3v4l.org

run code in 300+ PHP versions simultaneously
<?php $new_items = array_map($items, function ($item) { return array_map($item, function ($key_values) { return array_reduce($key_values, function ($seed, $value, $key) { $seed[$key] = $value; }); }); });

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)
8.3.60.0170.00318.53
8.3.50.0120.00521.02
8.3.40.0110.00418.92
8.3.30.0200.00018.80
8.3.20.0000.00720.31
8.3.10.0000.00822.04
8.3.00.0070.00022.39
8.2.180.0090.00916.63
8.2.170.0110.00322.96
8.2.160.0130.00320.28
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00419.64
8.2.110.0070.00420.53
8.2.100.0070.00417.85
8.2.90.0030.00518.26
8.2.80.0060.00319.32
8.2.70.0000.00817.50
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0000.00718.22
8.2.30.0040.00417.94
8.2.20.0040.00417.72
8.2.10.0000.00717.70
8.2.00.0000.00717.62
8.1.280.0140.00025.92
8.1.270.0000.00820.21
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0040.00422.05
8.1.230.0060.00620.84
8.1.220.0000.00917.74
8.1.210.0040.00418.91
8.1.200.0030.00617.13
8.1.190.0030.00617.53
8.1.180.0030.00518.88
8.1.170.0000.00818.59
8.1.160.0030.00522.07
8.1.150.0000.00818.61
8.1.140.0080.00017.27
8.1.130.0070.00017.76
8.1.120.0040.00417.30
8.1.110.0060.00317.45
8.1.100.0000.00717.46
8.1.90.0030.00517.46
8.1.80.0020.00517.43
8.1.70.0030.00317.35
8.1.60.0080.00017.43
8.1.50.0000.00717.35
8.1.40.0080.00017.41
8.1.30.0000.00817.46
8.1.20.0040.00417.63
8.1.10.0050.00317.54
8.1.00.0030.00717.46
8.0.300.0000.00720.11
8.0.290.0040.00417.15
8.0.280.0070.00018.32
8.0.270.0000.00717.12
8.0.260.0030.00316.72
8.0.250.0000.00816.98
8.0.240.0000.00716.87
8.0.230.0030.00316.99
8.0.220.0000.00716.91
8.0.210.0030.00316.91
8.0.200.0060.00017.05
8.0.190.0000.00817.04
8.0.180.0030.00317.00
8.0.170.0040.00416.93
8.0.160.0040.00416.90
8.0.150.0060.00316.88
8.0.140.0050.00316.80
8.0.130.0070.00013.40
8.0.120.0000.00716.88
8.0.110.0000.00716.85
8.0.100.0040.00416.82
8.0.90.0020.00516.98
8.0.80.0040.01216.98
8.0.70.0000.00717.00
8.0.60.0040.00416.74
8.0.50.0040.00417.02
8.0.30.0120.00916.97
8.0.20.0120.00717.40
8.0.10.0000.00716.96
8.0.00.0100.00916.74
7.4.330.0030.00315.00
7.4.320.0030.00316.63
7.4.300.0030.00316.36
7.4.290.0070.00016.61
7.4.280.0000.00816.58
7.4.270.0070.00016.50
7.4.260.0070.00016.59
7.4.250.0070.00016.51
7.4.240.0010.00616.44
7.4.230.0030.00316.40
7.4.220.0130.00416.52
7.4.210.0090.00516.48
7.4.200.0070.00016.62
7.4.190.0030.00316.69
7.4.160.0110.00516.50
7.4.150.0000.01717.40
7.4.140.0100.01117.86
7.4.130.0130.00516.39
7.4.120.0070.01116.55
7.4.110.0040.01216.50
7.4.100.0080.00816.58
7.4.90.0060.01316.71
7.4.80.0070.01019.39
7.4.70.0110.00716.49
7.4.60.0060.00916.43
7.4.50.0030.00616.46
7.4.40.0120.00322.77
7.4.30.0080.00816.54
7.4.00.0030.01314.71
7.3.330.0060.00013.16
7.3.320.0030.00313.11
7.3.310.0030.00316.28
7.3.300.0000.00616.25
7.3.290.0090.00616.21
7.3.280.0050.01116.25
7.3.270.0070.01117.40
7.3.260.0060.01216.50
7.3.250.0140.00416.39
7.3.240.0100.01316.52
7.3.230.0110.00716.44
7.3.210.0130.00316.63
7.3.200.0030.01319.39
7.3.190.0130.01016.31
7.3.180.0040.01416.36
7.3.170.0150.00016.39
7.3.160.0030.01316.46
7.3.120.0090.00614.53
7.2.330.0090.01016.61
7.2.320.0100.00716.45
7.2.310.0130.01016.55
7.2.300.0100.00716.57
7.2.290.0060.01616.33
7.2.00.0000.01319.20
7.1.100.0070.01018.15
7.1.70.0000.00716.82
7.1.60.0040.01119.82
7.1.50.0000.02116.79
7.1.00.0030.04722.43
7.0.200.0000.00716.73
7.0.140.0030.07322.16
7.0.60.0100.08019.92
7.0.50.0070.03717.97
7.0.40.0100.08020.09
7.0.30.0130.05020.07
7.0.20.0330.04320.34
7.0.10.0230.04720.15
7.0.00.0030.05320.19
5.6.280.0100.06721.02
5.6.210.0130.07720.52
5.6.200.0070.07718.27
5.6.190.0100.06720.65
5.6.180.3630.04320.63
5.6.170.0270.05020.45
5.6.160.0070.05020.50
5.6.150.0100.08318.18
5.6.140.0070.08318.24
5.6.130.0070.04318.19
5.6.120.0070.04721.02
5.6.110.0030.08721.03
5.6.100.0100.07021.05
5.6.90.0230.06721.01
5.6.80.0130.07020.39
5.6.70.0200.03720.29
5.5.350.0170.06020.45
5.5.340.0070.04318.04
5.5.330.0070.08720.57
5.5.320.0300.06720.31
5.5.310.0270.08020.23
5.5.300.0030.08318.08
5.5.290.0100.03318.08
5.5.280.0170.07720.81
5.5.270.0030.05020.84
5.5.260.0030.08720.90
5.5.250.0070.03720.62
5.5.240.0000.04020.19
5.4.450.3930.03719.43
5.4.440.3800.04019.41
5.4.430.2600.03019.19
5.4.420.3730.03719.19
5.4.410.3570.03319.44
5.4.400.3830.03719.22
5.4.390.3900.04018.89
5.4.380.3770.03019.31
5.4.370.3870.04019.08
5.4.360.3200.04318.86
5.4.350.3700.03719.23
5.4.340.3570.03318.99
5.4.320.2570.03719.09
5.4.310.3300.03719.06
5.4.300.3530.03719.06
5.4.290.3630.04019.05
5.4.280.4030.03019.22
5.4.270.3530.04019.00
5.4.260.3670.04318.87
5.4.250.4030.02719.21
5.4.240.3200.03019.21
5.4.230.3530.03719.13
5.4.220.4170.03319.15
5.4.210.3870.03319.14
5.4.200.3870.03319.19
5.4.190.3730.04318.97
5.4.180.3730.03319.05
5.4.170.3530.04019.21
5.4.160.3800.03718.97
5.4.150.3670.03319.13
5.4.140.3900.04016.51
5.4.130.4400.03016.42
5.4.120.3730.03716.40
5.4.110.3830.03316.33
5.4.100.3600.03316.56
5.4.90.3700.03716.50
5.4.80.3500.03716.44
5.4.70.4030.04016.49
5.4.60.4470.03016.53
5.4.50.4270.03316.14
5.4.40.4370.03716.34
5.4.30.4170.03716.51
5.4.20.4170.03716.56
5.4.10.3900.03716.54
5.4.00.4430.03315.90
5.3.290.3170.03714.72
5.3.280.3470.04014.59
5.3.270.3270.04014.52
5.3.260.4370.04014.70
5.3.250.3930.03314.63
5.3.240.4800.03714.77
5.3.230.3370.03314.75
5.3.220.3870.03714.49
5.3.210.4000.03314.66
5.3.200.3800.03714.68
5.3.190.3730.03314.47
5.3.180.3530.03714.51
5.3.170.3070.04014.64
5.3.160.4270.04014.61
5.3.150.4400.03714.61
5.3.140.4570.04014.48
5.3.130.4170.04014.47
5.3.120.3500.04014.52
5.3.110.4330.03714.55
5.3.100.3830.04013.96
5.3.90.3470.03314.10
5.3.80.4030.03714.17
5.3.70.3800.02714.11
5.3.60.3700.03713.93
5.3.50.4070.04014.14
5.3.40.3930.03313.97
5.3.30.3830.03013.83
5.3.20.3830.04013.93
5.3.10.3900.03013.78
5.3.00.3670.03713.66
5.2.170.3270.02711.08
5.2.160.3270.02711.30
5.2.150.3330.02710.99
5.2.140.3200.03011.00
5.2.130.3570.03711.04
5.2.120.3500.02711.14
5.2.110.3100.03010.95
5.2.100.3100.02711.01
5.2.90.3170.02711.26
5.2.80.3230.02711.14
5.2.70.0730.03011.03
5.2.60.0000.03010.89
5.2.50.0070.02710.90
5.2.40.0730.03710.88
5.2.30.2500.02710.81
5.2.20.2670.03011.05
5.2.10.2730.02711.01
5.2.00.2400.02710.87
5.1.60.2630.0309.98
5.1.50.2600.0239.98
5.1.40.3000.0239.98
5.1.30.3200.02310.35
5.1.20.3170.02010.32
5.1.10.2830.0239.98
5.1.00.3230.02310.20
5.0.50.1470.0179.98
5.0.40.1470.0179.98
5.0.30.1470.0279.98
5.0.20.1500.0239.98
5.0.10.0970.0239.98
5.0.00.1470.0309.98
4.4.90.0030.0139.98
4.4.80.0000.0179.98
4.4.70.1070.0179.98
4.4.60.1400.0109.98
4.4.50.1530.0139.98
4.4.40.1170.0239.98
4.4.30.1330.0179.98
4.4.20.1770.0179.98
4.4.10.1800.0109.98
4.4.00.1500.0239.98
4.3.110.1800.0179.98
4.3.100.1470.0139.98
4.3.90.1770.0179.98
4.3.80.1730.0279.98
4.3.70.1400.0139.98
4.3.60.1700.0209.98
4.3.50.1670.0179.98
4.3.40.1770.0279.98
4.3.30.1030.0179.98
4.3.20.0000.0379.98
4.3.10.0030.0339.98
4.3.00.0030.0239.98

preferences:
46.77 ms | 401 KiB | 5 Q