3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL | E_STRICT); $array = []; var_dump(isset($array['hello']));

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)
8.3.60.0030.01318.18
8.3.50.0090.01120.96
8.3.40.0060.01018.47
8.3.30.0140.00018.54
8.3.20.0040.00418.81
8.3.10.0000.00820.19
8.3.00.0040.00420.78
8.2.180.0110.00418.29
8.2.170.0040.01122.96
8.2.160.0110.00419.27
8.2.150.0020.00524.18
8.2.140.0090.00024.66
8.2.130.0040.00419.14
8.2.120.0040.00426.35
8.2.110.0100.00019.24
8.2.100.0040.00819.45
8.2.90.0040.00419.05
8.2.80.0030.00618.03
8.2.70.0100.00017.63
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0040.00418.03
8.2.30.0090.00018.12
8.2.20.0030.00717.66
8.2.10.0040.00418.05
8.2.00.0000.00817.98
8.1.280.0130.00725.92
8.1.270.0070.00023.88
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0030.00619.21
8.1.230.0080.00322.25
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0090.00017.13
8.1.190.0030.00617.23
8.1.180.0060.00318.10
8.1.170.0040.00418.58
8.1.160.0040.00418.70
8.1.150.0020.00518.82
8.1.140.0000.00819.55
8.1.130.0040.00417.37
8.1.120.0000.00717.45
8.1.110.0040.00417.32
8.1.100.0030.00517.29
8.1.90.0040.00417.32
8.1.80.0050.00517.30
8.1.70.0030.00317.40
8.1.60.0000.00817.50
8.1.50.0040.00417.46
8.1.40.0030.00617.41
8.1.30.0030.00617.55
8.1.20.0000.00817.50
8.1.10.0040.00417.22
8.1.00.0040.00417.42
8.0.300.0040.00418.77
8.0.290.0130.00016.63
8.0.280.0000.00718.32
8.0.270.0030.00317.19
8.0.260.0070.00016.75
8.0.250.0000.00816.77
8.0.240.0030.00316.96
8.0.230.0000.00716.92
8.0.220.0040.00416.73
8.0.210.0030.00316.83
8.0.200.0070.00016.75
8.0.190.0040.00416.75
8.0.180.0070.00016.84
8.0.170.0000.00816.92
8.0.160.0070.00016.84
8.0.150.0000.00716.73
8.0.140.0000.00716.70
8.0.130.0030.00313.25
8.0.120.0040.00416.80
8.0.110.0070.00016.67
8.0.100.0040.00416.86
8.0.90.0030.00616.80
8.0.80.0070.01016.85
8.0.70.0040.00416.83
8.0.60.0040.00416.63
8.0.50.0040.00416.94
8.0.30.0070.01116.99
8.0.20.0120.00717.40
8.0.10.0000.00716.82
8.0.00.0110.01116.63
7.4.330.0000.00615.08
7.4.320.0030.00316.44
7.4.300.0000.00716.52
7.4.290.0000.01016.49
7.4.280.0050.00316.52
7.4.270.0070.00016.34
7.4.260.0030.00316.49
7.4.250.0070.00016.39
7.4.240.0000.00716.45
7.4.230.0030.00316.63
7.4.220.0190.00416.47
7.4.210.0060.01316.61
7.4.200.0000.00716.54
7.4.160.0120.00316.39
7.4.150.0030.01517.40
7.4.140.0090.01117.86
7.4.130.0090.01016.39
7.4.120.0150.01016.49
7.4.110.0110.00616.52
7.4.100.0150.00316.48
7.4.90.0140.00416.52
7.4.80.0100.01019.39
7.4.70.0140.00316.59
7.4.60.0110.00616.45
7.4.50.0110.00416.48
7.4.40.0070.01016.33
7.4.30.0060.00916.24
7.4.00.0030.01414.93
7.3.330.0060.00013.02
7.3.320.0050.00012.96
7.3.310.0080.00016.29
7.3.300.0030.00316.16
7.3.290.0080.00916.21
7.3.280.0110.00716.20
7.3.270.0030.01417.40
7.3.260.0140.00616.42
7.3.250.0100.00716.23
7.3.240.0130.00316.15
7.3.230.0090.00916.39
7.3.210.0090.00616.41
7.3.200.0100.00716.46
7.3.190.0000.01516.25
7.3.180.0100.00616.13
7.3.170.0100.01016.19
7.3.160.0100.00716.34
7.3.120.0110.00414.95
7.3.110.0000.01214.59
7.3.100.0080.00814.71
7.3.90.0030.01014.54
7.3.80.0110.00415.03
7.3.70.0000.01214.51
7.3.60.0040.01114.39
7.3.50.0000.01014.84
7.3.40.0120.00614.79
7.3.30.0100.00014.84
7.3.20.0030.00916.48
7.3.10.0000.01316.60
7.3.00.0100.00316.79
7.2.330.0130.00616.33
7.2.320.0120.01216.53
7.2.310.0150.00916.39
7.2.300.0060.01216.65
7.2.290.0130.00616.21
7.2.240.0030.00915.00
7.2.230.0030.00915.13
7.2.220.0070.00414.88
7.2.210.0060.01114.81
7.2.200.0060.00914.65
7.2.190.0090.00614.84
7.2.180.0060.00915.05
7.2.170.0070.00715.03
7.2.160.0040.01114.77
7.2.150.0110.00416.77
7.2.140.0130.00316.71
7.2.130.0030.00916.71
7.2.120.0100.00616.50
7.2.110.0100.00616.62
7.2.100.0030.01216.64
7.2.90.0100.00316.80
7.2.80.0100.00616.75
7.2.70.0100.00716.90
7.2.60.0070.01016.79
7.2.50.0080.00416.67
7.2.40.0000.01616.71
7.2.30.0070.00716.56
7.2.20.0000.01716.80
7.2.10.0030.01216.88
7.2.00.0050.00618.03
7.1.330.0030.00915.66
7.1.320.0060.00915.74
7.1.310.0040.01115.33
7.1.300.0060.00615.33
7.1.290.0120.00315.46
7.1.280.0030.01015.66
7.1.270.0090.00615.60
7.1.260.0100.00315.54
7.1.250.0040.01115.60
7.1.100.0090.00617.78
7.1.70.0040.00717.04
7.1.60.0090.01519.13
7.1.00.0030.07322.33
7.0.200.0140.00614.70
7.0.60.4730.04320.00
7.0.50.0270.05320.34
7.0.40.0230.07320.38
7.0.30.0130.06320.36
7.0.20.0230.05320.32
7.0.10.0300.04320.32
7.0.00.0400.05720.40
5.6.280.0030.07320.88
5.6.210.0130.06720.50
5.6.200.0070.03718.05
5.6.190.0230.05321.11
5.6.180.0100.06321.15
5.6.170.0070.06721.14
5.6.160.0330.06721.13
5.6.150.0300.05321.07
5.6.140.0330.05721.04
5.6.130.0370.06321.15
5.6.120.0130.06721.08
5.6.110.0170.06721.08
5.6.100.0230.05321.16
5.6.90.0270.05021.07
5.6.80.0200.07320.46
5.6.70.0130.06320.55
5.6.60.0130.05020.55
5.6.50.0070.06320.32
5.6.40.0130.06720.44
5.6.30.0170.05320.48
5.6.20.0200.06320.47
5.6.10.0100.07020.39
5.6.00.0170.06020.47
5.5.350.0370.06720.49
5.5.340.0070.08017.91
5.5.330.0170.05320.87
5.5.320.0170.05720.88
5.5.310.0130.06320.84
5.5.300.0530.04720.87
5.5.290.0330.06720.83
5.5.280.0230.05720.84
5.5.270.0230.07020.77
5.5.260.0400.06020.99
5.5.250.0100.06320.49
5.5.240.0230.05020.25
5.5.230.0270.05020.21
5.5.220.0200.05320.27
5.5.210.0230.05020.24
5.5.200.0270.06720.04
5.5.190.0200.06020.13
5.5.180.0200.05320.25
5.5.160.0130.05720.21
5.5.150.0200.05020.18
5.5.140.0300.04320.25
5.5.130.0070.06720.37
5.5.120.0200.05320.32
5.5.110.0170.05720.29
5.5.100.0130.06020.14
5.5.90.0170.05320.10
5.5.80.0270.04720.26
5.5.70.0270.05020.15
5.5.60.0230.05020.16
5.5.50.0330.03720.10
5.5.40.0130.05320.13
5.5.30.0300.04020.09
5.5.20.0200.05320.12
5.5.10.0100.06720.02
5.5.00.0200.05019.98

preferences:
64.21 ms | 401 KiB | 5 Q