3v4l.org

run code in 300+ PHP versions simultaneously
<?php class B{} var_dump(array_keys(get_declared_class()));

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)
8.3.60.0100.00718.31
8.3.50.0230.00321.04
8.3.40.0100.01019.02
8.3.30.0140.00318.71
8.3.20.0070.00020.33
8.3.10.0000.00821.88
8.3.00.0040.00419.56
8.2.180.0070.01116.63
8.2.170.0120.00322.96
8.2.160.0070.00719.33
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0040.00426.16
8.2.120.0040.00417.50
8.2.110.0090.00020.57
8.2.100.0080.00418.90
8.2.90.0050.00319.22
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0030.00717.79
8.2.50.0030.00518.07
8.2.40.0040.00720.90
8.2.30.0080.00019.69
8.2.20.0000.00817.75
8.2.10.0040.00418.06
8.2.00.0040.00418.01
8.1.280.0070.00725.92
8.1.270.0060.01220.20
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.70
8.1.230.0040.00720.96
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0060.00317.13
8.1.190.0050.00317.11
8.1.180.0040.00418.10
8.1.170.0000.00818.46
8.1.160.0040.00422.00
8.1.150.0040.00418.81
8.1.140.0100.00017.34
8.1.130.0000.00717.64
8.1.120.0000.00717.40
8.1.110.0020.00517.35
8.1.100.0000.00717.33
8.1.90.0000.00817.35
8.1.80.0070.00017.22
8.1.70.0000.00817.34
8.1.60.0040.00417.48
8.1.50.0070.00017.48
8.1.40.0040.00417.42
8.1.30.0000.00817.50
8.1.20.0000.00817.60
8.1.10.0080.00017.42
8.1.00.0030.00617.41
8.0.300.0030.00618.77
8.0.290.0070.00016.63
8.0.280.0030.00318.39
8.0.270.0030.00317.20
8.0.260.0000.00617.18
8.0.250.0040.00416.83
8.0.240.0000.00716.95
8.0.230.0070.00016.87
8.0.220.0000.00716.82
8.0.210.0040.00416.89
8.0.200.0030.00316.97
8.0.190.0110.00017.00
8.0.180.0080.00316.84
8.0.170.0060.00316.96
8.0.160.0070.00016.97
8.0.150.0000.00816.94
8.0.140.0030.00516.93
8.0.130.0030.00313.32
8.0.120.0000.00716.89
8.0.110.0040.00416.88
8.0.100.0000.00716.75
8.0.90.0080.00016.80
8.0.80.0090.00616.87
8.0.70.0070.00016.92
8.0.60.0000.00716.86
8.0.50.0000.00716.96
8.0.30.0110.00417.12
8.0.20.0110.00917.40
8.0.10.0040.00416.95
8.0.00.0070.01116.73
7.4.330.0030.00315.08
7.4.320.0030.00316.28
7.4.300.0030.00316.55
7.4.290.0050.00516.43
7.4.280.0050.00316.54
7.4.270.0060.00016.46
7.4.260.0030.00316.50
7.4.250.0070.00016.53
7.4.240.0060.00116.52
7.4.230.0050.00216.29
7.4.220.0060.00916.43
7.4.210.0060.00916.39
7.4.200.0080.00016.29
7.4.160.0070.01016.58
7.4.150.0030.01417.40
7.4.140.0130.00817.86
7.4.130.0120.00916.49
7.4.120.0070.01016.43
7.4.110.0070.01416.39
7.4.100.0070.01016.71
7.4.90.0090.00916.54
7.4.80.0140.00719.39
7.4.70.0120.00616.41
7.4.60.0060.01316.64
7.4.50.0050.00316.59
7.4.40.0100.00616.13
7.4.30.0140.00316.57
7.4.00.0070.00714.58
7.3.330.0070.00013.29
7.3.320.0030.00313.27
7.3.310.0060.00316.25
7.3.300.0030.00316.31
7.3.290.0090.00916.24
7.3.280.0090.01016.28
7.3.270.0070.01017.40
7.3.260.0130.00316.36
7.3.250.0110.00916.44
7.3.240.0080.00816.30
7.3.230.0060.01216.53
7.3.210.0130.00316.26
7.3.200.0110.00616.37
7.3.190.0120.00616.21
7.3.180.0070.01116.56
7.3.170.0090.00616.40
7.3.160.0210.00016.32
7.2.330.0030.01316.60
7.2.320.0070.01016.52
7.2.310.0090.01216.41
7.2.300.0120.00416.43
7.2.290.0100.01016.68
7.2.60.0030.01316.66
7.2.00.0060.00619.07
7.1.200.0000.01115.81
7.1.100.0070.00717.77
7.1.70.0000.00917.04
7.1.60.0100.01019.12
7.1.50.0090.01316.77
7.1.00.0070.07322.54
7.0.200.0070.00716.44
7.0.60.0170.03019.91
7.0.50.0070.05017.83
7.0.40.0130.07720.26
7.0.30.0500.06320.24
7.0.20.0270.06320.24
7.0.10.0030.05020.15
7.0.00.0100.04720.20
5.6.280.0070.06721.14
5.6.210.0100.07720.75
5.6.200.0000.04318.16
5.6.190.0070.07720.42
5.6.180.0230.07720.48
5.6.170.0230.04320.62
5.6.160.0130.07720.57
5.6.150.0200.06718.15
5.6.140.0100.08018.21
5.6.130.0000.05718.18
5.6.120.0030.04721.09
5.6.110.0100.03721.08
5.6.100.0070.05720.98
5.6.90.0030.05721.08
5.6.80.0100.07320.39
5.6.70.0130.03320.37
5.5.350.0170.04320.49
5.5.340.0030.08717.95
5.5.330.0070.07020.29
5.5.320.0370.07720.31
5.5.310.0230.06320.29
5.5.300.0100.07718.03
5.5.290.0130.08018.03
5.5.280.0170.07320.77
5.5.270.0070.04020.79
5.5.260.0030.09020.85
5.5.250.0070.08020.58
5.5.240.0200.07320.27
5.4.450.0470.06019.61
5.4.440.0600.05019.61
5.4.430.0630.04319.45
5.4.420.0570.05019.60
5.4.410.0570.05019.43
5.4.400.0570.04719.10
5.4.390.0500.05719.28
5.4.380.0500.05719.25
5.4.370.0570.04719.25
5.4.360.0630.04319.25
5.4.350.0500.05719.29
5.4.340.0530.05718.82
5.4.320.0530.05319.02
5.4.310.0570.04719.08
5.4.300.0600.04319.24
5.4.290.0670.04319.36
5.4.280.0700.04719.27
5.4.270.0700.05018.85
5.4.260.0700.05019.29
5.4.250.0530.05319.24
5.4.240.0570.04719.36
5.4.230.0570.04719.14
5.4.220.0570.05019.27
5.4.210.0730.03319.00
5.4.200.0830.04719.24
5.4.190.0570.05018.97
5.4.180.0700.05719.36
5.4.170.0730.05719.26
5.4.160.0630.06018.84
5.4.150.0630.05719.26
5.4.140.0770.04016.45
5.4.130.0600.05316.71
5.4.120.0670.05016.52
5.4.110.0370.06316.62
5.4.100.0270.05016.67
5.4.90.0230.03716.42
5.4.80.0070.05316.39
5.4.70.0170.03316.25
5.4.60.0270.07716.43
5.4.50.0070.03316.33
5.4.40.0000.03716.38
5.4.30.0100.06716.16
5.4.20.0030.03016.53

preferences:
57.97 ms | 401 KiB | 5 Q