3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1 => 2]; foreach( $a as $k => $k) { echo $k; }

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)
8.5.00.0110.01019.74
8.4.150.0020.00014.05
8.4.140.0160.00617.52
8.4.130.0070.00417.85
8.4.120.0100.00726.04
8.4.110.0120.01022.61
8.4.100.0120.00917.69
8.4.90.0100.01120.35
8.4.80.0120.00819.41
8.4.70.0150.00617.80
8.4.60.0100.01018.60
8.4.50.0050.00420.33
8.4.40.0040.00419.46
8.4.30.0030.00718.68
8.4.20.0040.01517.68
8.4.10.0100.00720.20
8.3.280.0110.00918.32
8.3.270.0110.00816.34
8.3.260.0070.00216.54
8.3.250.0120.00619.04
8.3.240.0100.00917.10
8.3.230.0150.00416.45
8.3.220.0080.00019.05
8.3.210.0090.01119.24
8.3.200.0100.00616.54
8.3.190.0040.00417.12
8.3.180.0100.01018.38
8.3.170.0050.00318.22
8.3.160.0060.01317.35
8.3.150.0100.00017.22
8.3.140.0040.01416.96
8.3.130.0060.00318.62
8.3.120.0160.00019.07
8.3.110.0080.00320.94
8.3.100.0090.00424.06
8.3.90.0110.00426.77
8.3.80.0090.00016.48
8.3.70.0040.01116.75
8.3.60.0140.00416.75
8.3.50.0150.00318.54
8.3.40.0130.00321.93
8.3.30.0030.01019.22
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0050.00226.16
8.2.290.0120.00720.52
8.2.280.0100.01018.60
8.2.270.0140.00417.24
8.2.260.0060.00318.19
8.2.250.0100.00716.70
8.2.240.0030.00617.14
8.2.230.0040.00422.58
8.2.220.0040.01537.54
8.2.210.0040.00426.77
8.2.200.0030.01016.38
8.2.190.0150.00416.58
8.2.180.0060.00925.92
8.2.170.0070.01018.78
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00826.16
8.2.110.0100.00020.98
8.2.100.0070.00417.66
8.2.90.0040.00417.63
8.2.80.0000.00718.73
8.2.70.0060.00317.63
8.2.60.0040.00417.63
8.2.50.0040.00417.98
8.2.40.0050.00319.95
8.2.30.0040.00418.02
8.2.20.0040.00420.43
8.2.10.0000.00718.09
8.2.00.0070.00319.29
8.1.330.0140.00421.79
8.1.320.0110.00716.31
8.1.310.0080.00018.32
8.1.300.0150.00417.87
8.1.290.0030.00630.84
8.1.280.0120.00925.92
8.1.270.0000.00723.99
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0070.00321.13
8.1.230.0080.00322.15
8.1.220.0040.00418.61
8.1.210.0000.00818.77
8.1.200.0000.00817.35
8.1.190.0090.00017.00
8.1.180.0050.00318.10
8.1.170.0060.00317.62
8.1.160.0070.00018.80
8.1.150.0040.00418.53
8.1.140.0050.00217.35
8.1.130.0030.00318.79
8.1.120.0070.00017.32
8.1.110.0000.01017.43
8.1.100.0070.00017.33
8.1.90.0050.00317.33
8.1.80.0000.00717.36
8.1.70.0040.00717.41
8.1.60.0000.01017.57
8.1.50.0050.00317.57
8.1.40.0060.00317.50
8.1.30.0070.00317.47
8.1.20.0030.00717.61
8.1.10.0000.01117.48
8.1.00.0030.00717.40
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.42
8.0.270.0070.00016.81
8.0.260.0030.00318.35
8.0.250.0040.00416.92
8.0.240.0000.00616.96
8.0.230.0000.00716.89
8.0.220.0070.00016.89
8.0.210.0030.00316.79
8.0.200.0030.00316.98
8.0.190.0060.00316.93
8.0.180.0000.00716.94
8.0.170.0120.00016.75
8.0.160.0080.00316.77
8.0.150.0040.00416.82
8.0.140.0070.00416.71
8.0.130.0110.00016.82
8.0.120.0060.00316.73
8.0.110.0030.00616.81
8.0.100.0070.00316.81
8.0.90.0030.00716.81
8.0.80.0030.00916.86
8.0.70.0070.00416.88
8.0.60.0000.01016.70
8.0.50.0030.00616.80
8.0.30.0080.00316.72
8.0.20.0070.00416.90
8.0.10.0060.00617.02
7.4.330.0000.00515.55
7.4.320.0000.00616.48
7.4.300.0070.00016.50
7.4.290.0030.00616.35
7.4.280.0040.00716.57
7.4.270.0090.00016.33
7.4.260.0030.00716.52
7.4.250.0100.00016.46
7.4.240.0090.00416.54
7.4.230.0090.00316.57
7.4.220.0120.00316.57
7.4.210.0030.00716.51
7.4.200.0090.00316.60
7.4.190.0040.00516.53
7.4.180.0060.00316.64
7.4.160.0040.00716.59
7.4.150.0060.00316.50
7.4.140.0070.00416.28
7.4.130.0070.00416.34
7.4.120.0110.00816.48
7.4.110.0170.00016.30
7.4.100.0130.00716.41
7.4.90.0140.00016.15
7.4.80.0130.00016.26
7.4.70.0000.01216.41
7.4.60.0160.00616.27
7.4.50.0080.01016.16
7.4.40.0060.00616.26
7.4.30.0110.00216.28
7.4.20.0130.00216.23
7.4.10.0090.00416.32
7.4.00.0020.00916.12

preferences:
29.61 ms | 403 KiB | 5 Q