3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = [ 0 => [7 => 'foo', 13 => 'foo'], 1 => [2 => 'foo', 25 => 'foo'], 4 => [24 => 'foo'], ]; $data = array_combine(array_map(function ($key) { return ++$key; }, array_keys($data)), $data); array_walk($data, function(&$data) { $data = array_combine(array_map(function ($key) { return ++$key; }, array_keys($data)), $data); }); var_dump($data);

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)
8.3.70.0090.00618.56
8.3.60.0090.00616.50
8.3.50.0130.00822.12
8.3.40.0070.00718.57
8.3.30.0090.00618.46
8.3.20.0050.00220.25
8.3.10.0040.00421.90
8.3.00.0050.00322.52
8.2.190.0140.00716.75
8.2.180.0120.00618.41
8.2.170.0150.00018.82
8.2.160.0070.00722.96
8.2.150.0000.00825.66
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00721.18
8.2.110.0030.00620.36
8.2.100.0080.00417.74
8.2.90.0000.00919.08
8.2.80.0030.00617.97
8.2.70.0080.00017.63
8.2.60.0040.00417.63
8.2.50.0060.00317.50
8.2.40.0080.00022.18
8.2.30.0030.00619.17
8.2.20.0040.00417.77
8.2.10.0040.00418.12
8.2.00.0040.00417.62
8.1.280.0070.01025.92
8.1.270.0140.00023.96
8.1.260.0090.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00620.40
8.1.230.0040.00719.09
8.1.220.0040.00417.77
8.1.210.0000.00818.77
8.1.200.0060.00317.36
8.1.190.0000.00817.13
8.1.180.0050.00318.10
8.1.170.0040.00418.56
8.1.160.0040.00422.21
8.1.150.0040.00418.82
8.1.140.0000.00819.59
8.1.130.0060.00317.70
8.1.120.0000.00817.45
8.1.110.0030.00617.47
8.1.100.0020.00517.50
8.1.90.0070.00017.46
8.1.80.0050.00217.54
8.1.70.0040.00417.44
8.1.60.0080.00017.57
8.1.50.0040.00417.46
8.1.40.0000.00817.51
8.1.30.0040.00417.66
8.1.20.0000.00817.51
8.1.10.0000.00717.59
8.1.00.0000.00817.46
8.0.300.0070.00019.65
8.0.290.0060.00316.75
8.0.280.0000.00818.33
8.0.270.0000.00716.82
8.0.260.0030.00317.29
8.0.250.0030.00316.94
8.0.240.0040.00416.88
8.0.230.0000.00816.86
8.0.220.0040.00416.84
8.0.210.0030.00316.85
8.0.200.0060.00016.92
8.0.190.0070.00316.84
8.0.180.0040.00416.95
8.0.170.0080.00016.89
8.0.160.0040.00416.81
8.0.150.0030.00316.75
8.0.140.0040.00416.81
8.0.130.0000.00613.34
8.0.120.0000.00816.90
8.0.110.0040.00416.89
8.0.100.0050.00216.86
8.0.90.0080.00016.90
8.0.80.0210.00016.84
8.0.70.0040.00416.80
8.0.60.0000.00716.79
8.0.50.0000.00816.71
8.0.30.0120.00617.09
8.0.20.0110.01017.40
8.0.10.0040.00416.98
8.0.00.0030.01616.77
7.4.330.0000.00615.08
7.4.320.0040.00416.36
7.4.300.0040.00416.65
7.4.290.0030.00316.46
7.4.280.0040.00416.39
7.4.270.0000.00716.55
7.4.260.0000.00616.47
7.4.250.0030.00316.57
7.4.240.0000.00716.59
7.4.230.0030.00316.31
7.4.220.0050.00516.55
7.4.210.0080.00916.58
7.4.200.0070.00016.34
7.4.160.0110.00516.38
7.4.150.0120.00617.40
7.4.140.0030.01417.86
7.4.130.0120.01016.41
7.4.120.0090.00916.47
7.4.110.0060.01216.41
7.4.100.0030.01516.39
7.4.90.0070.01016.56
7.4.80.0130.00717.86
7.4.70.0180.02116.52
7.4.60.0090.01116.39
7.4.50.0080.00716.40
7.4.40.0100.00716.58
7.4.30.0160.00816.59
7.4.20.0120.01116.44
7.4.10.0110.00816.43
7.4.00.0080.01115.72
7.3.330.0000.00513.06
7.3.320.0030.00313.24
7.3.310.0000.00716.34
7.3.300.0030.00316.11
7.3.290.0000.00716.28
7.3.280.0100.01016.20
7.3.270.0080.00817.40
7.3.260.0130.01216.34
7.3.250.0080.00816.33
7.3.240.0100.01016.31
7.3.230.0160.01116.61
7.3.220.0060.01216.41
7.3.210.0070.00916.31
7.3.200.0130.00716.41
7.3.190.0110.00916.35
7.3.180.0080.01116.45
7.3.170.0140.00516.36
7.3.160.0150.00516.38
7.3.150.0140.00316.42
7.3.140.0100.00916.28
7.3.130.0080.01116.18
7.3.120.0120.00715.78
7.3.110.0080.01115.79
7.3.100.0060.01115.59
7.3.90.0070.00615.75
7.3.80.0100.00815.82
7.3.70.0080.00915.69
7.3.60.0080.01015.75
7.3.50.0070.00715.78
7.3.40.0130.00615.78
7.3.30.0100.00515.66
7.3.20.0060.00916.36
7.3.10.0060.01016.22
7.3.00.0090.00816.43
7.2.330.0100.00716.46
7.2.320.0090.01116.52
7.2.310.0090.00816.41
7.2.300.0080.00916.64
7.2.290.0140.01016.50
7.2.280.0070.01116.54
7.2.270.0130.00916.65
7.2.260.0140.00516.43
7.2.250.0090.00915.92
7.2.240.0080.01216.00
7.2.230.0120.00616.07
7.2.220.0070.00916.11
7.2.210.0040.01215.96
7.2.200.0050.01015.88
7.2.190.0090.01016.10
7.2.180.0050.01016.01
7.2.170.0130.00515.88
7.2.160.0080.01516.30
7.2.150.0060.01216.47
7.2.140.0140.00816.58
7.2.130.0080.01116.59
7.2.120.0080.01016.52
7.2.110.0140.00416.53
7.2.100.0160.00416.60
7.2.90.0170.00016.59
7.2.80.0100.01516.56
7.2.70.0080.01016.68
7.2.60.0080.00816.70
7.2.50.0090.00916.51
7.2.40.0090.01016.59
7.2.30.0020.01516.64
7.2.20.0130.00816.51
7.2.10.0070.01016.47
7.2.00.0180.00717.45
7.1.330.0100.01015.70
7.1.320.0100.00915.63
7.1.310.0110.01015.61
7.1.300.0120.01015.59
7.1.290.0130.01015.59
7.1.280.0100.01115.60
7.1.270.0150.00615.53
7.1.260.0160.00615.48
7.1.250.0150.00815.44
7.1.240.0160.00615.52
7.1.230.0120.01215.52
7.1.220.0110.01115.55
7.1.210.0140.00915.53
7.1.200.0120.00615.59
7.1.190.0160.00615.47
7.1.180.0150.01115.48
7.1.170.0150.00915.52
7.1.160.0160.01015.58
7.1.150.0240.00115.48
7.1.140.0180.00515.51
7.1.130.0140.01115.46
7.1.120.0210.00615.56
7.1.110.0140.00915.50
7.1.100.0100.01116.46
7.1.90.0500.01115.59
7.1.80.0110.00916.32
7.1.70.0100.01016.37
7.1.60.0130.01320.80
7.1.50.0200.00721.83
7.1.40.0160.01021.64
7.1.30.0160.01121.84
7.1.20.0210.01121.88
7.1.10.0190.00815.77
7.1.00.0140.02517.45
7.0.330.0190.00615.18
7.0.320.0170.00515.25
7.0.310.0140.01215.28
7.0.300.0150.00615.38
7.0.290.0110.01215.32
7.0.280.0130.01015.16
7.0.270.0130.00815.22
7.0.260.0190.00615.33
7.0.250.0180.00415.25
7.0.240.0540.00916.18
7.0.230.0550.00516.04
7.0.220.0110.01015.96
7.0.210.0130.00815.74
7.0.200.0120.00815.49
7.0.190.0100.01015.58
7.0.180.0100.00915.62
7.0.170.0100.01015.50
7.0.160.0160.00915.56
7.0.150.0150.00915.50
7.0.140.0190.00715.54
7.0.130.0150.01015.72
7.0.120.0150.00915.72
7.0.110.0160.00715.61
7.0.100.0190.01716.60
7.0.90.0140.02416.72
7.0.80.0110.02316.75
7.0.70.0470.02016.16
7.0.60.0130.02316.61
7.0.50.0340.02016.32
7.0.40.0150.01816.81
7.0.30.0480.01816.35
7.0.20.0110.02316.31
7.0.10.0130.02116.30
7.0.00.0100.02316.24
5.6.400.0120.01615.86
5.6.390.0140.01015.96
5.6.380.0130.01116.00
5.6.370.0150.00815.86
5.6.360.0100.01415.70
5.6.350.0140.01215.82
5.6.340.0190.00715.74
5.6.330.0140.01215.73
5.6.320.0160.01015.91
5.6.310.0150.01115.76
5.6.300.0200.02517.48
5.6.290.0140.02817.47
5.6.280.0120.03217.54
5.6.270.0210.02817.44
5.6.260.0190.02817.51
5.6.250.0120.03618.17
5.6.240.0210.02918.24
5.6.230.0160.03418.29
5.6.220.0130.03618.37
5.6.210.0130.03418.31
5.6.200.0150.03518.46
5.6.190.0170.03318.46
5.6.180.0120.03718.38
5.6.170.0130.03318.37
5.6.160.0160.03018.32
5.6.150.0140.03318.38
5.6.140.0170.03218.42
5.6.130.0180.03118.32
5.6.120.0180.03918.34
5.6.110.0100.04618.32
5.6.100.0150.03318.29
5.6.90.0140.03518.35
5.6.80.0110.03417.96
5.6.70.0140.03418.04
5.6.60.0170.03618.05
5.6.50.0180.03018.08
5.6.40.0180.03218.10
5.6.30.0130.03618.03
5.6.20.0130.03818.02
5.6.10.0180.03117.97
5.6.00.0140.03418.06

preferences:
21.12 ms | 401 KiB | 5 Q