3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(random_bytes('4')); var_dump(random_bytes('4d')); var_dump(random_bytes('d3')); var_dump(random_bytes(0)); var_dump(random_bytes(new stdClass()));

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)
7.3.10.0030.01016.25
7.3.00.0030.01416.54
7.2.130.0110.00716.65
7.2.120.0040.01216.68
7.2.110.0070.01016.63
7.2.100.0070.00716.82
7.2.90.0150.00016.48
7.2.80.0030.00716.65
7.2.70.0040.01516.50
7.2.60.0080.00416.54
7.2.50.0080.00816.76
7.2.40.0060.00916.55
7.2.30.0060.00616.74
7.2.20.0040.01116.58
7.2.10.0120.00316.52
7.2.00.0080.00718.08
7.1.250.0080.00815.33
7.1.100.0030.00617.86
7.1.70.0000.00816.96
7.1.60.0090.01219.27
7.1.50.0240.01434.83
7.1.00.0070.07022.48
7.0.200.0050.00516.59
7.0.60.0070.04319.85
7.0.50.0170.02717.89
7.0.40.0070.08719.98
7.0.30.0300.04320.18
7.0.20.0230.06320.16
7.0.10.0130.08020.20
7.0.00.0070.08320.11
5.6.280.0070.05020.81
5.6.210.0100.07720.76
5.6.200.0070.08318.18
5.6.190.0030.04320.48
5.6.180.0300.04020.41
5.6.170.0230.04320.48
5.6.160.0030.07720.48
5.6.150.0130.04018.12
5.6.140.0100.06018.23
5.6.130.0200.07018.11
5.6.120.0070.04020.98
5.6.110.0030.07320.96
5.6.100.0100.07020.97
5.6.90.0000.05720.98
5.6.80.0030.07020.33
5.5.350.0030.07320.38
5.5.340.0030.06317.92
5.5.330.0030.04320.25
5.5.320.0300.03320.29
5.5.310.0270.07720.28
5.5.300.0000.08017.90
5.5.290.0030.04017.88
5.5.280.0100.08020.64
5.5.270.0200.04020.94
5.5.260.0070.06320.76
5.5.250.0030.06020.69
5.5.240.0270.07020.26
5.4.450.0700.07019.32
5.4.440.0670.05319.49
5.4.430.0770.05019.13
5.4.420.0700.05719.44
5.4.410.0730.05718.97
5.4.400.0570.05319.34
5.4.390.0530.05319.25
5.4.380.0600.05319.22
5.4.370.0470.05718.80
5.4.360.0700.04719.12
5.4.350.0630.05319.16
5.4.340.0700.05319.30
5.4.320.0730.04719.09
5.4.310.0630.05018.78
5.4.300.0670.05019.30
5.4.290.0500.05318.96
5.4.280.0630.05719.16
5.4.270.0670.05019.15
5.4.260.0470.05719.28
5.4.250.0700.05019.14
5.4.240.0570.06018.93
5.4.230.0670.05319.27
5.4.220.0770.04719.24
5.4.210.0600.05319.19
5.4.200.0670.05019.29
5.4.190.0630.05019.13
5.4.180.0700.04319.14
5.4.170.0700.04719.13
5.4.160.0730.05018.78
5.4.150.0670.05319.16
5.4.140.0600.05716.44
5.4.130.0630.05016.43
5.4.120.0630.04716.41
5.4.110.0670.04716.47
5.4.100.0670.04716.29
5.4.90.0600.05016.07
5.4.80.0570.05316.35
5.4.70.0030.07716.44
5.4.60.0030.06316.19
5.4.50.0070.06016.43
5.4.40.0200.04016.04
5.4.30.0400.06016.40
5.4.20.0230.04016.16

preferences:
36.14 ms | 401 KiB | 5 Q