3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['a', 'b']; $result = []; foreach ($array as $k => $result["prefix_$k"]); var_export($result); $result = []; echo "\n---\n"; foreach ($array as $result["prefix_$v"] => $v); var_export($result);

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)
8.4.140.0080.01317.63
8.4.130.0100.00718.70
8.4.120.0090.00924.05
8.4.110.0110.00718.84
8.4.100.0110.01017.91
8.4.90.0110.00720.45
8.4.80.0050.00518.85
8.4.70.0050.00417.71
8.4.60.0120.00720.52
8.4.50.0110.00517.92
8.4.40.0100.00317.71
8.4.30.0090.01218.57
8.4.20.0000.00918.00
8.4.10.0090.00017.89
8.3.270.0120.00816.67
8.3.260.0090.00816.54
8.3.250.0030.00518.69
8.3.240.0120.00617.17
8.3.230.0100.00616.50
8.3.220.0050.00318.88
8.3.210.0110.00718.29
8.3.200.0070.00216.68
8.3.190.0110.00817.17
8.3.180.0060.01020.85
8.3.170.0100.01016.73
8.3.160.0120.00616.86
8.3.150.0100.01017.18
8.3.140.0080.00017.08
8.3.130.0050.00318.28
8.3.120.0100.00620.49
8.3.110.0080.00020.94
8.3.100.0030.01316.75
8.3.90.0080.01126.77
8.3.80.0050.00516.74
8.3.70.0070.00716.63
8.3.60.0100.01718.43
8.3.50.0120.00920.48
8.3.40.0180.00318.84
8.3.30.0040.01118.66
8.3.20.0080.00624.18
8.3.10.0060.00324.66
8.3.00.0040.00426.16
8.2.290.0100.00917.13
8.2.280.0080.00218.73
8.2.270.0080.01116.73
8.2.260.0040.00420.62
8.2.250.0000.00816.59
8.2.240.0090.00619.11
8.2.230.0030.00622.58
8.2.220.0080.00837.54
8.2.210.0060.00326.77
8.2.200.0090.00016.75
8.2.190.0090.00616.75
8.2.180.0090.00625.92
8.2.170.0110.00719.14
8.2.160.0100.00322.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00019.89
8.2.110.0000.01319.27
8.2.100.0060.00617.97
8.2.90.0000.00917.91
8.2.80.0040.00419.16
8.2.70.0040.00417.93
8.2.60.0050.00318.16
8.2.50.0060.00318.10
8.2.40.0040.00421.03
8.2.30.0040.00419.30
8.2.20.0070.00020.43
8.2.10.0000.00717.85
8.2.00.0040.00419.30
8.1.330.0110.00916.14
8.1.320.0100.00916.43
8.1.310.0070.00716.34
8.1.300.0120.00616.16
8.1.290.0060.00330.84
8.1.280.0090.00925.92
8.1.270.0070.00023.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00622.05
8.1.230.0040.00720.89
8.1.220.0050.00517.79
8.1.210.0050.00318.93
8.1.200.0030.00617.47
8.1.190.0040.00417.35
8.1.180.0030.00618.10
8.1.170.0040.00418.50
8.1.160.0040.00418.84
8.1.150.0040.00418.55
8.1.140.0040.00417.36
8.1.130.0030.00320.16
8.1.120.0040.00417.46
8.1.110.0000.00717.42
8.1.100.0070.00017.34
8.1.90.0040.00417.35
8.1.80.0000.00917.44
8.1.70.0000.00717.52
8.1.60.0000.00817.56
8.1.50.0030.00517.53
8.1.40.0030.00617.48
8.1.30.0040.00417.49
8.1.20.0160.00017.45
8.1.10.0120.00217.31
8.1.00.0180.00717.40
8.0.300.0070.00020.04
8.0.290.0000.00716.75
8.0.280.0030.00518.43
8.0.270.0070.00016.75
8.0.260.0000.00618.34
8.0.250.0000.00717.02
8.0.240.0040.00416.92
8.0.230.0040.00416.88
8.0.220.0030.00316.89
8.0.210.0030.00316.84
8.0.200.0030.00316.89
8.0.190.0000.00717.01
8.0.180.0000.00716.97
8.0.170.0050.00416.99
8.0.160.0040.00416.88
8.0.150.0220.00016.73
8.0.140.0140.00516.67
8.0.130.0200.00316.86
8.0.120.0140.00716.85
8.0.110.0160.00316.82
8.0.100.0170.00416.88
8.0.90.0210.00016.68
8.0.80.0120.01016.91
8.0.70.0170.00416.78
8.0.60.0110.01116.70
8.0.50.0170.00416.65
8.0.30.0160.00616.77
8.0.20.0210.00016.89
8.0.10.0140.00716.96
7.4.330.0000.00515.55
7.4.320.0000.00716.48
7.4.300.0030.00316.51
7.4.290.0000.00716.44
7.4.280.0000.00816.48
7.4.270.0130.01016.38
7.4.260.0200.00316.49
7.4.250.0190.00616.54
7.4.240.0190.00616.49
7.4.230.0220.00416.52
7.4.220.0210.00016.50
7.4.210.0160.00516.44
7.4.200.0100.01016.40
7.4.190.0080.00316.56
7.4.180.0060.00316.49
7.4.160.0040.00416.48
7.4.150.0040.00416.40
7.4.140.0040.00816.43
7.4.130.0000.01016.39
7.4.120.0080.00416.37
7.4.110.0030.00816.28
7.4.100.0050.00816.47
7.4.90.0090.00316.49
7.4.80.0040.00916.39
7.4.70.0110.00216.36
7.4.60.0100.00316.21
7.4.50.0110.00316.36
7.4.40.0040.00816.29
7.4.30.0120.00016.39
7.4.20.0090.00416.39
7.4.10.0090.00416.34
7.4.00.0100.00016.29

preferences:
32.19 ms | 403 KiB | 5 Q