3v4l.org

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

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)
8.3.60.0160.00318.05
8.3.50.0150.00721.07
8.3.40.0100.00718.73
8.3.30.0160.00318.73
8.3.20.0040.00420.42
8.3.10.0080.00021.77
8.3.00.0080.00019.37
8.2.180.0100.00716.50
8.2.170.0180.00022.96
8.2.160.0080.00822.07
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0090.00017.63
8.2.110.0030.00621.07
8.2.100.0090.00317.66
8.2.90.0050.00317.78
8.2.80.0110.00418.09
8.2.70.0000.00817.50
8.2.60.0030.00617.80
8.2.50.0000.00918.07
8.2.40.0100.00519.15
8.2.30.0030.00619.65
8.2.20.0050.00317.63
8.2.10.0040.00417.99
8.2.00.0000.00817.84
8.1.280.0080.00825.92
8.1.270.0040.00420.22
8.1.260.0030.00626.35
8.1.250.0000.00828.09
8.1.240.0100.00019.03
8.1.230.0080.00422.69
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0000.00817.00
8.1.190.0000.00816.98
8.1.180.0030.00618.10
8.1.170.0000.00818.65
8.1.160.0000.00721.84
8.1.150.0050.00318.80
8.1.140.0080.00017.34
8.1.130.0040.00417.58
8.1.120.0000.00717.21
8.1.110.0050.00317.21
8.1.100.0000.00717.41
8.1.90.0000.00817.34
8.1.80.0000.00717.37
8.1.70.0040.00417.29
8.1.60.0040.00417.39
8.1.50.0040.00417.43
8.1.40.0040.00417.48
8.1.30.0050.00317.38
8.1.20.0040.00417.45
8.1.10.0030.00617.38
8.1.00.0040.00417.36
8.0.300.0040.00419.77
8.0.290.0040.00416.58
8.0.280.0000.00718.30
8.0.270.0070.00017.06
8.0.260.0070.00017.14
8.0.250.0000.00716.81
8.0.240.0040.00416.83
8.0.230.0030.00516.83
8.0.220.0030.00316.67
8.0.210.0070.00016.84
8.0.200.0000.00616.71
8.0.190.0040.00716.86
8.0.180.0030.00916.78
8.0.170.0060.00316.80
8.0.160.0050.00216.84
8.0.150.0030.00616.71
8.0.140.0040.00416.63
8.0.130.0060.00013.21
8.0.120.0040.00416.80
8.0.110.0000.00716.81
8.0.100.0000.00716.69
8.0.90.0060.00316.84
8.0.80.0090.00916.82
8.0.70.0000.00716.56
8.0.60.0040.00416.75
8.0.50.0050.00316.76
8.0.30.0100.00616.96
8.0.20.0170.00517.40
8.0.10.0050.00316.86
8.0.00.0100.00916.58
7.4.330.0050.00015.08
7.4.320.0030.00316.41
7.4.300.0030.00316.51
7.4.290.0100.00016.49
7.4.280.0040.00416.37
7.4.270.0030.00316.32
7.4.260.0050.00216.23
7.4.250.0050.00316.36
7.4.240.0040.00316.39
7.4.230.0030.00316.58
7.4.220.0170.00716.32
7.4.210.0060.00916.43
7.4.200.0070.00016.30
7.4.160.0130.00516.16
7.4.150.0160.00617.40
7.4.140.0160.00417.86
7.4.130.0130.01016.52
7.4.120.0140.00516.32
7.4.110.0120.01216.36
7.4.100.0130.01416.36
7.4.90.0090.01116.44
7.4.80.0150.00419.39
7.4.70.0060.01216.37
7.4.60.0170.00316.25
7.4.50.0040.00416.24
7.4.40.0000.01816.17
7.4.30.0030.01416.36
7.4.00.0080.01014.73
7.3.330.0000.00713.16
7.3.320.0060.00013.29
7.3.310.0030.00316.04
7.3.300.0000.00716.19
7.3.290.0040.01516.18
7.3.280.0100.00916.22
7.3.270.0040.01417.40
7.3.260.0090.01316.26
7.3.240.0180.00316.39
7.3.230.0100.01316.39
7.3.210.0170.01016.47
7.3.200.0150.00916.32
7.3.190.0060.01516.48
7.3.180.0120.00616.13
7.3.170.0110.00816.27
7.3.160.0060.01516.16
7.3.120.0140.00314.70
7.3.110.0100.00714.70
7.3.100.0030.01014.57
7.3.90.0090.00014.60
7.3.80.0060.00914.75
7.3.70.0060.01214.63
7.3.60.0100.00314.75
7.3.50.0130.00314.60
7.3.40.0070.01014.71
7.3.30.0050.00514.76
7.3.20.0060.00616.29
7.3.10.0040.00916.59
7.3.00.0100.00316.56
7.2.330.0060.01316.35
7.2.320.0080.01216.32
7.2.310.0120.01216.18
7.2.300.0040.01516.20
7.2.290.0130.00616.34
7.2.250.0030.01614.42
7.2.240.0070.01414.84
7.2.230.0090.00915.02
7.2.220.0000.01714.66
7.2.210.0070.00315.07
7.2.200.0070.01114.89
7.2.190.0040.00714.66
7.2.180.0090.00914.80
7.2.170.0000.01614.67
7.2.130.0100.00716.23
7.2.120.0000.01016.48
7.2.110.0060.00616.35
7.2.100.0100.01316.21
7.2.90.0030.00916.45
7.2.80.0040.00716.33
7.2.70.0070.00716.19
7.2.60.0020.01516.57
7.2.50.0100.00616.40
7.2.40.0140.00016.40
7.2.30.0140.00716.48
7.2.20.0070.01016.61
7.2.10.0170.00716.63
7.2.00.0120.00817.91
7.1.330.0030.01415.78
7.1.320.0130.00315.70
7.1.310.0030.01315.73
7.1.300.0090.00315.78
7.1.290.0120.00315.71
7.1.280.0060.00615.68
7.1.270.0000.01515.70
7.1.260.0000.01015.60
7.1.250.0090.00615.53
7.1.200.0000.00915.54
7.1.100.0100.00718.01
7.1.70.0060.00917.00
7.1.60.0100.01319.12
7.1.50.0030.01916.62
7.1.00.0070.07722.43
7.0.200.0120.00416.70
7.0.60.0300.06020.05
7.0.50.0070.07717.91
7.0.40.0100.08320.11
7.0.30.0270.04720.24
7.0.20.0330.07320.10
7.0.10.0030.06020.30
7.0.00.0130.08320.30
5.6.280.0070.05321.10
5.6.210.0100.07720.50
5.6.200.0030.04318.22
5.6.190.0170.08020.42
5.6.180.0270.04020.67
5.6.170.0230.04320.47
5.6.160.0070.05320.47
5.6.150.0100.04018.16
5.6.140.0070.05018.23
5.6.130.0070.04718.28
5.6.120.0230.05020.98
5.6.110.0170.07721.01
5.6.100.0130.08021.05
5.6.90.0100.07321.16
5.6.80.0170.07020.44
5.6.70.0070.03720.56
5.5.350.0300.07320.40
5.5.340.0000.06017.92
5.5.330.0100.04720.31
5.5.320.0400.07020.27
5.5.310.0370.06720.34
5.5.300.0130.06717.95
5.5.290.0100.04718.08
5.5.280.0030.04020.80
5.5.270.0030.04020.82
5.5.260.0100.08020.92
5.5.250.0200.06020.61
5.5.240.0130.03720.05
5.4.450.0670.05719.58
5.4.440.0770.05019.55
5.4.430.0630.05719.68
5.4.420.0700.05019.33
5.4.410.0600.06019.47
5.4.400.0770.04719.29
5.4.390.0770.06318.80
5.4.380.0670.05019.25
5.4.370.0700.05319.25
5.4.360.0630.06019.02
5.4.350.0670.05318.98
5.4.340.0700.05319.25
5.4.320.0800.04719.26
5.4.310.0800.05719.37
5.4.300.0670.05319.09
5.4.290.0730.05018.86
5.4.280.0530.06319.02
5.4.270.0630.04319.28
5.4.260.0630.04319.12
5.4.250.0670.05319.27
5.4.240.0730.05018.98
5.4.230.0670.05318.84
5.4.220.0570.05019.27
5.4.210.0530.05319.00
5.4.200.0800.06019.14
5.4.190.0600.06318.86
5.4.180.0600.04719.02
5.4.170.0530.05319.23
5.4.160.0700.05318.98
5.4.150.0700.05019.21
5.4.140.0630.05716.79
5.4.130.0500.05316.36
5.4.120.0570.05016.55
5.4.110.0600.04716.63
5.4.100.0670.05316.66
5.4.90.0500.05716.62
5.4.80.0700.05016.65
5.4.70.0170.03316.55
5.4.60.0200.05316.43
5.4.50.0030.03316.47
5.4.40.0030.03316.41
5.4.30.0100.06716.27
5.4.20.0030.03316.44

preferences:
57.19 ms | 401 KiB | 5 Q