3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['A[1]', 'B[2]', 'C[2]', 'D[2]']; $b = ['B[3]', 'C[4]', 'E[4]', 'F[2]', 'G[2]']; var_export( array_values( array_reduce( array_merge($a, $b), function($result, $v) { $result[strtok($v, '[')] = $v; return $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)
8.4.130.0080.01318.76
8.4.120.0100.00720.32
8.4.110.0130.00918.76
8.4.100.0120.00917.56
8.4.90.0100.01117.53
8.4.80.0090.01017.76
8.4.70.0130.00817.95
8.4.60.0110.00520.59
8.4.50.0130.00818.52
8.4.40.0160.00318.08
8.4.30.0110.00718.84
8.4.20.0080.01217.61
8.4.10.0030.00523.77
8.3.260.0100.01016.55
8.3.250.0110.00819.00
8.3.240.0110.00816.63
8.3.230.0120.00716.64
8.3.220.0110.00617.22
8.3.210.0120.00916.63
8.3.200.0030.00516.45
8.3.190.0040.00616.98
8.3.180.0120.00716.76
8.3.170.0060.00317.19
8.3.160.0160.00418.38
8.3.150.0070.00718.11
8.3.140.0060.00319.10
8.3.130.0000.00818.58
8.3.120.0120.00618.79
8.3.110.0060.01320.94
8.3.100.0040.00424.06
8.3.90.0090.00026.77
8.3.80.0000.01016.50
8.3.70.0090.01216.58
8.3.60.0180.00318.43
8.3.50.0150.00320.03
8.3.40.0070.00720.25
8.3.30.0070.00718.51
8.3.20.0040.00424.18
8.3.10.0020.00524.66
8.3.00.0030.00626.16
8.2.290.0000.00820.37
8.2.280.0110.00718.37
8.2.270.0110.00317.28
8.2.260.0110.00716.79
8.2.250.0100.00016.70
8.2.240.0090.00018.79
8.2.230.0000.00822.58
8.2.220.0030.00537.54
8.2.210.0000.01426.77
8.2.200.0000.00918.16
8.2.190.0130.00316.63
8.2.180.0040.01825.92
8.2.170.0090.00618.96
8.2.160.0100.00722.96
8.2.150.0000.00825.66
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00426.16
8.2.110.0100.00020.52
8.2.100.0030.01017.72
8.2.90.0040.00417.63
8.2.80.0040.00418.78
8.2.70.0030.00617.63
8.2.60.0040.00417.93
8.2.50.0000.00918.04
8.2.40.0080.00019.95
8.2.30.0030.00618.14
8.2.20.0040.00419.32
8.2.10.0040.00418.06
8.2.00.0000.00919.38
8.1.330.0140.00518.38
8.1.320.0120.00615.90
8.1.310.0050.00316.39
8.1.300.0120.00615.99
8.1.290.0060.00330.84
8.1.280.0140.00325.92
8.1.270.0060.00323.76
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0030.00621.98
8.1.230.0070.00717.89
8.1.220.0040.00417.77
8.1.210.0050.00318.77
8.1.200.0000.00917.36
8.1.190.0000.00917.22
8.1.180.0040.00418.10
8.1.170.0030.00717.62
8.1.160.0000.00718.99
8.1.150.0070.00018.61
8.1.140.0000.00717.46
8.1.130.0040.00418.88
8.1.120.0030.00317.47
8.1.110.0000.00817.48
8.1.100.0000.00917.43
8.1.90.0080.00817.51
8.1.80.0100.00717.41
8.1.70.0130.00617.45
8.1.60.0130.00417.41
8.1.50.0130.00617.60
8.1.40.0200.00017.50
8.1.30.0170.00317.56
8.1.20.0130.00717.55
8.1.10.0160.00517.52
8.1.00.0180.00317.49
8.0.300.0070.00018.77
8.0.290.0030.00616.75
8.0.280.0000.00718.38
8.0.270.0000.00816.70
8.0.260.0030.00318.38
8.0.250.0040.00416.82
8.0.240.0050.00216.80
8.0.230.0150.00216.88
8.0.220.0130.00316.81
8.0.210.0090.00716.68
8.0.200.0090.00616.90
8.0.190.0090.00616.93
8.0.180.0160.00016.90
8.0.170.0090.00616.81
8.0.160.0110.00316.88
8.0.150.0110.00516.70
8.0.140.0050.01016.80
8.0.130.0100.00516.68
8.0.120.0050.00916.71
8.0.110.0160.00016.78
8.0.100.0110.00416.68
8.0.90.0070.00716.80
8.0.80.0100.00716.97
8.0.70.0050.00916.83
8.0.60.0170.00016.79
8.0.50.0090.00516.89
8.0.30.0100.00316.74
8.0.20.0120.00016.78
8.0.10.0130.00017.07
7.4.330.0030.00315.55
7.4.320.0000.00616.52
7.4.300.0090.00316.48
7.4.290.0120.00616.63
7.4.280.0120.00016.32
7.4.270.0060.00816.64
7.4.260.0080.00716.58
7.4.250.0070.01016.45
7.4.240.0080.00616.36
7.4.230.0070.00316.44
7.4.220.0070.01116.51
7.4.210.0160.00116.61
7.4.200.0070.01016.62
7.4.190.0090.00616.43
7.4.180.0090.00416.56
7.4.160.0120.00716.44
7.4.150.0120.00416.46
7.4.140.0100.00516.34
7.4.130.0110.00416.41
7.4.120.0110.00616.39
7.4.110.0130.00516.40
7.4.100.0150.00416.43
7.4.90.0170.00016.38
7.4.80.0130.00316.28
7.4.70.0120.00416.40
7.4.60.0170.00016.43
7.4.50.0110.00716.29
7.4.40.0130.00316.39
7.4.30.0160.00016.41
7.4.20.0160.00016.38
7.4.10.0060.01016.46
7.4.00.0120.00416.44

preferences:
26.53 ms | 403 KiB | 5 Q