3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [[6],[6],[6],[5,1],[3,3],[3,3],[3,2,1]]; $result = []; foreach ($array as $row) { $key = json_encode($row); $result[$key] = [$row, ($result[$key][1] ?? 0) + 1]; } echo json_encode(array_values($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)
8.4.130.0070.00318.82
8.4.120.0120.00824.25
8.4.110.0070.00218.77
8.4.100.0040.00519.00
8.4.90.0050.00522.02
8.4.80.0100.00818.79
8.4.70.0050.00318.77
8.4.60.0110.01018.75
8.4.50.0040.00517.56
8.4.40.0100.00317.93
8.4.30.0150.00318.91
8.4.20.0100.00717.74
8.4.10.0090.00023.78
8.3.260.0140.00816.67
8.3.250.0110.00719.12
8.3.240.0130.00617.20
8.3.230.0130.00916.57
8.3.220.0030.00519.03
8.3.210.0090.00818.38
8.3.200.0070.00216.71
8.3.190.0050.00417.39
8.3.180.0090.01018.61
8.3.170.0100.00017.20
8.3.160.0090.00916.80
8.3.150.0140.00417.19
8.3.140.0060.00317.30
8.3.130.0030.00518.34
8.3.120.0030.00618.96
8.3.110.0040.00418.56
8.3.100.0060.00624.06
8.3.90.0080.00026.77
8.3.80.0080.00318.55
8.3.70.0040.01116.63
8.3.60.0110.00416.38
8.3.50.0120.00920.20
8.3.40.0220.00022.11
8.3.30.0070.00718.89
8.3.20.0030.00624.18
8.3.10.0070.00324.66
8.3.00.0070.00026.16
8.2.290.0130.00120.52
8.2.280.0100.01118.43
8.2.270.0170.00316.58
8.2.260.0110.00718.41
8.2.250.0000.01418.58
8.2.240.0090.00616.96
8.2.230.0040.00420.94
8.2.220.0030.00637.54
8.2.210.0070.00726.77
8.2.200.0030.00616.63
8.2.190.0150.00416.63
8.2.180.0120.00625.92
8.2.170.0060.01018.83
8.2.160.0100.00322.96
8.2.150.0110.00325.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00320.96
8.2.110.0090.00022.16
8.2.100.0070.00317.91
8.2.90.0100.00017.63
8.2.80.0080.00017.97
8.2.70.0060.00317.50
8.2.60.0030.00617.63
8.2.50.0030.00518.05
8.2.40.0000.00718.32
8.2.30.0000.00718.04
8.2.20.0040.00419.31
8.2.10.0040.00418.07
8.2.00.0000.00719.36
8.1.330.0090.01022.21
8.1.320.0120.00717.80
8.1.310.0060.00318.39
8.1.300.0030.00620.28
8.1.290.0100.00030.84
8.1.280.0170.00325.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0080.00023.89
8.1.230.0040.00719.29
8.1.220.0030.00617.76
8.1.210.0000.00818.77
8.1.200.0070.00317.48
8.1.190.0080.00017.00
8.1.180.0030.00618.10
8.1.170.0080.00018.62
8.1.160.0000.00718.81
8.1.150.0040.00418.59
8.1.140.0070.00017.45
8.1.130.0030.00318.81
8.1.120.0080.00017.35
8.1.110.0000.01117.46
8.1.100.0050.00517.30
8.1.90.0160.00017.25
8.1.80.0080.00817.37
8.1.70.0080.00817.42
8.1.60.0150.00317.41
8.1.50.0120.00617.52
8.1.40.0120.00617.51
8.1.30.0150.00417.54
8.1.20.0100.00717.57
8.1.10.0150.00417.50
8.1.00.0040.01317.32
8.0.300.0070.00019.65
8.0.290.0060.00316.75
8.0.280.0000.00718.45
8.0.270.0040.00417.17
8.0.260.0030.00318.45
8.0.250.0000.00716.97
8.0.240.0150.00016.89
8.0.230.0150.00016.89
8.0.220.0060.00916.83
8.0.210.0140.00316.85
8.0.200.0090.00716.91
8.0.190.0150.00016.87
8.0.180.0130.00216.83
8.0.170.0080.00616.80
8.0.160.0070.00816.84
8.0.150.0120.00316.70
8.0.140.0090.00516.65
8.0.130.0130.00316.76
8.0.120.0050.01016.61
8.0.110.0140.00016.75
8.0.100.0120.00216.75
8.0.90.0050.01016.91
8.0.80.0100.00516.82
8.0.70.0150.00016.73
8.0.60.0070.00716.86
8.0.50.0080.00816.83
8.0.30.0110.00316.70
8.0.20.0130.00316.92
8.0.10.0100.00517.01
7.4.330.0030.00315.55
7.4.320.0120.00416.31
7.4.300.0070.01116.58
7.4.290.0110.00616.41
7.4.280.0110.00516.37
7.4.270.0100.00516.38
7.4.260.0090.00616.33
7.4.250.0050.01016.58
7.4.240.0090.00616.52
7.4.230.0100.00716.46
7.4.220.0130.00316.39
7.4.210.0150.00016.37
7.4.200.0070.00716.52
7.4.190.0110.00416.41
7.4.180.0130.00216.64
7.4.160.0090.00616.40
7.4.150.0070.00816.38
7.4.140.0110.00316.38
7.4.130.0070.00216.30
7.4.120.0100.00316.32
7.4.110.0090.00616.22
7.4.100.0120.00316.42
7.4.90.0100.00616.32
7.4.80.0060.00616.41
7.4.70.0080.00016.29
7.4.60.0070.00016.38
7.4.50.0000.00916.45
7.4.40.0080.00016.21
7.4.30.0040.00416.27
7.4.20.0040.00416.28
7.4.10.0050.00316.28
7.4.00.0060.00216.30

preferences:
94.13 ms | 403 KiB | 5 Q