3v4l.org

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

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)
8.3.60.0140.00416.50
8.3.50.0080.00616.50
8.3.40.0040.01118.40
8.3.30.0060.00918.63
8.3.20.0080.00020.16
8.3.10.0000.00821.88
8.3.00.0040.00419.26
8.2.180.0110.00416.63
8.2.170.0060.00922.96
8.2.160.0100.00320.39
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00421.04
8.2.120.0000.00826.35
8.2.110.0060.00320.93
8.2.100.0070.00418.16
8.2.90.0000.00818.16
8.2.80.0090.00017.97
8.2.70.0040.00417.80
8.2.60.0000.00817.93
8.2.50.0060.00318.10
8.2.40.0040.00420.42
8.2.30.0060.00321.09
8.2.20.0040.00418.09
8.2.10.0050.00217.91
8.2.00.0040.00417.84
8.1.280.0140.00725.92
8.1.270.0080.00022.20
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.84
8.1.230.0080.00322.75
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0000.00817.23
8.1.190.0080.00017.22
8.1.180.0040.00418.10
8.1.170.0040.00419.02
8.1.160.0000.00719.07
8.1.150.0080.00020.66
8.1.140.0060.00619.54
8.1.130.0030.00318.87
8.1.120.0030.00617.39
8.1.110.0030.00617.25
8.1.100.0040.00417.34
8.1.90.0050.00317.29
8.1.80.0070.00017.42
8.1.70.0030.00317.27
8.1.60.0060.00317.41
8.1.50.0070.00017.50
8.1.40.0040.00417.45
8.1.30.0030.00617.41
8.1.20.0000.00717.47
8.1.10.0000.00717.48
8.1.00.0040.00417.46
8.0.300.0000.00719.49
8.0.290.0080.00016.63
8.0.280.0000.00818.37
8.0.270.0070.00017.09
8.0.260.0060.00016.71
8.0.250.0000.00716.75
8.0.240.0070.00016.89
8.0.230.0000.00716.89
8.0.220.0000.00716.73
8.0.210.0030.00316.86
8.0.200.0060.00016.77
8.0.190.0070.00016.84
8.0.180.0030.00516.70
8.0.170.0070.00016.82
8.0.160.0080.00016.89
8.0.150.0080.00016.80
8.0.140.0040.00416.77
8.0.130.0000.00513.16
8.0.120.0070.00016.80
8.0.110.0000.00716.65
8.0.100.0070.00016.66
8.0.90.0040.00416.64
8.0.80.0180.00616.87
8.0.70.0050.00316.79
8.0.60.0000.00716.89
8.0.50.0000.00816.69
8.0.30.0100.00917.09
8.0.20.0090.00817.40
8.0.10.0210.00416.71
8.0.00.0140.00316.49
7.4.330.0050.00418.20
7.4.320.0000.00616.38
7.4.300.0000.00616.57
7.4.290.0000.00816.53
7.4.280.0000.00716.37
7.4.270.0070.00016.34
7.4.260.0000.00716.46
7.4.250.0020.00516.54
7.4.240.0000.00716.52
7.4.230.0070.00016.53
7.4.220.0110.00716.37
7.4.210.0090.01216.50
7.4.200.0050.00216.34
7.4.160.0100.00516.46
7.4.150.0070.01117.40
7.4.140.0120.00817.86
7.4.130.0180.00616.36
7.4.120.0090.01016.41
7.4.110.0090.00916.39
7.4.100.0130.00616.43
7.4.90.0060.00916.41
7.4.80.0110.00719.39
7.4.70.0130.00616.48
7.4.60.0070.01016.29
7.4.50.0030.01316.31
7.4.40.0030.01316.53
7.4.30.0140.00716.66
7.4.00.0130.00514.56
7.3.330.0070.00012.92
7.3.320.0050.00013.12
7.3.310.0000.00716.07
7.3.300.0000.00716.18
7.3.290.0080.00616.18
7.3.280.0120.00616.20
7.3.270.0150.00917.40
7.3.260.0110.00616.30
7.3.250.0080.01316.31
7.3.240.0080.01216.39
7.3.230.0100.00716.41
7.3.210.0120.00916.16
7.3.200.0090.00816.30
7.3.190.0090.01216.20
7.3.180.0090.00616.18
7.3.170.0160.00016.23
7.3.160.0060.01016.18
7.3.120.0090.00614.41
7.3.110.0090.00614.67
7.3.100.0080.00814.59
7.3.90.0150.00414.73
7.3.80.0080.01214.77
7.3.70.0100.00614.80
7.3.60.0110.00314.57
7.3.50.0100.00614.52
7.3.40.0090.00714.43
7.3.30.0080.00714.64
7.3.20.0080.00815.54
7.3.10.0080.00815.75
7.3.00.0080.00815.89
7.2.330.0090.01516.35
7.2.320.0090.01016.55
7.2.310.0110.00616.30
7.2.300.0150.00316.37
7.2.290.0110.00716.48
7.2.250.0070.00714.80
7.2.240.0070.01015.09
7.2.230.0060.01014.78
7.2.220.0050.01414.80
7.2.210.0160.00414.76
7.2.200.0060.01214.54
7.2.190.0040.01114.57
7.2.180.0130.00214.87
7.2.170.0090.00714.74
7.2.160.0120.01114.71
7.2.150.0170.00715.83
7.2.140.0170.01015.69
7.2.130.0110.00916.06
7.2.120.0120.00916.01
7.2.110.0070.01216.18
7.2.100.0150.00616.14
7.2.90.0110.00716.19
7.2.80.0050.01016.24
7.2.70.0100.01016.13
7.2.60.0090.00916.23
7.2.50.0100.00716.18
7.2.40.0100.01016.03
7.2.30.0130.00716.19
7.2.20.0180.00816.10
7.2.10.0080.00816.16
7.2.00.0050.01316.96
7.1.330.0070.00713.73
7.1.320.0070.01113.86
7.1.310.0070.00713.84
7.1.300.0060.00813.62
7.1.290.0060.00613.59
7.1.280.0090.00514.60
7.1.270.0080.00614.61
7.1.260.0050.00814.46
7.1.250.0100.01014.91
7.1.240.0100.00814.53
7.1.230.0150.00714.66
7.1.220.0110.00714.48
7.1.210.0090.01114.77
7.1.200.0100.00614.92
7.1.190.0090.01014.53
7.1.180.0050.01614.51
7.1.170.0090.01114.50
7.1.160.0150.00714.57
7.1.150.0150.00614.72
7.1.140.0150.00514.68
7.1.130.0110.00814.63
7.1.120.0120.00514.63
7.1.110.0060.01114.69
7.1.100.0090.00715.88
7.1.90.0060.01314.41
7.1.80.0140.00814.56
7.1.70.0060.01115.61
7.1.60.0260.00921.19
7.1.50.0180.00821.41
7.1.40.0170.00721.06
7.1.30.0130.00821.22
7.1.20.0170.01320.67
7.1.10.0070.01215.24
7.1.00.0110.00715.13
7.0.330.0160.00714.19
7.0.320.0080.00714.38
7.0.310.0080.01314.21
7.0.300.0120.00614.24
7.0.290.0080.00914.19
7.0.280.0150.01114.08
7.0.270.0080.01014.21
7.0.260.0140.00414.36
7.0.250.0090.00714.20
7.0.240.0100.00614.25
7.0.230.0170.00414.25
7.0.220.0140.00314.04
7.0.210.0070.01114.23
7.0.200.0120.00514.90
7.0.190.0100.00914.95
7.0.180.0100.00814.91
7.0.170.0100.00614.84
7.0.160.0170.01014.29
7.0.150.0100.00814.92
7.0.140.0110.00514.83
7.0.130.0160.00914.38
7.0.120.0150.00814.30
7.0.110.0090.00714.78
7.0.100.0100.00614.89
7.0.90.0130.00514.99
7.0.80.0110.00514.95
7.0.70.0140.01014.87
7.0.60.0100.00614.81
7.0.50.0060.01114.87
7.0.40.0100.00815.14
7.0.30.0100.00614.91
7.0.20.0050.01214.96
7.0.10.0070.01014.92
7.0.00.0090.00914.93
5.6.400.0140.00814.18
5.6.390.0160.00914.07
5.6.380.0120.00814.19

preferences:
44.59 ms | 400 KiB | 5 Q