3v4l.org

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

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)
8.3.40.0100.00718.84
8.3.30.0150.00018.83
8.3.20.0040.00418.65
8.3.10.0040.00420.79
8.3.00.0040.00419.69
8.2.170.0070.00722.96
8.2.160.0070.00720.44
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0000.00721.00
8.2.110.0090.00020.38
8.2.100.0060.00617.66
8.2.90.0000.00719.09
8.2.80.0050.00217.97
8.2.70.0000.00817.63
8.2.60.0040.00417.77
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0000.00819.43
8.2.20.0070.00017.77
8.2.10.0040.00417.65
8.2.00.0040.00417.72
8.1.270.0070.00023.99
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00021.99
8.1.230.0040.00720.98
8.1.220.0060.00318.77
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0000.00717.51
8.1.180.0040.00418.10
8.1.170.0000.00818.52
8.1.160.0040.00418.86
8.1.150.0030.00518.63
8.1.140.0040.00417.37
8.1.130.0030.00317.83
8.1.120.0040.00417.44
8.1.110.0000.00717.26
8.1.100.0040.00417.30
8.1.90.0000.00717.43
8.1.80.0070.00017.36
8.1.70.0040.00417.38
8.1.60.0040.00417.54
8.1.50.0000.00917.50
8.1.40.0000.00717.54
8.1.30.0050.00217.61
8.1.20.0050.00317.66
8.1.10.0000.00717.47
8.1.00.0040.00417.34
8.0.300.0000.00719.98
8.0.290.0000.00817.05
8.0.280.0080.00018.37
8.0.270.0030.00317.19
8.0.260.0030.00316.70
8.0.250.0000.00716.98
8.0.240.0000.00716.96
8.0.230.0030.00316.94
8.0.220.0070.00016.85
8.0.210.0030.00516.77
8.0.200.0000.00716.79
8.0.190.0060.00316.93
8.0.180.0070.00016.87
8.0.170.0020.00516.91
8.0.160.0050.00216.85
8.0.150.0000.00716.79
8.0.140.0060.00316.86
8.0.130.0000.00613.27
8.0.120.0000.00816.73
8.0.110.0030.00616.93
8.0.100.0040.00416.69
8.0.90.0050.00316.91
8.0.80.0100.01116.81
8.0.70.0030.00616.90
8.0.60.0040.00416.68
8.0.50.0000.00716.95
8.0.30.0090.00917.33
8.0.20.0130.00617.40
8.0.10.0040.00416.84
8.0.00.0100.00816.80
7.4.330.0000.00516.77
7.4.320.0030.00316.32
7.4.300.0000.00616.35
7.4.290.0050.00316.29
7.4.280.0000.00716.36
7.4.270.0070.00016.50
7.4.260.0050.00013.18
7.4.250.0040.00416.48
7.4.240.0040.00416.46
7.4.230.0070.00016.42
7.4.220.0070.01016.28
7.4.210.0070.00916.46
7.4.200.0000.00716.55
7.4.190.0000.00716.48
7.4.160.0130.01016.45
7.4.150.0120.00617.40
7.4.140.0110.00917.86
7.4.130.0100.00816.43
7.4.120.0080.00816.38
7.4.110.0110.01116.23
7.4.100.0100.01016.30
7.4.90.0120.00916.55
7.4.80.0060.00919.39
7.4.70.0100.00616.53
7.4.60.0100.00616.39
7.4.50.0030.00516.30
7.4.40.0100.00322.77
7.4.30.0110.01116.55
7.4.00.0060.00914.74
7.3.330.0000.00513.21
7.3.320.0030.00313.02
7.3.310.0000.00816.29
7.3.300.0000.00716.29
7.3.290.0130.00716.33
7.3.280.0040.01116.30
7.3.270.0150.00617.40
7.3.260.0110.01218.24
7.3.250.0080.00916.32
7.3.240.0100.01416.21
7.3.230.0170.00716.39
7.3.210.0100.00716.51
7.3.200.0140.00919.39
7.3.190.0150.00416.19
7.3.180.0070.00716.22
7.3.170.0080.00816.41
7.3.160.0110.00616.45
7.3.120.0030.01414.84
7.3.10.0070.00716.61
7.3.00.0040.00816.54
7.2.330.0040.01416.73
7.2.320.0090.00916.67
7.2.310.0100.01016.61
7.2.300.0160.00016.52
7.2.290.0070.01416.65
7.2.130.0000.01116.57
7.2.120.0030.00916.75
7.2.110.0000.00916.94
7.2.100.0060.00616.78
7.2.90.0000.01316.43
7.2.80.0040.00416.86
7.2.70.0000.01116.95
7.2.60.0040.00916.88
7.2.50.0060.00916.64
7.2.40.0070.00716.80
7.2.30.0000.01017.04
7.2.20.0080.00416.68
7.2.10.0040.00816.89
7.2.00.0000.01217.98
7.1.250.0030.00615.55
7.1.200.0100.00315.82
7.1.70.0110.00317.09
7.1.60.0190.00016.98
7.1.50.0110.00416.97
7.1.40.0060.00616.97
7.1.30.0200.00716.97
7.1.20.0150.00016.97
7.1.10.0100.01016.97
7.1.00.0060.01216.97
7.0.200.0070.00716.97
7.0.190.0000.00716.97
7.0.180.0000.01116.97
7.0.170.0130.00316.97
7.0.160.0080.00416.97
7.0.150.0100.00616.97
7.0.140.0130.00616.97
7.0.130.0110.00616.97
7.0.120.0110.00516.97
7.0.110.0110.00816.97
7.0.100.0030.01016.97
7.0.90.0050.00916.97
7.0.80.0050.01016.97
7.0.70.0040.00716.97
7.0.60.0000.01216.97
7.0.50.0040.00916.97
7.0.40.0040.00916.97
7.0.30.0080.00516.97
7.0.20.0030.00816.97
7.0.10.0050.00516.97
7.0.00.0110.00016.97
5.6.300.0110.04720.86
5.6.290.0070.04420.65
5.6.280.0070.03920.86
5.6.270.0040.04621.00
5.6.260.0120.04020.95
5.6.250.0000.04921.02
5.6.240.0000.05320.88
5.6.230.0140.04521.02
5.6.220.0000.07320.95
5.6.210.0160.06420.93
5.6.200.0040.04221.01
5.6.190.0030.05520.80
5.6.180.0070.03920.83
5.6.170.0150.03920.90
5.6.160.0030.04920.80
5.6.150.0070.04021.01
5.6.140.0070.05320.97
5.6.130.0130.03420.84
5.6.120.0000.05420.85
5.6.110.0040.04420.96
5.6.100.0170.06621.02
5.6.90.0120.03920.76
5.6.80.0000.05620.09
5.6.70.0030.06720.18
5.6.60.0070.06320.18
5.6.50.0060.04820.36
5.6.40.0060.04220.17
5.6.30.0040.04220.18
5.6.20.0100.04520.26
5.6.10.0070.04120.15
5.6.00.0070.06620.36
5.5.380.0040.04317.54
5.5.370.0090.03517.46
5.5.360.0030.06617.44
5.5.350.0070.07717.45
5.5.340.0030.04118.00
5.5.330.0030.04518.09
5.5.320.0030.07817.93
5.5.310.0030.05417.93
5.5.300.0070.04618.02
5.5.290.0000.04917.86
5.5.280.0040.04218.00
5.5.270.0130.02918.05
5.5.260.0070.03618.03
5.5.250.0070.04517.81
5.5.240.0070.03617.29
5.5.230.0000.04717.32
5.5.220.0030.04317.38
5.5.210.0070.08317.30
5.5.200.0030.04017.36
5.5.190.0100.07117.05
5.5.180.0000.05117.34
5.5.160.0140.04517.39
5.5.150.0160.04917.09
5.5.140.0030.06217.34
5.5.130.0100.04917.27
5.5.120.0070.03317.18
5.5.110.0170.04417.28
5.5.100.0070.04317.34
5.5.90.0070.04917.19
5.5.80.0030.03817.31
5.5.70.0000.05417.27
5.5.60.0030.06417.28
5.5.50.0070.03616.97
5.5.40.0060.03817.27
5.5.30.0030.03517.10
5.5.20.0070.03417.07
5.5.10.0030.05317.21
5.5.00.0070.04017.26
5.4.450.0060.04419.34
5.4.440.0000.05519.36
5.4.430.0030.03719.38
5.4.420.0000.04219.30
5.4.410.0030.04119.20
5.4.400.0070.04018.83
5.4.390.0060.03618.88
5.4.380.0030.04019.14
5.4.370.0060.05219.00
5.4.360.0030.03719.16
5.4.350.0060.08419.00
5.4.340.0160.02919.07
5.4.320.0030.04319.05
5.4.310.0030.04318.82
5.4.300.0030.04419.13
5.4.290.0030.03819.06
5.4.280.0030.03818.91
5.4.270.0040.03618.95
5.4.260.0200.02719.05
5.4.250.0000.04018.85
5.4.240.0030.03718.99
5.4.230.0000.06919.13
5.4.220.0030.03818.98
5.4.210.0030.03718.87
5.4.200.0000.04019.04
5.4.190.0060.06118.90
5.4.180.0130.06118.95
5.4.170.0100.03918.96
5.4.160.0030.05419.12
5.4.150.0030.03918.89
5.4.140.0070.03416.97
5.4.130.0070.06016.97
5.4.120.0070.03916.97
5.4.110.0030.03716.97
5.4.100.0030.04916.97
5.4.90.0000.04316.97
5.4.80.0070.05516.97
5.4.70.0030.04516.97
5.4.60.0030.03916.97
5.4.50.0030.04216.97
5.4.40.0000.03916.97
5.4.30.0100.03516.97
5.4.20.0030.04516.97
5.4.10.0100.04016.97
5.4.00.0000.04016.97
5.3.290.0070.08316.97
5.3.280.0000.04416.97
5.3.270.0100.03216.97
5.3.260.0030.04616.97
5.3.250.0040.03516.97
5.3.240.0030.03416.97
5.3.230.0030.03416.97
5.3.220.0000.04016.97
5.3.210.0030.05216.97
5.3.200.0000.07916.97
5.3.190.0030.05816.97
5.3.180.0030.04016.97
5.3.170.0070.03916.97
5.3.160.0000.04116.97
5.3.150.0030.03916.97
5.3.140.0030.05016.97
5.3.130.0030.04916.97
5.3.120.0030.03916.97
5.3.110.0030.03816.97
5.3.100.0030.04516.97
5.3.90.0070.03716.97
5.3.80.0070.03616.97
5.3.70.0130.04116.97
5.3.60.0030.04616.97
5.3.50.0030.05816.97
5.3.40.0000.03916.97
5.3.30.0030.06516.97
5.3.20.0070.03916.97
5.3.10.0060.04216.97
5.3.00.0000.05216.97
5.2.170.0030.03016.97
5.2.160.0070.04716.97
5.2.150.0060.06116.97
5.2.140.0090.03816.97
5.2.130.0070.03516.97
5.2.120.0000.04116.97
5.2.110.0270.02416.97
5.2.100.0000.03416.97
5.2.90.0000.03116.97
5.2.80.0000.03116.97
5.2.70.0000.04416.97
5.2.60.0000.05616.97
5.2.50.0070.03016.97
5.2.40.0000.03716.97
5.2.30.0030.03016.97
5.2.20.0140.03416.97
5.2.10.0030.04116.97
5.2.00.0070.06616.97
5.1.60.0000.02616.97
5.1.50.0000.03616.97
5.1.40.0060.01916.97
5.1.30.0030.02416.97
5.1.20.0030.02616.97
5.1.10.0030.05116.97
5.1.00.0030.06016.97
5.0.50.0000.02416.97
5.0.40.0000.02216.97
5.0.30.0030.03616.97
5.0.20.0000.02116.97
5.0.10.0000.02116.97
5.0.00.0000.03216.97
4.4.90.0030.01916.97
4.4.80.0040.01416.97
4.4.70.0030.01316.97
4.4.60.0000.01816.97
4.4.50.0030.01316.97
4.4.40.0000.02816.97
4.4.30.0030.01316.97
4.4.20.0100.01716.97
4.4.10.0040.01416.97
4.4.00.0000.03116.97
4.3.110.0000.01616.97
4.3.100.0030.01316.97
4.3.90.0000.03116.97
4.3.80.0000.03316.97
4.3.70.0030.01316.97
4.3.60.0000.01716.97
4.3.50.0030.01316.97
4.3.40.0040.02116.97
4.3.30.0000.01716.97
4.3.20.0000.02016.97
4.3.10.0000.02016.97
4.3.00.0030.01416.97

preferences:
39.87 ms | 400 KiB | 5 Q