014.71
7.2.170.0040.01114.95
7.1.330.0070.00715.72
7.1.320.0050.00515.41
7.1.310.0070.00715.77
7.1.300.0070.00415.57
7.1.290.0070.01015.34
7.1.280.0040.01215.75
7.1.270.0030.01015.55
7.1.260.0070.00715.60
7.1.70.0040.00417.25
7.1.60.0070.01019.82
7.1.50.0160.00616.99
7.1.00.0000.04722.40
7.0.200.0030.00616.66
7.0.140.0030.07321.92
7.0.60.0130.07019.85
7.0.50.0100.07017.77
7.0.40.0130.06020.02
7.0.30.0300.04020.04
7.0.20.0130.04720.30
7.0.10.0230.06020.13
7.0.00.0100.09020.13
5.6.280.0030.07020.91
5.6.210.0070.08320.66
5.6.200.0030.04018.21
5.6.190.0070.04320.43
5.6.180.3470.04720.58
5.6.170.0270.08020.48
5.6.160.0070.05320.48
5.6.150.0000.04318.21
5.6.140.0000.05018.12
5.6.130.0270.06718.18
5.6.120.0000.04320.98
5.6.110.0000.08020.97
5.6.100.0170.08021.04
5.6.90.0030.08721.12
5.6.80.0130.04720.39
5.6.70.0130.04020.38
5.5.350.0270.07320.29
5.5.340.0130.05317.96
5.5.330.0200.07320.30
5.5.320.0230.04020.20
5.5.310.0170.06720.28
5.5.300.0070.03717.94
5.5.290.0130.07317.98
5.5.280.0070.04020.69
5.5.270.0070.04020.85
5.5.260.0070.05720.95
5.5.250.0130.05020.54
5.5.240.0030.05320.26
5.4.450.0730.04719.28
5.4.440.0530.05719.46
5.4.430.0870.06019.48
5.4.420.1300.05019.34
5.4.410.1070.05019.44
5.4.400.0870.06718.59
5.4.390.1170.05718.72
5.4.380.0300.06718.46
5.4.370.0970.05018.68
5.4.360.0900.05718.62
5.4.350.0930.05018.59
5.4.340.0930.05018.65
5.4.320.0080.04112.45
5.4.310.0090.04112.45
5.4.300.0080.04512.45
5.4.290.0080.04912.45
5.4.280.0030.04312.34
5.4.270.0100.03312.34
5.4.260.0050.04912.34
5.4.250.0130.04718.85
5.4.240.0130.05718.68
5.4.230.0000.06018.79
5.4.220.0030.06318.82
5.4.210.0200.04318.82
5.4.200.0130.05018.73
5.4.190.0000.06018.65
5.4.180.0100.06018.84
5.4.170.0100.07018.71
5.4.160.0170.07018.69
5.4.150.0200.07018.67
5.4.140.0070.06716.30
5.4.130.0030.07316.52
5.4.120.0030.05316.42
5.4.110.0030.05316.44
5.4.100.0070.05316.16
5.4.90.0100.04716.36
5.4.80.0100.04316.34
5.4.70.0130.04316.29
5.4.60.0100.04716.35
5.4.50.0030.05316.32
5.4.40.0070.04716.43
5.4.30.0130.04016.29
5.4.20.0000.05316.27
5.4.10.0270.05016.27
5.4.00.0030.05315.96
5.3.290.0130.04912.80
5.3.280.0100.04714.29
5.3.270.0030.07714.61
5.3.260.0100.05314.61
5.3.250.0100.07314.47
5.3.240.0100.06314.46
5.3.230.0030.07714.68
5.3.220.0130.04314.33
5.3.210.0100.05014.57
5.3.200.0030.05314.59
5.3.190.0070.05014.45
5.3.180.0100.04714.57
5.3.170.0070.06314.41
5.3.160.0130.04314.26
5.3.150.0030.05314.56
5.3.140.0100.04714.39
5.3.130.0130.04714.65
5.3.120.0070.05314.42
5.3.110.0170.04714.63
5.3.100.0100.04714.04
5.3.90.0030.05314.02
5.3.80.0070.05014.04
5.3.70.0030.05314.06
5.3.60.0130.04714.02
5.3.50.0070.07013.81
5.3.40.0070.07013.80
5.3.30.0100.04713.77
5.3.20.0170.04713.60
5.3.10.0100.04313.59
5.3.00.0070.05313.57
5.2.170.0070.04011.06
5.2.160.0030.04011.14
5.2.150.0130.04711.15
5.2.140.0030.04311.04
5.2.130.0030.04010.98
5.2.120.0030.04010.93
5.2.110.0030.04011.11
5.2.100.0070.04311.01
5.2.90.0100.04711.20
5.2.80.0170.04311.09
5.2.70.0070.05711.00
5.2.60.0130.04010.96
5.2.50.0000.06711.04
5.2.40.0000.04311.10
5.2.30.0170.03010.88
5.2.20.0070.03710.87
5.2.10.0070.04711.07
5.2.00.0100.05010.69
5.1.60.0070.0479.84
5.1.50.0030.0479.95
5.1.40.0100.0409.82
5.1.30.0070.03310.32
5.1.20.0000.05710.50
5.1.10.0100.03010.25
5.1.00.0000.04010.12
5.0.50.0000.0338.59
5.0.40.0000.0308.46
5.0.30.0100.0378.45
5.0.20.0000.0278.16
5.0.10.0030.0378.39
5.0.00.0000.0438.30
4.4.90.0030.0207.45
4.4.80.0070.0207.45
4.4.70.0030.0207.45
4.4.60.0000.0237.45
4.4.50.0000.0237.45
4.4.40.0070.0337.45
4.4.30.0030.0277.45
4.4.20.0000.0337.45
4.4.10.0000.0237.45
4.4.00.0100.0277.45
4.3.110.0030.0207.45
4.3.100.0000.0237.45
4.3.90.0030.0277.45
4.3.80.0000.0377.45
4.3.70.0030.0207.45
4.3.60.0000.0237.45
4.3.50.0000.0307.45
4.3.40.0030.0307.45
4.3.30.0000.0337.45
4.3.20.0030.0207.45
4.3.10.0030.0277.45
4.3.00.0100.0207.19

preferences:
60.59 ms | 401 KiB | 5 Q