3v4l.org

run code in 300+ PHP versions simultaneously
<?php function __autoload($class_name) { var_dump('Trying to autload '. $class_name); } class BAR{ public static $att = 'attr'; } //$attr = 'att'; $c = 'BAR'; echo $c::$att;

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)
8.3.40.0140.00318.63
8.3.30.0110.00418.97
8.3.20.0080.00020.13
8.3.10.0000.00722.09
8.3.00.0050.00322.40
8.2.170.0080.00822.96
8.2.160.0070.00720.77
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0030.00526.16
8.2.120.0050.00317.38
8.2.110.0030.00622.04
8.2.100.0030.00919.52
8.2.90.0040.00418.92
8.2.80.0030.00617.97
8.2.70.0040.00417.50
8.2.60.0030.00517.68
8.2.50.0090.00318.07
8.2.40.0030.00618.09
8.2.30.0040.00417.78
8.2.20.0040.00417.44
8.2.10.0030.00619.35
8.2.00.0080.00017.60
8.1.270.0050.00322.02
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00523.98
8.1.230.0050.00519.21
8.1.220.0030.00517.74
8.1.210.0030.00518.77
8.1.200.0070.00317.22
8.1.190.0030.00517.18
8.1.180.0030.00518.10
8.1.170.0030.00618.41
8.1.160.0030.00621.93
8.1.150.0000.00718.50
8.1.140.0030.00617.19
8.1.130.0050.00317.80
8.1.120.0030.00317.27
8.1.110.0000.00717.20
8.1.100.0040.00417.30
8.1.90.0000.00717.34
8.1.80.0070.00017.25
8.1.70.0000.00717.29
8.1.60.0030.00517.46
8.1.50.0040.00417.33
8.1.40.0040.00417.41
8.1.30.0000.00817.33
8.1.20.0000.00817.42
8.1.10.0040.00417.28
8.1.00.0080.00017.16
8.0.300.0030.00318.77
8.0.290.0040.00416.80
8.0.280.0040.00418.16
8.0.270.0030.00317.08
8.0.260.0000.00618.23
8.0.250.0060.00316.79
8.0.240.0050.00316.85
8.0.230.0040.00416.87
8.0.220.0030.00316.84
8.0.210.0040.00416.70
8.0.200.0000.00616.79
8.0.190.0050.00316.89
8.0.180.0030.00616.77
8.0.170.0050.00316.74
8.0.160.0070.00016.88
8.0.150.0000.00716.86
8.0.140.0030.00316.78
8.0.130.0030.00313.21
8.0.120.0040.00416.65
8.0.110.0040.00416.75
8.0.100.0000.00816.79
8.0.90.0040.00416.78
8.0.80.0100.00716.77
8.0.70.0080.00016.65
8.0.60.0000.00716.84
8.0.50.0070.00016.64
8.0.30.0090.00917.03
8.0.20.0150.00617.40
8.0.10.0040.00416.97
8.0.00.0080.01216.57
7.4.330.0000.00515.00
7.4.320.0030.00316.42
7.4.300.0000.00616.48
7.4.290.0070.00016.51
7.4.280.0030.00716.27
7.4.270.0040.00416.41
7.4.260.0000.00716.52
7.4.250.0030.00316.47
7.4.240.0060.00216.49
7.4.230.0000.00716.32
7.4.220.0140.00616.61
7.4.210.0060.00816.55
7.4.200.0030.00316.61
7.4.190.0070.00016.30
7.4.160.0150.00016.72
7.4.150.0160.01117.40
7.4.140.0140.00517.86
7.4.130.0090.00816.34
7.4.120.0130.00516.46
7.4.110.0070.01016.45
7.4.100.0090.00916.34
7.4.90.0120.00616.52
7.4.80.0220.00019.39
7.4.70.0090.00916.45
7.4.60.0070.01316.44
7.4.50.0080.00016.49
7.4.40.0100.00322.77
7.4.30.0060.00916.43
7.4.00.0060.00614.79
7.3.330.0030.00313.35
7.3.320.0050.00013.27
7.3.310.0050.00216.38
7.3.300.0030.00316.36
7.3.290.0110.00316.34
7.3.280.0050.01016.36
7.3.270.0060.01017.40
7.3.260.0080.01016.39
7.3.250.0110.00616.49
7.3.240.0070.01016.45
7.3.230.0060.00916.59
7.3.210.0190.01316.25
7.3.200.0130.00919.39
7.3.190.0130.00316.44
7.3.180.0100.00716.38
7.3.170.0100.01016.40
7.3.160.0070.01016.51
7.3.120.0080.00814.82
7.2.330.0060.01616.57
7.2.320.0120.00916.62
7.2.310.0120.00616.61
7.2.300.0100.00716.47
7.2.290.0100.00716.63
7.2.80.0160.00616.71
7.2.60.0070.00716.80
7.2.00.0090.00319.21
7.1.200.0030.01015.58
7.1.100.0060.00618.13
7.1.70.0070.01017.07
7.1.60.0140.00319.82
7.1.50.0170.00716.70
7.1.00.0030.07722.40
7.0.200.0060.00616.87
7.0.140.0030.07322.09
7.0.100.0030.04719.86
7.0.90.0300.04019.88
7.0.80.0200.04019.88
7.0.70.0000.04319.86
7.0.60.0230.03319.85
7.0.50.0030.08020.32
7.0.40.0000.08319.95
7.0.30.0130.07720.15
7.0.20.0100.06720.15
7.0.10.0100.07320.17
7.0.00.0030.06020.17
5.6.280.0030.07321.07
5.6.250.0030.04320.73
5.6.240.0170.03020.63
5.6.230.0030.04320.59
5.6.220.0000.04020.57
5.6.210.0070.03720.54
5.6.200.0070.07021.04
5.6.190.0100.04021.14
5.6.180.0000.06321.12
5.6.170.0100.07020.96
5.6.160.0100.07320.94
5.6.150.0130.07721.01
5.6.140.0030.04721.02
5.6.130.0130.06321.01
5.6.120.0030.08020.96
5.6.110.0000.05721.11
5.6.100.0030.08321.10
5.6.90.0030.06021.00
5.6.80.0030.08720.52
5.6.70.0070.08020.33
5.6.60.0100.04320.43
5.6.50.0000.08720.41
5.6.40.0100.08020.39
5.6.30.0000.08020.39
5.6.20.0130.07020.39
5.6.10.0070.07720.40
5.6.00.0130.07720.42
5.5.380.0030.04020.34
5.5.370.0030.04020.38
5.5.360.0030.04020.34
5.5.350.0030.04320.43
5.5.340.0070.05320.88
5.5.330.0070.08320.80
5.5.320.0130.07020.74
5.5.310.0100.07720.93
5.5.300.0170.07320.73
5.5.290.0100.08320.78
5.5.280.0070.06020.91
5.5.270.0100.08020.93
5.5.260.0130.07320.77
5.5.250.0130.05720.74
5.5.240.0030.08320.30
5.5.230.0170.06720.17
5.5.220.0100.06720.16
5.5.210.0100.07020.15
5.5.200.0170.07020.23
5.5.190.0100.07320.24
5.5.180.0100.04320.28
5.5.160.0070.07020.11
5.5.150.0100.07320.19
5.5.140.0070.08320.24
5.5.130.0070.03320.25
5.5.120.0030.07320.25
5.5.110.0070.07720.12
5.5.100.0030.07720.08
5.5.90.0070.05020.16
5.5.80.0170.04320.14
5.5.70.0100.06720.07
5.5.60.0030.06020.16
5.5.50.0130.07320.00
5.5.40.0130.07320.10
5.5.30.0100.07720.03
5.5.20.0070.05019.93
5.5.10.0000.08020.09
5.5.00.0070.07720.09
5.4.450.0000.08719.56
5.4.440.0200.07319.42
5.4.430.0100.07719.50
5.4.420.0070.05019.46
5.4.410.0070.05019.23
5.4.400.0070.07319.06
5.4.390.0000.05018.85
5.4.380.0000.05019.16
5.4.370.0030.04718.85
5.4.360.0100.07319.05
5.4.350.0070.07319.14
5.4.340.0070.07319.04
5.4.320.0030.06318.90
5.4.310.0070.08019.23
5.4.300.0070.06319.13
5.4.290.0100.07319.18
5.4.280.0170.06719.04
5.4.270.0030.06319.23
5.4.260.0030.05719.04
5.4.250.0000.08318.84
5.4.240.0100.06019.16
5.4.230.0030.04719.18
5.4.220.0030.04018.85
5.4.210.0030.07018.87
5.4.200.0030.07318.87
5.4.190.0130.04319.02
5.4.180.0100.06718.87
5.4.170.0130.07019.17
5.4.160.0070.06019.14
5.4.150.0000.08319.19
5.4.140.0130.05316.48
5.4.130.0070.07716.39
5.4.120.0130.06016.56
5.4.110.0070.07016.53
5.4.100.0100.06316.39
5.4.90.0100.06016.57
5.4.80.0070.07316.54
5.4.70.0100.07016.47
5.4.60.0070.04716.52
5.4.50.0130.06016.32
5.4.40.0070.07016.43
5.4.30.0070.07316.23
5.4.20.0000.07716.46
5.4.10.0100.07316.34
5.4.00.0070.07015.89
5.3.290.0000.08014.64
5.3.280.0030.08014.64
5.3.270.0070.08714.71
5.3.260.0130.06314.70
5.3.250.0030.08314.56
5.3.240.0130.06314.75
5.3.230.0070.06314.71
5.3.220.0070.07314.68
5.3.210.0070.07714.50
5.3.200.0030.07314.70
5.3.190.0100.07014.62
5.3.180.0070.07014.52
5.3.170.0030.06314.57
5.3.160.0130.07314.57
5.3.150.0100.07014.50
5.3.140.0100.08014.48
5.3.130.0100.07714.48
5.3.120.0030.08314.64
5.3.110.0070.06714.61
5.3.100.0130.06013.98
5.3.90.0130.06314.00
5.3.80.0100.07314.14
5.3.70.0100.06713.94
5.3.60.0030.07314.06
5.3.50.0170.06314.05
5.3.40.0000.05313.92
5.3.30.0100.06713.82
5.3.20.0070.06013.63
5.3.10.0070.06713.72
5.3.00.0070.05313.66
5.2.170.0070.06012.18
5.2.160.0000.06312.18
5.2.150.0100.04712.18
5.2.140.0070.05012.18
5.2.130.0070.05312.18
5.2.120.0130.05312.18
5.2.110.0070.06312.18
5.2.100.0070.04312.18
5.2.90.0030.06312.18
5.2.80.0070.05312.18
5.2.70.0030.06712.18
5.2.60.0130.05312.18
5.2.50.0070.04312.18
5.2.40.0100.05712.18
5.2.30.0030.06312.18
5.2.20.0030.06712.18
5.2.10.0030.04012.18
5.2.00.0000.05712.18
5.1.60.0000.02712.18
5.1.50.0000.05312.18
5.1.40.0100.04312.18
5.1.30.0170.03712.18
5.1.20.0030.03012.18
5.1.10.0030.05312.18
5.1.00.0030.03312.18
5.0.50.0000.03312.18
5.0.40.0000.02712.18
5.0.30.0000.03712.18
5.0.20.0070.03712.18
5.0.10.0100.03312.18
5.0.00.0030.05712.18
4.4.90.0000.02712.18
4.4.80.0000.03712.18
4.4.70.0000.04012.18
4.4.60.0000.02012.18
4.4.50.0070.02712.18
4.4.40.0070.02312.18
4.4.30.0000.03712.18
4.4.20.0000.03712.18
4.4.10.0000.02012.18
4.4.00.0070.04012.18
4.3.110.0070.03312.18
4.3.100.0000.02012.18
4.3.90.0030.02712.18
4.3.80.0030.03012.18
4.3.70.0100.01012.18
4.3.60.0000.02012.18
4.3.50.0070.02312.18
4.3.40.0030.04712.18
4.3.30.0030.03312.18
4.3.20.0000.03712.18
4.3.10.0000.02012.18
4.3.00.0000.03312.18

preferences:
44.64 ms | 400 KiB | 5 Q