3v4l.org

run code in 300+ PHP versions simultaneously
<?php class aTest{} class bTest{} $x = new bTest(); if (! $x instanceof aTest) echo 'not a'; else echo 'a'; if (! $x instanceof bTest) echo 'not b'; else echo ', 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)
8.3.60.0060.01218.30
8.3.50.0090.01021.02
8.3.40.0140.00018.90
8.3.30.0110.00318.68
8.3.20.0040.00418.60
8.3.10.0090.00020.92
8.3.00.0040.00423.66
8.2.180.0100.01016.50
8.2.170.0100.01022.96
8.2.160.0070.00720.39
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.18
8.2.110.0030.00620.35
8.2.100.0090.00317.77
8.2.90.0000.00718.85
8.2.80.0080.00017.97
8.2.70.0000.01017.25
8.2.60.0170.00217.42
8.2.50.0060.00318.07
8.2.40.0030.00618.16
8.2.30.0000.00821.28
8.2.20.0070.00017.57
8.2.10.0080.00017.56
8.2.00.0000.00717.55
8.1.280.0090.00625.92
8.1.270.0070.00023.99
8.1.260.0060.00326.35
8.1.250.0050.00228.09
8.1.240.0080.00317.36
8.1.230.0040.00817.42
8.1.220.0060.00318.77
8.1.210.0060.00318.96
8.1.200.0030.00617.10
8.1.190.0050.00217.40
8.1.180.0030.00618.10
8.1.170.0060.00318.54
8.1.160.0040.00418.95
8.1.150.0000.00718.60
8.1.140.0040.00417.41
8.1.130.0000.00717.86
8.1.120.0080.00017.50
8.1.110.0040.00417.38
8.1.100.0000.00717.45
8.1.90.0020.00517.49
8.1.80.0000.00717.45
8.1.70.0000.00717.38
8.1.60.0000.01017.49
8.1.50.0040.00417.48
8.1.40.0050.00317.50
8.1.30.0000.00717.66
8.1.20.0030.00617.70
8.1.10.0070.00017.55
8.1.00.0040.00417.39
8.0.300.0000.00719.97
8.0.290.0000.00817.05
8.0.280.0000.00718.42
8.0.270.0080.00017.32
8.0.260.0040.00416.78
8.0.250.0040.00416.97
8.0.240.0000.00716.85
8.0.230.0000.00716.95
8.0.220.0070.00016.93
8.0.210.0040.00416.91
8.0.200.0040.00416.95
8.0.190.0020.00516.91
8.0.180.0070.00016.93
8.0.170.0040.00416.92
8.0.160.0000.00916.78
8.0.150.0000.00716.82
8.0.140.0000.00716.91
8.0.130.0060.00013.34
8.0.120.0030.00516.91
8.0.110.0040.00316.89
8.0.100.0040.00416.93
8.0.90.0000.00816.91
8.0.80.0120.00316.95
8.0.70.0000.00716.88
8.0.60.0040.00416.91
8.0.50.0040.00416.84
8.0.30.0080.01017.11
8.0.20.0150.00317.40
8.0.10.0070.00016.91
8.0.00.0180.00316.83
7.4.330.0050.00014.68
7.4.320.0000.00616.64
7.4.300.0060.00016.47
7.4.290.0040.00416.54
7.4.280.0040.00416.60
7.4.270.0000.00816.58
7.4.260.0030.00313.27
7.4.250.0080.00016.51
7.4.240.0030.00316.38
7.4.230.0040.00416.25
7.4.220.0090.00616.33
7.4.210.0070.00816.50
7.4.200.0000.00816.54
7.4.190.0040.00416.55
7.4.160.0120.00416.31
7.4.150.0140.00417.40
7.4.140.0070.01417.86
7.4.130.0100.00716.38
7.4.120.0090.00916.46
7.4.110.0060.01216.38
7.4.100.0070.01416.45
7.4.90.0030.01916.55
7.4.80.0040.01219.39
7.4.70.0100.00716.35
7.4.60.0120.00616.55
7.4.50.0080.00016.54
7.4.40.0070.01122.77
7.4.30.0120.00416.48
7.4.00.0020.01414.79
7.3.330.0050.00013.26
7.3.320.0000.00513.09
7.3.310.0040.00416.29
7.3.300.0000.00616.25
7.3.290.0040.01716.25
7.3.280.0080.00716.26
7.3.270.0090.00917.40
7.3.260.0130.00718.24
7.3.250.0070.01116.46
7.3.240.0070.01016.67
7.3.230.0150.00916.39
7.3.210.0070.01016.57
7.3.200.0110.01119.39
7.3.190.0120.00616.26
7.3.180.0110.00416.57
7.3.170.0140.00716.45
7.3.160.0040.01116.47
7.3.120.0100.00814.59
7.3.110.0170.00014.89
7.3.100.0040.01114.62
7.3.90.0000.00814.61
7.3.80.0070.00715.14
7.3.70.0030.01314.82
7.3.60.0080.00014.91
7.3.50.0070.00714.80
7.3.40.0050.00314.83
7.3.30.0040.00814.80
7.3.20.0000.01316.43
7.3.10.0070.00716.64
7.3.00.0040.01116.55
7.2.330.0060.01216.61
7.2.320.0180.00916.31
7.2.310.0120.00616.27
7.2.300.0000.01916.61
7.2.290.0100.00716.69
7.2.250.0000.01714.93
7.2.240.0090.01214.66
7.2.230.0120.00614.95
7.2.220.0040.00815.13
7.2.210.0110.00315.06
7.2.200.0060.00914.82
7.2.190.0030.00614.65
7.2.180.0000.01414.70
7.2.170.0080.00014.75
7.2.60.0040.01216.74
7.2.00.0030.01119.24
7.1.330.0070.01015.75
7.1.320.0070.00715.92
7.1.310.0060.00615.89
7.1.300.0080.00415.65
7.1.290.0090.00615.56
7.1.280.0060.00915.43
7.1.270.0030.00715.71
7.1.260.0100.00015.73
7.1.200.0070.00715.84
7.1.100.0220.00916.06
7.1.70.0000.01017.09
7.1.60.0040.00719.40
7.1.50.0030.02016.52
7.1.00.0070.06022.48
7.0.200.0000.00716.72
7.0.140.0030.07322.09
7.0.70.0030.06321.82
7.0.60.0030.04021.78
7.0.50.0030.04022.05
7.0.40.0070.04020.07
7.0.30.0030.04320.09
7.0.20.0030.04020.03
7.0.10.0000.04320.03
7.0.00.0070.04319.98
5.6.280.0030.07320.78
5.6.220.0030.05320.68
5.6.210.0000.04020.65
5.6.200.0000.04321.09
5.6.190.0030.04021.01
5.6.180.0030.04021.01
5.6.170.0000.04720.96
5.6.160.0000.04021.11
5.6.150.0100.06721.04
5.6.140.0030.04021.08
5.6.130.0000.06721.04
5.6.120.0000.04720.94
5.6.110.0030.04020.93
5.6.100.0070.08020.98
5.6.90.0070.08021.04
5.6.80.0030.07720.41
5.6.70.0030.05320.39
5.6.60.0000.05720.48
5.6.50.0100.07720.50
5.6.40.0100.03720.39
5.6.30.0100.07020.39
5.6.20.0100.07320.30
5.6.10.0070.08020.46
5.6.00.0000.06020.40
5.5.360.0000.04320.38
5.5.350.0030.04020.34
5.5.340.0000.04320.87
5.5.330.0000.04320.87
5.5.320.0070.08020.90
5.5.310.0030.04020.87
5.5.300.0070.03720.88
5.5.290.0100.03320.75
5.5.280.0030.04020.80
5.5.270.0000.04320.74
5.5.260.0030.08320.80
5.5.250.0130.04720.67
5.5.240.0070.08020.00
5.5.230.0000.08020.27
5.5.220.0000.06720.27
5.5.210.0100.07320.25
5.5.200.0030.04020.20
5.5.190.0000.07720.13
5.5.180.0100.06720.11
5.5.160.0070.05020.25
5.5.150.0030.07720.09
5.5.140.0070.08020.27
5.5.130.0030.08020.26
5.5.120.0030.06720.14
5.5.110.0030.08020.09
5.5.100.0100.06720.08
5.5.90.0030.07320.16
5.5.80.0100.05020.15
5.5.70.0030.05719.91
5.5.60.0070.07320.04
5.5.50.0000.08320.08
5.5.40.0000.05720.08
5.5.30.0070.07320.15
5.5.20.0070.06020.11
5.5.10.0030.04319.95
5.5.00.0070.08020.04
5.4.450.0000.04019.54
5.4.440.0000.06319.58
5.4.430.0070.07019.41
5.4.420.0030.07019.48
5.4.410.0070.04719.32
5.4.400.0000.08018.88
5.4.390.0000.06719.16
5.4.380.0070.06719.04
5.4.370.0070.06319.03
5.4.360.0030.06019.01
5.4.350.0070.06719.16
5.4.340.0030.08019.13
5.4.320.0130.05319.09
5.4.310.0030.07719.11
5.4.300.0100.07319.03
5.4.290.0000.06719.18
5.4.280.0070.05719.23
5.4.270.0030.06019.00
5.4.260.0000.07719.16
5.4.250.0000.04718.87
5.4.240.0000.05319.15
5.4.230.0070.07318.87
5.4.220.0030.07719.12
5.4.210.0000.06718.94
5.4.200.0000.07318.87
5.4.190.0100.06319.11
5.4.180.0000.08019.13
5.4.170.0000.08319.08
5.4.160.0070.07019.16
5.4.150.0070.05319.18
5.4.140.0070.06316.51
5.4.130.0070.04716.51
5.4.120.0000.07316.50
5.4.110.0030.07316.52
5.4.100.0000.07716.44
5.4.90.0000.04716.44
5.4.80.0030.06016.43
5.4.70.0070.06316.54
5.4.60.0030.07316.41
5.4.50.0000.05316.47
5.4.40.0070.06716.52
5.4.30.0000.07716.30
5.4.20.0030.07316.44
5.4.10.0030.03716.37
5.4.00.0000.03715.88
5.3.290.0030.05314.70
5.3.280.0100.06014.54
5.3.270.0000.08014.59
5.3.260.0030.07314.73
5.3.250.0030.07314.56
5.3.240.0000.07714.71
5.3.230.0030.06014.59
5.3.220.0030.08014.67
5.3.210.0070.07014.49
5.3.200.0070.06714.65
5.3.190.0030.08014.70
5.3.180.0000.07714.61
5.3.170.0000.05014.53
5.3.160.0030.07014.57
5.3.150.0000.07014.57
5.3.140.0000.04714.56
5.3.130.0030.07714.68
5.3.120.0070.07314.53
5.3.110.0030.06314.49
5.3.100.0030.05314.14
5.3.90.0070.06714.13
5.3.80.0030.07314.15
5.3.70.0030.07014.03
5.3.60.0030.07014.13
5.3.50.0030.07314.05
5.3.40.0030.06014.08
5.3.30.0030.07313.82
5.3.20.0030.03713.71
5.3.10.0070.06713.54
5.3.00.0030.07713.77
5.2.170.0000.06312.23
5.2.160.0030.04312.23
5.2.150.0000.04312.23
5.2.140.0030.04712.23
5.2.130.0000.04312.23
5.2.120.0070.06012.23
5.2.110.0030.06012.23
5.2.100.0030.05012.23
5.2.90.0070.03312.23
5.2.80.0070.05712.23
5.2.70.0000.04012.23
5.2.60.0000.06012.23
5.2.50.0070.05312.23
5.2.40.0100.04712.23
5.2.30.0030.04712.23
5.2.20.0070.05712.23
5.2.10.0070.05012.23
5.2.00.0000.05312.23
5.1.60.0030.04712.23
5.1.50.0030.05312.23
5.1.40.0000.05312.23
5.1.30.0030.05712.23
5.1.20.0000.05712.23
5.1.10.0070.03312.23
5.1.00.0030.05312.23
5.0.50.0000.04712.23
5.0.40.0000.03312.23
5.0.30.0030.07012.23
5.0.20.0030.04012.23
5.0.10.0000.05012.23
5.0.00.0030.06712.23
4.4.90.0030.03012.23
4.4.80.0030.03312.23
4.4.70.0000.03712.23
4.4.60.0030.03312.23
4.4.50.0000.03712.23
4.4.40.0030.04312.23
4.4.30.0070.02712.23
4.4.20.0030.02312.23
4.4.10.0000.03312.23
4.4.00.0070.03712.23
4.3.110.0030.03312.23
4.3.100.0030.03312.23
4.3.90.0030.02312.23
4.3.80.0000.04712.23
4.3.70.0030.03312.23
4.3.60.0000.03012.23
4.3.50.0000.02312.23
4.3.40.0000.03012.23
4.3.30.0000.03012.23
4.3.20.0000.03012.23
4.3.10.0000.03712.23
4.3.00.0070.03012.23

preferences:
44.31 ms | 401 KiB | 5 Q