3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['key1' => [1,2,3,4,5,6], 'key2' => [1,2,3,4,5,6] ]; foreach ($arr as $key) { // I want to isset on key1 or key2 }

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)
8.3.60.0070.01518.18
8.3.50.0070.00718.18
8.3.40.0040.01118.59
8.3.30.0120.00318.46
8.3.20.0040.00418.81
8.3.10.0080.00021.83
8.3.00.0080.00017.68
8.2.180.0060.01225.92
8.2.170.0150.00319.09
8.2.160.0140.00022.96
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0050.00319.76
8.2.120.0050.00226.35
8.2.110.0060.00321.11
8.2.100.0050.00517.78
8.2.90.0040.00418.00
8.2.80.0080.00018.09
8.2.70.0030.00517.50
8.2.60.0080.00018.04
8.2.50.0080.00018.10
8.2.40.0050.00319.23
8.2.30.0050.00219.30
8.2.20.0030.00617.86
8.2.10.0030.00518.11
8.2.00.0040.00419.48
8.1.280.0110.00425.92
8.1.270.0000.00722.13
8.1.260.0040.00426.35
8.1.250.0100.00028.09
8.1.240.0060.00322.46
8.1.230.0080.00421.03
8.1.220.0060.00317.74
8.1.210.0080.00020.49
8.1.200.0000.00817.35
8.1.190.0030.00517.23
8.1.180.0050.00318.10
8.1.170.0050.00218.59
8.1.160.0000.00718.86
8.1.150.0000.00718.86
8.1.140.0000.00717.68
8.1.130.0030.00318.87
8.1.120.0030.00317.34
8.1.110.0040.00417.33
8.1.100.0040.00417.36
8.1.90.0040.00417.40
8.1.80.0040.00417.41
8.1.70.0070.00317.40
8.1.60.0100.00017.48
8.1.50.0000.00717.43
8.1.40.0060.00317.39
8.1.30.0030.00517.50
8.1.20.0040.00417.48
8.1.10.0000.00817.35
8.1.00.0050.00317.25
8.0.300.0000.00919.93
8.0.290.0050.00216.75
8.0.280.0030.00318.35
8.0.270.0030.00317.12
8.0.260.0000.00617.25
8.0.250.0040.00416.94
8.0.240.0050.00216.95
8.0.230.0030.00616.91
8.0.220.0030.00316.83
8.0.210.0030.00316.87
8.0.200.0030.00316.89
8.0.190.0070.00016.77
8.0.180.0050.00216.90
8.0.170.0040.00416.86
8.0.160.0090.00016.88
8.0.150.0060.00316.77
8.0.140.0070.00016.82
8.0.130.0000.00813.28
8.0.120.0050.00316.86
8.0.110.0070.00016.87
8.0.100.0000.00716.79
8.0.90.0040.00416.99
8.0.80.0140.00716.87
8.0.70.0030.00516.90
8.0.60.0000.00716.88
8.0.50.0000.00716.75
8.0.30.0110.00617.06
8.0.20.0020.01617.40
8.0.10.0040.00417.07
8.0.00.0080.01116.75
7.4.330.0020.00215.55
7.4.320.0060.00016.51
7.4.300.0000.00616.43
7.4.290.0030.00316.57
7.4.280.0050.00316.48
7.4.270.0040.00416.49
7.4.260.0050.00216.52
7.4.250.0080.00016.54
7.4.240.0030.00316.54
7.4.230.0000.00716.56
7.4.220.0040.00416.40
7.4.210.0080.00816.57
7.4.200.0000.00716.68
7.4.160.0110.00416.45
7.4.140.0110.00717.86
7.4.130.0130.00316.39
7.4.120.0090.00816.44
7.4.110.0070.01016.43
7.4.100.0130.01016.47
7.4.90.0060.01216.44
7.4.80.0180.01019.39
7.4.70.0100.00616.36
7.4.60.0110.00716.17
7.4.50.0080.00316.49
7.4.40.0090.01316.66
7.4.00.0070.00714.87
7.3.330.0000.00513.00
7.3.320.0030.00313.19
7.3.310.0030.00616.22
7.3.300.0030.00316.20
7.3.290.0000.00716.25
7.3.280.0050.00916.24
7.3.260.0130.00816.42
7.3.240.0120.00516.51
7.3.230.0150.00316.36
7.3.210.0130.01016.49
7.3.200.0100.00716.59
7.3.190.0030.01216.64
7.3.180.0080.00816.27
7.3.170.0080.00816.45
7.3.160.0060.00916.37
7.2.330.0100.00716.71
7.2.320.0130.00316.50
7.2.310.0090.01016.64
7.2.300.0100.00716.60
7.2.290.0090.00916.54
7.2.60.0090.00016.89
7.2.40.1130.00917.79
7.2.30.1530.01417.96
7.2.20.1280.01017.56
7.2.10.1150.01117.89
7.2.00.1320.00717.88
7.1.200.0060.00915.57
7.1.160.1130.00916.80
7.1.150.1170.00816.82
7.1.140.1270.00716.78
7.1.130.1280.00816.87
7.1.120.1210.01016.88
7.1.110.1200.00716.33
7.1.100.1170.01016.34
7.1.90.1240.00815.95
7.1.80.1370.00816.13
7.1.70.1340.01215.38
7.1.60.1380.01332.99
7.1.50.1820.01232.84
7.1.40.1490.01032.44
7.1.30.1410.01132.49
7.1.20.1590.01232.66
7.1.10.1360.00814.70
7.1.00.1440.01014.68

preferences:
52.76 ms | 400 KiB | 5 Q