3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Example { private $var = "a" . "b"; }

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)
8.3.60.0210.00016.38
8.3.50.0070.00719.63
8.3.40.0110.00418.53
8.3.30.0070.00718.92
8.3.20.0080.00020.21
8.3.10.0040.00423.56
8.3.00.0040.00419.25
8.2.180.0060.00916.50
8.2.170.0150.00022.96
8.2.160.0130.00020.39
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0060.00320.95
8.2.110.0140.00019.45
8.2.100.0040.00717.59
8.2.90.0000.00817.72
8.2.80.0050.00517.97
8.2.70.0050.00317.38
8.2.60.0080.00017.80
8.2.50.0000.00818.07
8.2.40.0050.00317.91
8.2.30.0060.00317.91
8.2.20.0000.00817.46
8.2.10.0000.00817.80
8.2.00.0080.00017.55
8.1.270.0030.00623.91
8.1.260.0060.00326.35
8.1.250.0000.00828.09
8.1.240.0030.00622.31
8.1.230.0110.00020.93
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0030.00917.23
8.1.190.0040.00416.88
8.1.180.0000.00818.10
8.1.170.0040.00418.50
8.1.160.0040.00421.89
8.1.150.0000.00718.75
8.1.140.0050.00317.32
8.1.130.0070.00017.80
8.1.120.0040.00417.30
8.1.110.0000.00817.28
8.1.100.0040.00417.36
8.1.90.0030.00617.21
8.1.80.0000.00717.22
8.1.70.0000.00717.20
8.1.60.0060.00317.45
8.1.50.0000.00817.28
8.1.40.0060.00317.39
8.1.30.0040.00417.55
8.1.20.0000.00817.46
8.1.10.0000.00717.23
8.1.00.0000.00817.32
8.0.300.0040.00419.90
8.0.290.0080.00016.58
8.0.280.0000.00718.23
8.0.270.0040.00417.03
8.0.260.0030.00317.11
8.0.250.0050.00216.78
8.0.240.0060.00016.71
8.0.230.0000.00716.79
8.0.220.0040.00416.75
8.0.210.0030.00416.63
8.0.200.0000.00616.73
8.0.190.0030.00316.84
8.0.180.0040.00416.75
8.0.170.0000.00816.76
8.0.160.0040.00416.76
8.0.150.0050.00216.64
8.0.140.0070.00016.70
8.0.130.0040.00413.11
8.0.120.0030.00616.66
8.0.110.0000.00816.77
8.0.100.0000.00716.63
8.0.90.0040.00416.87
8.0.80.0060.00916.71
8.0.70.0050.00216.77
8.0.60.0000.00716.59
8.0.50.0040.00416.64
8.0.30.0120.00716.82
8.0.20.0120.01017.40
8.0.10.0000.00716.72
8.0.00.0090.00916.54
7.4.330.0050.00015.00
7.4.320.0060.00016.40
7.4.300.0000.00716.43
7.4.290.0070.00016.45
7.4.280.0000.00716.46
7.4.270.0000.00716.34
7.4.260.0030.00316.34
7.4.250.0000.00716.42
7.4.240.0030.00316.42
7.4.230.0070.00016.41
7.4.220.0030.01716.44
7.4.210.0060.00916.34
7.4.200.0030.00316.25
7.4.160.0130.00716.21
7.4.150.0120.00617.40
7.4.140.0080.00817.86
7.4.130.0080.00916.39
7.4.120.0060.01116.32
7.4.110.0100.00716.33
7.4.100.0070.01416.42
7.4.90.0070.01016.18
7.4.80.0140.01219.39
7.4.70.0030.01516.31
7.4.60.0130.00716.30
7.4.50.0000.00516.28
7.4.40.0130.00316.21
7.4.30.0100.00616.43
7.4.00.0100.00714.55
7.3.330.0080.00013.13
7.3.320.0000.00513.13
7.3.310.0060.00016.19
7.3.300.0030.00316.13
7.3.290.0040.01116.18
7.3.280.0100.00716.16
7.3.270.0100.01317.40
7.3.260.0080.00816.41
7.3.250.0130.00416.16
7.3.240.0080.01116.24
7.3.230.0150.00916.39
7.3.210.0080.00816.18
7.3.200.0130.00619.39
7.3.190.0130.00916.35
7.3.180.0030.01516.33
7.3.170.0110.00516.28
7.3.160.0090.00616.13
7.2.330.0110.00916.49
7.2.320.0050.01116.36
7.2.310.0110.01116.48
7.2.300.0160.00016.52
7.2.290.0060.01016.22
7.1.70.0000.01216.60
7.1.60.0050.00517.07
7.1.50.0110.01116.62
7.1.00.0130.08722.28
7.0.200.0040.00416.73
7.0.140.0030.07322.14
7.0.60.0070.08319.90
7.0.50.0100.07717.96
7.0.40.0030.04320.02
7.0.30.0370.05720.08
7.0.20.0370.06720.19
7.0.10.0270.08720.10
7.0.00.0100.04320.21
5.6.280.0030.07320.81
5.6.210.0100.03720.69
5.6.200.0070.07018.12
5.6.190.0030.05720.57
5.6.180.3270.04320.67
5.6.170.0200.04320.44
5.6.160.0170.07020.46
5.6.150.0070.08318.20
5.6.140.0000.04318.29
5.6.130.0030.05318.14
5.6.120.0100.08021.00
5.6.110.0030.04021.00
5.6.100.0070.07321.13
5.6.90.0100.07720.86
5.6.80.0070.07720.38
5.6.70.0230.06720.38
5.5.350.0130.03720.41
5.5.340.0030.06017.96
5.5.330.0070.08020.28
5.5.320.0370.05020.27
5.5.310.0230.08020.26
5.5.300.0000.04317.99
5.5.290.0070.07718.07
5.5.280.0070.08720.89
5.5.270.0070.08720.87
5.5.260.0030.05020.79
5.5.250.0100.07020.57
5.5.240.4070.03720.11
5.4.450.1170.05019.55
5.4.440.0830.05019.48
5.4.430.0470.05019.35
5.4.420.0800.05719.50
5.4.410.0130.04719.27
5.4.400.0830.04718.89
5.4.390.0730.05719.22
5.4.380.0130.05718.78
5.4.370.0100.05318.70
5.4.360.0270.05318.70
5.4.350.0060.04712.03
5.4.340.0080.04012.02
5.4.320.0050.03912.51
5.4.310.0060.03712.51
5.4.300.0040.03812.51
5.4.290.0060.03812.50
5.4.280.0050.03712.40
5.4.270.0050.03612.40
5.4.260.0060.03612.40
5.4.250.0070.03612.40
5.4.240.0040.03612.40
5.4.230.0060.03612.39
5.4.220.0050.03612.39
5.4.210.0050.03812.39
5.4.200.0040.04112.39
5.4.190.0070.03412.39
5.4.180.0050.03612.39
5.4.170.0070.03412.40
5.4.160.0070.03512.39
5.4.150.0050.03612.39
5.4.140.0040.03912.08
5.4.130.0070.03512.06
5.4.120.0050.03412.02
5.4.110.0080.03312.02
5.4.100.0060.03512.02
5.4.90.0060.03812.03
5.4.80.0040.04012.02
5.4.70.0040.03612.02
5.4.60.0060.03412.02
5.4.50.0050.03612.02
5.4.40.0070.03412.01
5.4.30.0080.03812.01
5.4.20.0090.03212.00
5.4.10.0070.03412.00
5.4.00.0060.03611.49

preferences:
56.57 ms | 400 KiB | 5 Q