3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ '7' => '15', '20' => '6', '11' => '9', '14' => '6', '4' => '15' ]; $result = []; foreach ($array as $key => $value) { $result[$value] = ($result[$value] ?? 0) + $key; } var_export($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)
8.5.00.0140.01220.07
8.4.150.0020.00114.05
8.4.140.0100.01017.56
8.4.130.0020.00718.66
8.4.120.0080.01123.76
8.4.110.0070.00318.97
8.4.100.0100.00818.64
8.4.90.0150.00622.32
8.4.80.0050.00418.69
8.4.70.0130.00717.52
8.4.60.0010.00718.84
8.4.50.0070.01220.34
8.4.40.0130.00617.63
8.4.30.0090.01220.46
8.4.20.0150.00418.05
8.4.10.0100.01020.23
8.3.280.0120.00818.35
8.3.270.0160.00916.62
8.3.260.0120.00816.37
8.3.250.0120.00718.96
8.3.240.0040.00617.03
8.3.230.0040.00416.50
8.3.220.0120.00819.02
8.3.210.0090.00916.74
8.3.200.0050.00416.45
8.3.190.0150.00517.19
8.3.180.0120.00318.43
8.3.170.0110.00716.91
8.3.160.0120.00616.48
8.3.150.0120.00618.80
8.3.140.0100.00719.07
8.3.130.0040.00418.49
8.3.120.0000.00919.02
8.3.110.0080.00420.94
8.3.100.0050.00316.50
8.3.90.0080.00026.77
8.3.80.0090.00016.50
8.3.70.0120.00316.63
8.3.60.0110.00418.30
8.3.50.0070.01020.04
8.3.40.0040.01118.67
8.3.30.0140.00019.09
8.3.20.0040.00424.18
8.3.10.0000.00824.66
8.3.00.0030.00526.16
8.2.290.0100.00520.47
8.2.280.0120.00818.28
8.2.270.0030.01417.20
8.2.260.0080.00016.50
8.2.250.0000.00916.64
8.2.240.0040.00417.36
8.2.230.0000.00822.58
8.2.220.0030.00624.06
8.2.210.0000.00926.77
8.2.200.0060.00318.29
8.2.190.0040.01118.54
8.2.180.0070.00725.92
8.2.170.0100.01019.08
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00819.76
8.2.110.0040.00422.30
8.2.100.0120.00017.78
8.2.90.0040.00417.88
8.2.80.0000.01318.97
8.2.70.0000.00817.63
8.2.60.0110.00017.90
8.2.50.0000.00817.98
8.2.40.0040.00417.84
8.2.30.0020.00517.99
8.2.20.0040.00420.56
8.2.10.0000.00717.97
8.2.00.0080.00019.29
8.1.330.0090.01022.01
8.1.320.0130.00816.08
8.1.310.0040.00416.93
8.1.300.0000.00818.19
8.1.290.0090.00030.84
8.1.280.0070.00725.92
8.1.270.0030.00523.99
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00320.32
8.1.230.0070.00417.57
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0080.00017.35
8.1.190.0050.00317.35
8.1.180.0060.00318.10
8.1.170.0050.00217.62
8.1.160.0040.00418.80
8.1.150.0050.00318.63
8.1.140.0040.00417.52
8.1.130.0000.00718.79
8.1.120.0040.00417.43
8.1.110.0040.00417.41
8.1.100.0000.00717.41
8.1.90.0040.00417.43
8.1.80.0000.00817.32
8.1.70.0000.00717.34
8.1.60.0060.00617.56
8.1.50.0200.00017.53
8.1.40.0200.00717.45
8.1.30.0200.00617.64
8.1.20.0180.00417.64
8.1.10.0130.01017.48
8.1.00.0180.00717.45
8.0.300.0040.00418.88
8.0.290.0060.00316.75
8.0.280.0070.00018.36
8.0.270.0000.00716.71
8.0.260.0000.00618.44
8.0.250.0000.00716.98
8.0.240.0070.00016.88
8.0.230.0070.00016.84
8.0.220.0060.00016.84
8.0.210.0060.00316.88
8.0.200.0000.00816.87
8.0.190.0150.00416.79
8.0.180.0170.00316.85
8.0.170.0160.00316.79
8.0.160.0190.00016.82
8.0.150.0100.01016.68
8.0.140.0190.00516.86
8.0.130.0170.00316.74
8.0.120.0140.00516.85
8.0.110.0170.00316.84
8.0.100.0100.00516.86
8.0.90.0140.00716.85
8.0.80.0200.00316.84
8.0.70.0150.00516.74
8.0.60.0170.00316.89
8.0.50.0210.00016.65
8.0.30.0230.00016.80
8.0.20.0130.00716.87
8.0.10.0210.00016.80
7.4.330.0000.00515.55
7.4.320.0000.00616.61
7.4.300.0000.00716.45
7.4.290.0030.00516.53
7.4.280.0130.00916.60
7.4.270.0140.00916.30
7.4.260.0220.00316.37
7.4.250.0070.00816.54
7.4.240.0140.00916.57
7.4.230.0080.00516.54
7.4.220.0140.00616.49
7.4.210.0130.00016.45
7.4.200.0040.00716.54
7.4.190.0100.01016.62
7.4.180.0110.00916.70
7.4.160.0180.00316.57
7.4.150.0160.00216.30
7.4.140.0120.00616.45
7.4.130.0150.00416.43
7.4.120.0160.00016.30
7.4.110.0090.00416.29
7.4.100.0200.00016.41
7.4.90.0180.00016.36
7.4.80.0140.00516.46
7.4.70.0110.00416.32
7.4.60.0170.00316.46
7.4.50.0110.00316.32
7.4.40.0060.00616.33
7.4.30.0070.00716.34
7.4.20.0100.00416.40
7.4.10.0200.00016.51
7.4.00.0150.00516.32

preferences:
28.92 ms | 403 KiB | 5 Q