3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['a' => [1,2,3], 'b' => [4,5,6], 'c' => [7,8,9]]; var_dump( array_slice($a, 0, 2) + ['xxx' => [10,11,12]] + array_slice($a, 2, count($a) - 2) );

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)
8.3.60.0130.00616.50
8.3.50.0120.00521.93
8.3.40.0070.01418.70
8.3.30.0110.01118.59
8.3.20.0030.00520.16
8.3.10.0040.00423.38
8.3.00.0040.00419.79
8.2.180.0130.00616.63
8.2.170.0070.00722.96
8.2.160.0100.00320.36
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0080.00019.14
8.2.120.0060.00326.35
8.2.110.0000.00921.18
8.2.100.0000.01117.66
8.2.90.0040.00418.03
8.2.80.0050.00318.09
8.2.70.0090.00017.80
8.2.60.0050.00317.91
8.2.50.0090.00018.10
8.2.40.0060.00320.42
8.2.30.0030.00320.63
8.2.20.0000.00717.66
8.2.10.0070.00017.93
8.2.00.0020.00517.93
8.1.280.0070.01425.92
8.1.270.0060.01220.35
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0060.00323.88
8.1.230.0080.00420.95
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0000.00817.38
8.1.190.0050.00517.35
8.1.180.0030.00618.10
8.1.170.0040.00418.30
8.1.160.0000.00722.13
8.1.150.0040.00418.89
8.1.140.0040.00419.54
8.1.130.0000.00717.70
8.1.120.0070.00017.36
8.1.110.0000.00717.45
8.1.100.0000.00717.46
8.1.90.0050.00317.44
8.1.80.0000.00717.49
8.1.70.0030.00317.38
8.1.60.0060.00317.46
8.1.50.0000.00817.48
8.1.40.0000.00817.50
8.1.30.0090.00017.61
8.1.20.0050.00217.63
8.1.10.0030.00517.42
8.1.00.0040.00417.27
8.0.300.0000.00719.98
8.0.290.0040.00416.63
8.0.280.0020.00518.37
8.0.270.0040.00417.12
8.0.260.0060.00017.06
8.0.250.0030.00316.95
8.0.240.0030.00317.00
8.0.230.0000.00716.95
8.0.220.0080.00316.90
8.0.210.0030.00416.84
8.0.200.0000.00616.95
8.0.190.0060.00316.90
8.0.180.0070.00016.95
8.0.170.0090.00016.95
8.0.160.0000.00716.96
8.0.150.0050.00216.87
8.0.140.0000.00716.89
8.0.130.0030.00313.29
8.0.120.0030.00616.88
8.0.110.0000.00716.91
8.0.100.0030.00516.89
8.0.90.0040.00416.98
8.0.80.0140.00316.90
8.0.70.0040.00416.99
8.0.60.0040.00416.83
8.0.50.0070.00016.82
8.0.30.0070.01217.10
8.0.20.0110.01317.40
8.0.10.0040.00417.16
8.0.00.0080.01116.80
7.4.330.0000.00516.89
7.4.320.0070.00016.54
7.4.300.0000.00716.54
7.4.290.0030.00316.49
7.4.280.0000.00816.49
7.4.270.0070.00016.36
7.4.260.0030.00316.53
7.4.250.0000.00816.45
7.4.240.0030.00416.58
7.4.230.0000.00716.62
7.4.220.0000.01716.52
7.4.210.0030.01216.61
7.4.200.0050.00216.52
7.4.160.0130.00316.45
7.4.150.0090.00917.40
7.4.140.0080.01417.86
7.4.130.0120.00816.39
7.4.120.0080.01216.53
7.4.110.0100.00716.46
7.4.100.0110.01216.57
7.4.90.0070.01016.57
7.4.80.0120.00619.39
7.4.70.0000.01716.36
7.4.60.0100.00716.57
7.4.50.0100.00616.49
7.4.40.0070.01016.65
7.4.30.0100.01116.42
7.4.00.0100.00714.94
7.3.330.0050.00013.08
7.3.320.0050.00013.01
7.3.310.0040.00416.20
7.3.300.0030.00316.22
7.3.290.0110.00416.25
7.3.280.0090.00616.28
7.3.270.0180.00017.40
7.3.260.0080.00816.30
7.3.240.0160.00216.33
7.3.230.0110.01316.51
7.3.210.0030.01416.20
7.3.200.0130.00316.27
7.3.190.0060.01216.35
7.3.180.0060.01016.34
7.3.170.0070.01116.49
7.3.160.0130.00316.53
7.2.330.0120.00616.39
7.2.320.0120.00916.61
7.2.310.0070.01016.47
7.2.300.0070.01016.61
7.2.290.0230.00016.59
7.1.70.0000.00916.96
7.1.60.0090.01619.44
7.1.50.0130.01016.66
7.1.00.0030.07722.31
7.0.200.0030.00616.63
7.0.60.0070.05319.78
7.0.50.0070.08717.66
7.0.40.0130.08320.24
7.0.30.0170.04020.02
7.0.20.0200.04320.33
7.0.10.0270.06320.15
7.0.00.0200.07320.16
5.6.280.0070.06021.14
5.6.210.0130.07320.56
5.6.200.0030.07018.18
5.6.190.0070.04020.47
5.6.180.0130.04720.63
5.6.170.0170.09020.62
5.6.160.0070.08720.41
5.6.150.0070.08018.11
5.6.140.0070.08018.17
5.6.130.0000.04318.18
5.6.120.0070.05321.12
5.6.110.0030.08721.01
5.6.100.0130.07020.98
5.6.90.0070.08320.99
5.6.80.0070.06720.27
5.5.350.0100.08720.30
5.5.340.0070.07317.91
5.5.330.0000.05320.40
5.5.320.0570.05020.34
5.5.310.0130.05720.28
5.5.300.0030.04018.02
5.5.290.0070.08318.03
5.5.280.0100.04320.79
5.5.270.0170.08020.86
5.5.260.0170.07320.75
5.5.250.0000.06720.76
5.5.240.4130.04320.05

preferences:
52.14 ms | 401 KiB | 5 Q