3v4l.org

run code in 300+ PHP versions simultaneously
<?php $randstring = RandomString(); echo $randstring;

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)
8.3.60.0140.00718.68
8.3.50.0060.01221.92
8.3.40.0060.00918.93
8.3.30.0040.01118.57
8.3.20.0040.00420.21
8.3.10.0080.00020.52
8.3.00.0000.00823.71
8.2.180.0140.00016.63
8.2.170.0100.00722.96
8.2.160.0100.00722.14
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00420.79
8.2.120.0040.00426.35
8.2.110.0090.00019.39
8.2.100.0090.00317.91
8.2.90.0000.00819.09
8.2.80.0080.00017.97
8.2.70.0030.00617.48
8.2.60.0040.00417.80
8.2.50.0030.00618.09
8.2.40.0050.00322.24
8.2.30.0070.00019.28
8.2.20.0040.00417.66
8.2.10.0000.00717.86
8.2.00.0000.00717.96
8.1.280.0070.00725.92
8.1.270.0080.00822.18
8.1.260.0000.00928.09
8.1.250.0040.00428.09
8.1.240.0060.00322.53
8.1.230.0080.00317.58
8.1.220.0060.00317.74
8.1.210.0000.00918.77
8.1.200.0000.00817.22
8.1.190.0040.00417.10
8.1.180.0000.00918.10
8.1.170.0000.00818.50
8.1.160.0000.00720.61
8.1.150.0050.00218.74
8.1.140.0050.00319.40
8.1.130.0000.00817.48
8.1.120.0000.00817.23
8.1.110.0050.00217.21
8.1.100.0070.00017.23
8.1.90.0020.00517.25
8.1.80.0040.00417.33
8.1.70.0000.00717.22
8.1.60.0070.00017.32
8.1.50.0040.00417.32
8.1.40.0000.00817.47
8.1.30.0000.00817.45
8.1.20.0040.00417.29
8.1.10.0030.00517.49
8.1.00.0040.00817.48
8.0.300.0050.00218.77
8.0.290.0040.00416.75
8.0.280.0000.00718.38
8.0.270.0040.00417.20
8.0.260.0070.00017.07
8.0.250.0030.00316.92
8.0.240.0030.00316.88
8.0.230.0030.00317.00
8.0.220.0000.00716.88
8.0.210.0070.00016.75
8.0.200.0040.00416.95
8.0.190.0030.00316.89
8.0.180.0040.00416.95
8.0.170.0040.00416.93
8.0.160.0070.00016.89
8.0.150.0040.00416.73
8.0.140.0030.00316.84
8.0.130.0060.00013.39
8.0.120.0040.00416.80
8.0.110.0000.00716.86
8.0.100.0040.00416.87
8.0.90.0040.00416.87
8.0.80.0110.00716.82
8.0.70.0040.00416.86
8.0.60.0040.00416.75
8.0.50.0040.00416.78
8.0.30.0080.01017.03
8.0.20.0100.00917.40
8.0.10.0000.00716.79
8.0.00.0090.00816.67
7.4.330.0030.00316.80
7.4.320.0000.00616.49
7.4.300.0030.00316.39
7.4.290.0030.00316.38
7.4.280.0000.00816.27
7.4.270.0070.00016.52
7.4.260.0070.00016.38
7.4.250.0040.00416.39
7.4.240.0070.00016.48
7.4.230.0070.00016.42
7.4.220.0140.01016.54
7.4.210.0060.01016.62
7.4.200.0000.00716.50
7.4.160.0190.00316.44
7.4.150.0130.00617.40
7.4.140.0060.01317.86
7.4.130.0090.01016.50
7.4.120.0140.00316.37
7.4.110.0070.01016.54
7.4.100.0090.01516.20
7.4.90.0080.00816.46
7.4.80.0030.01219.39
7.4.70.0100.00716.32
7.4.60.0060.01516.54
7.4.50.0060.01116.29
7.4.40.0150.01216.26
7.4.30.0150.00616.35
7.4.00.0140.00015.04
7.3.330.0060.00013.09
7.3.320.0060.00013.12
7.3.310.0050.00316.07
7.3.300.0030.00316.24
7.3.290.0000.00716.19
7.3.280.0030.01316.21
7.3.270.0030.01317.40
7.3.260.0140.01016.29
7.3.250.0110.00916.25
7.3.240.0130.00316.45
7.3.230.0170.00016.39
7.3.210.0140.00316.28
7.3.200.0120.01216.54
7.3.190.0090.01216.40
7.3.180.0150.00316.57
7.3.170.0120.00916.59
7.3.160.0100.00616.29
7.3.10.0080.00316.19
7.3.00.0040.01216.41
7.2.330.0100.01316.51
7.2.320.0160.00316.20
7.2.310.0070.01016.67
7.2.300.0060.01216.44
7.2.290.0120.00416.52
7.2.130.0070.00716.44
7.2.120.0030.00616.25
7.2.110.0000.01016.58
7.2.100.0060.00316.41
7.2.90.0120.00316.82
7.2.80.0150.00616.79
7.2.70.0000.01216.67
7.2.60.0110.00916.64
7.2.50.0130.01316.45
7.2.40.0070.01416.35
7.2.30.0130.01016.53
7.2.20.0090.01216.74
7.2.10.0070.01016.38
7.2.00.0080.01217.88
7.1.250.0090.00615.21
7.1.200.0110.00015.46
7.1.100.0060.00617.96
7.1.70.0040.00417.11
7.1.60.0060.01819.19
7.1.50.0040.01816.89
7.1.00.0000.08022.36
7.0.200.1280.01014.32
7.0.60.0230.04019.81
7.0.50.0070.04017.86
7.0.40.0130.06020.20
7.0.30.0500.06320.09
7.0.20.0330.07020.22
7.0.10.0170.07720.33
7.0.00.0000.04719.99
5.6.210.0100.08020.56
5.6.200.0070.05318.19
5.6.190.0100.09020.56
5.6.180.0300.07320.41
5.6.170.0270.07320.49
5.6.160.0070.06320.46
5.6.150.0000.09018.11
5.6.140.0070.08718.11
5.6.130.0030.06018.17
5.6.120.0100.04721.00
5.6.110.0100.08020.97
5.6.100.0070.07321.03
5.6.90.0100.07720.96
5.6.80.0170.05020.40
5.5.350.4200.04320.32
5.5.340.0000.04317.91
5.5.330.0100.03320.43
5.5.320.0600.06020.29
5.5.310.0300.08020.21
5.5.300.0200.06318.00
5.5.290.0000.04317.91
5.5.280.0200.07320.78
5.5.270.0130.07320.86
5.5.260.0030.07020.78
5.5.250.0070.09020.46
5.5.240.0170.03020.28

preferences:
60.82 ms | 401 KiB | 5 Q