3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = null; var_dump(isset($test['a']));

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)
8.3.60.0110.00418.18
8.3.50.0130.00821.21
8.3.40.0150.00018.72
8.3.30.0140.00320.34
8.3.20.0040.00418.52
8.3.10.0080.00021.00
8.3.00.0060.00319.45
8.2.180.0140.00718.66
8.2.170.0070.00722.96
8.2.160.0070.00720.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0040.00419.95
8.2.110.0080.00420.39
8.2.100.0070.00417.78
8.2.90.0080.00019.22
8.2.80.0000.00819.40
8.2.70.0080.00017.50
8.2.60.0000.00817.80
8.2.50.0000.00818.07
8.2.40.0080.00020.07
8.2.30.0040.00421.21
8.2.20.0040.00417.57
8.2.10.0040.00417.62
8.2.00.0080.00317.59
8.1.280.0030.01225.92
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.88
8.1.230.0050.00520.88
8.1.220.0080.00018.77
8.1.210.0110.00018.79
8.1.200.0060.00317.22
8.1.190.0080.00017.39
8.1.180.0000.00818.10
8.1.170.0030.00618.59
8.1.160.0070.00018.81
8.1.150.0050.00418.60
8.1.140.0070.00017.42
8.1.130.0070.00017.80
8.1.120.0070.00417.29
8.1.110.0070.00017.36
8.1.100.0080.00017.27
8.1.90.0040.00317.44
8.1.80.0040.00417.35
8.1.70.0000.00817.35
8.1.60.0030.00617.53
8.1.50.0040.00417.36
8.1.40.0000.00717.46
8.1.30.0000.00817.58
8.1.20.0040.00417.62
8.1.10.0080.00017.59
8.1.00.0080.00017.51
8.0.300.0030.00619.95
8.0.290.0000.00717.18
8.0.280.0000.00718.25
8.0.270.0030.00317.10
8.0.260.0000.00716.61
8.0.250.0040.00416.80
8.0.240.0030.00616.91
8.0.230.0000.00716.87
8.0.220.0040.00416.78
8.0.210.0000.00816.71
8.0.200.0000.00616.90
8.0.190.0050.00316.85
8.0.180.0000.00716.81
8.0.170.0040.00416.68
8.0.160.0070.00016.80
8.0.150.0000.00816.77
8.0.140.0000.00816.77
8.0.130.0060.00013.27
8.0.120.0040.00416.68
8.0.110.0080.00016.61
8.0.100.0070.00016.88
8.0.90.0070.00016.84
8.0.80.0150.00616.77
8.0.70.0000.00816.80
8.0.60.0040.00416.76
8.0.50.0050.00216.66
8.0.30.0090.01317.06
8.0.20.0120.00617.40
8.0.10.0030.00516.89
8.0.00.0100.00916.68
7.4.330.0030.00316.77
7.4.320.0060.00016.43
7.4.300.0000.00616.50
7.4.290.0040.00416.35
7.4.280.0000.00716.53
7.4.270.0070.00016.54
7.4.260.0070.00013.13
7.4.250.0040.00416.35
7.4.240.0040.00416.57
7.4.230.0030.00316.55
7.4.220.0040.01516.55
7.4.210.0050.00916.47
7.4.200.0000.00716.64
7.4.190.0070.00016.70
7.4.160.0070.01016.44
7.4.150.0100.00717.40
7.4.140.0120.00717.86
7.4.130.0140.00316.51
7.4.120.0060.01116.41
7.4.110.0100.00716.49
7.4.100.0110.01116.27
7.4.90.0120.01216.53
7.4.80.0090.00619.39
7.4.70.0060.00916.26
7.4.60.0070.01316.42
7.4.50.0040.00416.29
7.4.40.0120.00622.77
7.4.30.0030.01516.40
7.4.00.0100.00714.83
7.3.330.0000.00513.18
7.3.320.0000.00513.01
7.3.310.0070.00016.19
7.3.300.0060.00316.18
7.3.290.0160.00316.29
7.3.280.0070.01016.22
7.3.270.0110.00617.40
7.3.260.0090.00918.24
7.3.250.0100.00916.32
7.3.240.0110.00516.30
7.3.230.0070.01016.47
7.3.210.0130.00316.46
7.3.200.0080.01119.39
7.3.190.0100.00616.30
7.3.180.0030.01316.13
7.3.170.0100.01016.27
7.3.160.0030.01216.17
7.3.120.0080.00314.96
7.3.10.0120.00316.51
7.3.00.0030.01316.69
7.2.330.0120.00616.58
7.2.320.0160.00616.38
7.2.310.0030.01516.23
7.2.300.0060.01116.21
7.2.290.0130.00316.40
7.2.130.0030.00916.74
7.2.120.0070.00716.56
7.2.110.0060.00616.85
7.2.100.0100.00716.61
7.2.90.0150.00016.77
7.2.80.0070.00316.84
7.2.70.0070.00716.92
7.2.60.0080.00816.56
7.2.50.0080.00416.89
7.2.40.0100.00316.92
7.2.30.0000.01316.74
7.2.20.0150.00016.71
7.2.10.0040.00716.95
7.2.00.0130.00417.88
7.1.250.0030.00915.42
7.1.100.0030.00917.92
7.1.70.0000.00816.91
7.1.60.0100.01419.24
7.1.50.0070.01316.70
7.1.00.0070.03322.36
7.0.200.0000.00716.65
7.0.140.0130.06322.15
7.0.100.0200.05319.97
7.0.90.0100.08019.98
7.0.80.0070.06719.93
7.0.70.0200.07319.85
7.0.60.0030.08719.92
7.0.50.0230.05320.34
7.0.40.0000.06020.07
7.0.30.0070.05320.14
7.0.20.0030.05320.06
7.0.10.0130.07320.17
7.0.00.0000.08320.07
5.6.280.0030.07320.91
5.6.250.0030.05020.62
5.6.240.0070.04020.75
5.6.230.0100.05320.62
5.6.220.0070.08020.55
5.6.210.0100.06020.73
5.6.200.0030.08021.02
5.6.190.0100.06021.10
5.6.180.0030.04721.00
5.6.170.0030.08321.17
5.6.160.0100.08320.95
5.6.150.0030.08021.07
5.6.140.0030.07721.01
5.6.130.0130.07721.09
5.6.120.0100.07721.01
5.6.110.0070.05721.00
5.6.100.0070.06721.05
5.6.90.0000.07321.01
5.6.80.0070.04320.40
5.6.70.0100.07720.38
5.6.60.0070.05320.45
5.6.50.0130.04320.43
5.6.40.0100.07720.52
5.6.30.0000.04320.40
5.6.20.0070.06720.34
5.6.10.0100.06320.43
5.6.00.0100.05020.35
5.5.380.0170.07020.41
5.5.370.0100.08020.45
5.5.360.0100.08020.39
5.5.350.0170.07320.45
5.5.340.0000.09020.77
5.5.330.0170.07020.84
5.5.320.0030.08720.89
5.5.310.0130.07720.86
5.5.300.0030.08320.87
5.5.290.0070.08020.88
5.5.280.0030.06720.68
5.5.270.0100.05020.81
5.5.260.0100.06020.85
5.5.250.0130.07320.54
5.5.240.0070.08020.14
5.5.230.0130.04320.15
5.5.220.0030.08720.25
5.5.210.0170.04720.12
5.5.200.0100.03320.25
5.5.190.0030.04720.26
5.5.180.0070.04720.21
5.5.160.0070.04720.14
5.5.150.0170.07020.20
5.5.140.0070.08020.07
5.5.130.0100.08020.27
5.5.120.0130.06320.25
5.5.110.0070.05320.07
5.5.100.0030.06720.07
5.5.90.0100.07019.96
5.5.80.0200.05720.16
5.5.70.0030.08020.08
5.5.60.0030.08019.89
5.5.50.0070.06320.02
5.5.40.0000.08320.00
5.5.30.0130.07320.02
5.5.20.0130.04319.94
5.5.10.0130.07320.02
5.5.00.0030.06719.96
5.4.450.0070.08319.45
5.4.440.0100.04319.43
5.4.430.0100.06019.13
5.4.420.0100.07719.46
5.4.410.0100.07319.23
5.4.400.0130.06319.06
5.4.390.0000.07319.10
5.4.380.0130.05318.82
5.4.370.0030.04319.14
5.4.360.0030.04719.14
5.4.350.0000.07319.08
5.4.340.0100.07318.95
5.4.320.0130.07018.79
5.4.310.0130.07018.90
5.4.300.0130.06719.14
5.4.290.0070.07318.94
5.4.280.0000.07318.96
5.4.270.0130.03018.96
5.4.260.0000.04318.96
5.4.250.0000.04719.02
5.4.240.0130.06719.11
5.4.230.0070.07019.11
5.4.220.0030.05018.80
5.4.210.0070.04318.83
5.4.200.0000.05018.89
5.4.190.0030.04719.07
5.4.180.0130.06719.11
5.4.170.0100.03319.00
5.4.160.0100.07319.13
5.4.150.0130.07318.99
5.4.140.0100.07316.36
5.4.130.0000.07016.26
5.4.120.0100.03716.27
5.4.110.0070.06716.38
5.4.100.0070.04016.31
5.4.90.0100.06316.21
5.4.80.0100.04316.32
5.4.70.0070.06316.37
5.4.60.0070.06716.37
5.4.50.0070.06016.36
5.4.40.0070.06716.38
5.4.30.0030.04316.18
5.4.20.0130.06316.18
5.4.10.0000.04716.42
5.4.00.0000.07715.74
5.3.290.0070.06714.65
5.3.280.0100.07014.43
5.3.270.0030.04714.59
5.3.260.0070.07314.54
5.3.250.0100.05014.54
5.3.240.0070.06714.42
5.3.230.0100.05714.57
5.3.220.0000.07714.42
5.3.210.0130.06314.43
5.3.200.0030.05014.52
5.3.190.0030.05714.57
5.3.180.0170.04014.42
5.3.170.0030.03714.55
5.3.160.0070.04314.39
5.3.150.0070.07314.50
5.3.140.0070.06014.51
5.3.130.0000.04314.36
5.3.120.0170.07014.39
5.3.110.0070.04714.41
5.3.100.0030.04713.90
5.3.90.0030.03714.02
5.3.80.0030.08014.02
5.3.70.0070.07313.98
5.3.60.0000.06013.99
5.3.50.0070.03013.89
5.3.40.0030.05313.89
5.3.30.0070.05013.66
5.3.20.0070.07713.68
5.3.10.0070.03013.56
5.3.00.0030.06313.59
5.2.170.0030.06312.14
5.2.160.0030.05012.14
5.2.150.0030.03312.14
5.2.140.0000.03012.14
5.2.130.0030.05712.14
5.2.120.0030.06012.14
5.2.110.0030.02712.14
5.2.100.0030.04012.14
5.2.90.0100.05312.14
5.2.80.0070.05012.14
5.2.70.0000.06012.14
5.2.60.0070.06012.14
5.2.50.0070.05312.14
5.2.40.0030.03312.14
5.2.30.0030.02712.14
5.2.20.0030.05712.14
5.2.10.0070.06012.14
5.2.00.0070.05712.14
5.1.60.0100.04712.14
5.1.50.0000.05712.14
5.1.40.0030.02712.14
5.1.30.0070.05312.14
5.1.20.0100.04312.14
5.1.10.0130.04712.14
5.1.00.0070.04712.14
5.0.50.0000.05012.14
5.0.40.0030.04312.14
5.0.30.0000.03312.14
5.0.20.0000.02712.14
5.0.10.0130.03012.14
5.0.00.0030.06012.14
4.4.90.0000.03012.14
4.4.80.0070.01312.14
4.4.70.0030.01712.14
4.4.60.0030.03012.14
4.4.50.0030.02712.14
4.4.40.0000.05012.14
4.4.30.0030.03312.14
4.4.20.0000.02312.14
4.4.10.0070.03012.14
4.4.00.0000.05012.14
4.3.110.0030.01312.14
4.3.100.0030.01312.14
4.3.90.0070.03012.14
4.3.80.0000.04712.14
4.3.70.0030.03312.14
4.3.60.0000.03712.14
4.3.50.0100.01312.14
4.3.40.0000.02312.14
4.3.30.0000.03712.14
4.3.20.0000.02712.14
4.3.10.0030.02012.14
4.3.00.0000.02712.14

preferences:
42.34 ms | 401 KiB | 5 Q