3v4l.org

run code in 300+ PHP versions simultaneously
<?php function __autoload($className) { echo "try autoload $className "; } class_alias("XXXX", "BBBB", true);

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)
8.3.40.0180.00318.54
8.3.30.0090.00618.79
8.3.20.0060.00320.16
8.3.10.0050.00323.65
8.3.00.0070.00317.59
8.2.170.0100.00722.96
8.2.160.0030.01120.43
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0040.00422.13
8.2.110.0070.00321.99
8.2.100.0120.00017.84
8.2.90.0040.00419.11
8.2.80.0000.00817.97
8.2.70.0100.00017.38
8.2.60.0060.00317.80
8.2.50.0000.00818.07
8.2.40.0090.00018.09
8.2.30.0000.00818.00
8.2.20.0000.00917.60
8.2.10.0040.00417.92
8.2.00.0000.00917.45
8.1.270.0100.00322.02
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0060.00320.97
8.1.230.0080.00319.00
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.10
8.1.190.0040.00417.18
8.1.180.0000.00818.10
8.1.170.0030.00518.60
8.1.160.0000.00821.94
8.1.150.0070.00018.42
8.1.140.0050.00317.23
8.1.130.0070.00017.63
8.1.120.0000.00717.37
8.1.110.0040.00417.21
8.1.100.0050.00217.16
8.1.90.0070.00017.36
8.1.80.0000.00817.33
8.1.70.0000.00717.32
8.1.60.0050.00317.49
8.1.50.0030.00617.33
8.1.40.0000.00717.31
8.1.30.0030.00517.51
8.1.20.0000.00717.51
8.1.10.0040.00417.39
8.1.00.0040.00417.32
8.0.300.0060.00318.77
8.0.290.0030.00316.93
8.0.280.0000.00718.32
8.0.270.0000.00717.02
8.0.260.0030.00317.04
8.0.250.0040.00416.87
8.0.240.0070.00316.85
8.0.230.0030.00316.90
8.0.220.0030.00316.82
8.0.210.0000.00816.82
8.0.200.0070.00016.92
8.0.190.0000.00716.93
8.0.180.0040.00416.85
8.0.170.0000.00816.75
8.0.160.0070.00016.68
8.0.150.0050.00216.76
8.0.140.0070.00016.72
8.0.130.0000.00713.18
8.0.120.0000.00716.77
8.0.110.0040.00416.84
8.0.100.0030.00316.67
8.0.90.0040.00416.62
8.0.80.0120.00816.79
8.0.70.0070.00016.93
8.0.60.0000.00716.77
8.0.50.0000.00816.80
8.0.30.0130.00516.96
8.0.20.0090.00917.40
8.0.10.0000.00716.88
8.0.00.0120.00616.72
7.4.330.0050.00015.08
7.4.320.0040.00416.48
7.4.300.0000.00716.26
7.4.290.0070.00016.26
7.4.280.0000.01016.29
7.4.270.0000.00716.46
7.4.260.0000.00716.40
7.4.250.0000.00716.32
7.4.240.0000.00716.40
7.4.230.0030.00316.44
7.4.220.0110.00716.49
7.4.210.0060.01016.43
7.4.200.0000.00716.26
7.4.190.0070.00016.25
7.4.160.0100.01316.49
7.4.150.0030.01417.40
7.4.140.0110.00817.86
7.4.130.0110.00516.44
7.4.120.0070.00916.38
7.4.110.0140.01016.54
7.4.100.0120.00916.41
7.4.90.0100.00716.40
7.4.80.0110.00819.39
7.4.70.0130.00316.22
7.4.60.0160.00416.38
7.4.50.0080.00016.16
7.4.40.0070.01022.77
7.4.30.0090.00616.47
7.4.00.0080.00815.09
7.3.330.0050.00013.09
7.3.320.0050.00013.27
7.3.310.0000.00716.24
7.3.300.0030.00316.29
7.3.290.0040.01016.30
7.3.280.0060.01216.33
7.3.270.0170.00017.40
7.3.260.0080.00816.37
7.3.250.0040.01416.47
7.3.240.0070.01016.41
7.3.230.0030.01416.39
7.3.210.0100.00716.56
7.3.200.0120.00619.39
7.3.190.0140.00916.27
7.3.180.0130.00316.31
7.3.170.0060.01016.60
7.3.160.0140.00316.24
7.3.120.0070.01014.94
7.2.330.0150.00316.54
7.2.320.0100.01316.58
7.2.310.0100.00616.52
7.2.300.0050.01316.36
7.2.290.0090.00916.56
7.2.60.0090.00616.61
7.2.00.0030.00919.40
7.1.200.0040.01115.82
7.1.100.0040.01117.60
7.1.70.0030.00616.85
7.1.60.0110.01419.33
7.1.50.0090.01216.82
7.1.00.0000.08022.43
7.0.200.0050.00216.61
7.0.140.0070.08022.21
7.0.70.0730.08320.13
7.0.60.0900.08720.05
7.0.50.0870.09020.31
7.0.40.0200.07020.17
7.0.30.0130.07720.18
7.0.20.0070.08020.07
7.0.10.0070.07320.14
7.0.00.0070.08720.04
5.6.280.0030.07320.82
5.6.220.0130.07720.65
5.6.210.0030.06720.65
5.6.200.0130.06320.96
5.6.190.0070.07020.94
5.6.180.0100.08321.04
5.6.170.0100.04320.99
5.6.160.0130.08021.09
5.6.150.0070.05321.02
5.6.140.0130.04720.96
5.6.130.0030.06721.04
5.6.120.0030.08321.11
5.6.110.0070.07720.93
5.6.100.0070.08321.09
5.6.90.0030.09021.00
5.6.80.0030.08320.45
5.6.70.0070.08320.48
5.6.60.0200.05020.46
5.6.50.0030.08020.41
5.6.40.0170.06020.38
5.6.30.0100.08020.40
5.6.20.0030.08720.36
5.6.10.0100.06020.41
5.6.00.0070.08320.35
5.5.360.0100.07020.34
5.5.350.0200.07720.42
5.5.340.0170.06720.91
5.5.330.0170.07720.77
5.5.320.0100.07320.73
5.5.310.0130.03320.80
5.5.300.0030.08720.80
5.5.290.0130.08020.90
5.5.280.0100.06720.75
5.5.270.0130.07320.77
5.5.260.0100.07720.86
5.5.250.0130.08020.71
5.5.240.0200.07020.31
5.5.230.0070.07320.25
5.5.220.0000.05320.26
5.5.210.0070.08320.21
5.5.200.0070.05720.24
5.5.190.0100.04320.24
5.5.180.0230.06719.97
5.5.160.0070.08720.13
5.5.150.0100.08020.15
5.5.140.0030.06020.10
5.5.130.0070.08020.22
5.5.120.0100.07720.18
5.5.110.0200.07020.27
5.5.100.0100.07719.96
5.5.90.0070.08020.07
5.5.80.0130.07720.06
5.5.70.0070.07720.05
5.5.60.0170.07020.15
5.5.50.0130.07320.11
5.5.40.0030.05020.05
5.5.30.0130.07020.05
5.5.20.0100.08020.05
5.5.10.0070.06320.00
5.5.00.0070.06020.02
5.4.450.0030.08319.38
5.4.440.0130.04719.36
5.4.430.0100.08019.17
5.4.420.0100.08319.19
5.4.410.0070.08019.33
5.4.400.0100.07318.88
5.4.390.0000.08719.07
5.4.380.0030.04719.18
5.4.370.0100.04718.90
5.4.360.0130.07019.18
5.4.350.0070.07718.88
5.4.340.0100.07318.95
5.4.320.0070.07719.16
5.4.310.0130.04719.05
5.4.300.0170.07319.12
5.4.290.0170.06719.13
5.4.280.0100.07718.88
5.4.270.0100.05719.13
5.4.260.0070.06019.17
5.4.250.0100.05319.04
5.4.240.0130.07319.04
5.4.230.0100.08019.22
5.4.220.0100.05018.94
5.4.210.0030.07019.12
5.4.200.0030.03719.14
5.4.190.0000.04018.89
5.4.180.0000.06019.22
5.4.170.0070.07718.94
5.4.160.0070.08019.21
5.4.150.0130.07319.03
5.4.140.0100.05316.46
5.4.130.0100.04316.36
5.4.120.0030.06716.41
5.4.110.0100.07316.46
5.4.100.0030.07316.36
5.4.90.0100.07016.39
5.4.80.0130.06716.23
5.4.70.0030.07716.49
5.4.60.0100.07016.35
5.4.50.0070.06716.41
5.4.40.0130.07016.45
5.4.30.0030.07316.44
5.4.20.0070.07716.36
5.4.10.0030.08016.32
5.4.00.0100.07315.87
5.3.290.0130.07014.63
5.3.280.0070.06314.64
5.3.270.0070.07714.72
5.3.260.0070.07714.59
5.3.250.0070.07314.53
5.3.240.0030.04014.70
5.3.230.0130.07714.63
5.3.220.0030.05714.63
5.3.210.0100.06014.50
5.3.200.0030.08014.56
5.3.190.0000.05314.58
5.3.180.0200.06314.50
5.3.170.0000.08714.52
5.3.160.0130.05314.53
5.3.150.0130.07314.62
5.3.140.0100.07314.67
5.3.130.0100.07714.61
5.3.120.0070.07714.47
5.3.110.0130.07314.47
5.3.100.0070.07714.14
5.3.90.0030.06714.05
5.3.80.0030.05314.15
5.3.70.0100.06313.99
5.3.60.0030.07313.90
5.3.50.0130.07313.98
5.3.40.0030.07313.84
5.3.30.0100.06313.93
5.3.20.0030.05313.73
5.3.10.0100.07013.75
5.3.00.0030.04313.77
5.2.170.0070.06312.20
5.2.160.0100.05712.20
5.2.150.0100.05012.20
5.2.140.0030.06012.20
5.2.130.0070.03712.20
5.2.120.0070.06012.20
5.2.110.0100.04012.20
5.2.100.0000.03312.20
5.2.90.0070.03312.20
5.2.80.0030.04712.20
5.2.70.0030.03712.20
5.2.60.0070.04012.20
5.2.50.0030.05712.20
5.2.40.0030.05712.20
5.2.30.0070.06312.20
5.2.20.0000.06712.20
5.2.10.0030.04312.20
5.2.00.0100.05712.20
5.1.60.0170.04012.20
5.1.50.0100.05312.20
5.1.40.0070.04312.20
5.1.30.0070.05312.20
5.1.20.0070.05312.20
5.1.10.0070.05312.20
5.1.00.0070.05712.20
5.0.50.0030.04712.20
5.0.40.0000.05012.20
5.0.30.0070.04312.20
5.0.20.0100.03712.20
5.0.10.0000.04012.20
5.0.00.0000.07012.20
4.4.90.0030.02712.20
4.4.80.0000.03712.20
4.4.70.0070.03312.20
4.4.60.0030.03712.20
4.4.50.0000.03012.20
4.4.40.0130.05012.20
4.4.30.0130.03012.20
4.4.20.0030.03712.20
4.4.10.0070.03312.20
4.4.00.0070.05712.20
4.3.110.0100.02312.20
4.3.100.0030.03312.20
4.3.90.0070.03012.20
4.3.80.0030.05312.20
4.3.70.0000.03712.20
4.3.60.0000.03312.20
4.3.50.0030.03312.20
4.3.40.0000.05712.20
4.3.30.0030.03312.20
4.3.20.0030.03312.20
4.3.10.0000.03312.20
4.3.00.0030.03312.20

preferences:
41.46 ms | 400 KiB | 5 Q