3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = array('item1' => 'object1', 'item2' => 'object2', 'item-n' => 'object-n'); $output = implode(', ', array_map(function ($v, $k) { return $k . '=' . $v; }, $input, array_keys($input))); echo$input;

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)
8.3.70.0100.01018.56
8.3.60.0140.00718.43
8.3.50.0150.00721.02
8.3.40.0040.01218.99
8.3.30.0070.00719.05
8.3.20.0070.00020.34
8.3.10.0040.00423.61
8.3.00.0060.00319.25
8.2.190.0220.00016.80
8.2.180.0110.00716.63
8.2.170.0040.01122.96
8.2.160.0130.00020.38
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00022.16
8.2.110.0110.00622.07
8.2.100.0000.01118.16
8.2.90.0000.00819.23
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0030.00617.92
8.2.50.0000.00818.07
8.2.40.0050.00318.09
8.2.30.0040.00418.05
8.2.20.0050.00217.68
8.2.10.0050.00218.18
8.2.00.0040.00417.70
8.1.280.0120.01225.92
8.1.270.0030.00523.79
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00722.74
8.1.230.0070.00317.83
8.1.220.0040.00417.91
8.1.210.0060.00318.77
8.1.200.0030.00617.13
8.1.190.0000.00816.98
8.1.180.0000.00818.10
8.1.170.0080.00018.50
8.1.160.0000.00822.01
8.1.150.0000.00718.83
8.1.140.0000.00717.45
8.1.130.0000.00717.75
8.1.120.0000.00717.36
8.1.110.0040.00417.47
8.1.100.0000.00717.34
8.1.90.0000.00717.43
8.1.80.0020.00517.43
8.1.70.0000.00717.40
8.1.60.0050.00217.63
8.1.50.0040.00417.51
8.1.40.0000.01017.57
8.1.30.0030.00617.63
8.1.20.0030.00617.61
8.1.10.0020.00517.53
8.1.00.0030.00617.43
8.0.300.0070.00018.77
8.0.290.0000.00816.75
8.0.280.0000.00718.41
8.0.270.0030.00317.16
8.0.260.0000.00817.25
8.0.250.0040.00417.04
8.0.240.0040.00317.04
8.0.230.0000.00617.01
8.0.220.0000.00717.00
8.0.210.0040.00416.97
8.0.200.0040.00417.00
8.0.190.0030.00517.03
8.0.180.0040.00416.94
8.0.170.0030.00516.96
8.0.160.0000.00717.02
8.0.150.0030.00516.85
8.0.140.0040.00716.91
8.0.130.0030.00313.35
8.0.120.0050.00316.87
8.0.110.0000.00716.95
8.0.100.0070.00016.86
8.0.90.0000.00716.97
8.0.80.0000.01616.95
8.0.70.0070.00016.86
8.0.60.0050.00317.02
8.0.50.0000.00716.96
8.0.30.0100.00917.13
8.0.20.0170.00617.40
8.0.10.0040.00417.14
8.0.00.0060.01316.78
7.4.330.0030.00315.00
7.4.320.0030.00316.46
7.4.300.0060.00016.42
7.4.290.0040.00416.63
7.4.280.0040.00416.55
7.4.270.0060.00016.58
7.4.260.0040.00416.47
7.4.250.0000.00816.55
7.4.240.0020.00516.60
7.4.230.0000.00616.49
7.4.220.0090.01216.52
7.4.210.0030.01016.45
7.4.200.0040.00416.63
7.4.160.0130.00616.43
7.4.150.0130.00717.40
7.4.140.0110.00517.86
7.4.130.0060.01316.57
7.4.120.0090.00816.56
7.4.110.0120.00616.50
7.4.100.0120.00616.56
7.4.90.0040.01316.43
7.4.80.0080.01119.39
7.4.70.0160.00016.58
7.4.60.0120.00416.54
7.4.50.0000.00716.35
7.4.40.0150.00716.60
7.4.30.0070.01016.26
7.4.00.0060.00914.75
7.3.330.0050.00013.32
7.3.320.0050.00013.20
7.3.310.0030.00316.25
7.3.300.0070.00016.20
7.3.290.0060.00816.36
7.3.280.0070.00916.40
7.3.270.0030.01517.40
7.3.260.0060.01016.52
7.3.250.0160.00516.46
7.3.240.0090.00916.70
7.3.230.0110.00616.63
7.3.210.0070.01016.38
7.3.200.0150.00319.39
7.3.190.0150.00716.49
7.3.180.0120.00316.72
7.3.170.0100.00716.51
7.3.160.0070.01116.62
7.2.330.0030.01416.66
7.2.320.0090.00616.63
7.2.310.0140.00416.36
7.2.300.0060.00916.36
7.2.290.0080.00916.65
7.2.00.0040.00419.22
7.1.200.0030.00915.87
7.1.100.0050.00518.25
7.1.70.0040.00817.28
7.1.60.0040.01819.32
7.1.50.0070.01517.00
7.1.00.0030.07722.37
7.0.200.0080.00316.73
7.0.140.0000.07321.95
7.0.60.0130.08321.73
7.0.50.0030.07017.86
7.0.40.0130.08019.96
7.0.30.0430.03320.09
7.0.20.0270.08020.25
7.0.10.0070.07720.09
7.0.00.0070.04020.14
5.6.280.0000.07721.08
5.6.210.0030.04320.54
5.6.200.0200.07318.29
5.6.190.0100.08020.41
5.6.180.0270.03320.60
5.6.170.0200.03720.55
5.6.160.0030.04320.46
5.6.150.0070.07718.18
5.6.140.0100.05718.13
5.6.130.0100.08018.19
5.6.120.0070.08721.02
5.6.110.0170.07320.97
5.6.100.0100.07020.98
5.6.90.0130.07320.96
5.6.80.0100.05320.43
5.5.350.4300.04720.48
5.5.340.0030.07718.02
5.5.330.0130.06320.57
5.5.320.0130.06020.28
5.5.310.0330.07020.34
5.5.300.0130.07318.03
5.5.290.0100.03718.03
5.5.280.0100.03720.87
5.5.270.0070.09320.79
5.5.260.0100.06320.77
5.5.250.0070.08320.69
5.5.240.0200.04720.16
5.4.450.0370.03719.55
5.4.440.0430.04019.52
5.4.430.0530.04319.21
5.4.420.0670.00019.41
5.4.410.0630.00019.45
5.4.400.0600.00019.16
5.4.390.0600.00019.11
5.4.380.0630.00019.05
5.4.370.0900.00019.21
5.4.360.0670.00019.13
5.4.350.0630.00019.07
5.4.340.0040.03712.02
5.4.320.0060.03612.51
5.4.310.0070.03712.50
5.4.300.0090.03812.50
5.4.290.0040.03912.50
5.4.280.0080.03212.40
5.4.270.0020.04012.39
5.4.260.0030.04012.40
5.4.250.0060.03712.40
5.4.240.0060.03612.39
5.4.230.0060.03612.39
5.4.220.0050.03612.38
5.4.210.0040.03812.39
5.4.200.0060.03912.39
5.4.190.0030.03812.38
5.4.180.0070.03412.38
5.4.170.0060.03612.39
5.4.160.0050.03612.39
5.4.150.0040.03712.38
5.4.140.0060.03712.07
5.4.130.0060.03412.06
5.4.120.0050.03612.02
5.4.110.0060.03612.01
5.4.100.0060.03512.01
5.4.90.0090.03312.01
5.4.80.0040.03812.01
5.4.70.0100.03312.01
5.4.60.0040.03512.01
5.4.50.0070.03312.01
5.4.40.0050.03512.00
5.4.30.0070.03912.00
5.4.20.0060.03511.99
5.4.10.0060.03312.00
5.4.00.0060.03511.48
5.3.290.0070.04112.80
5.3.280.0030.04212.71
5.3.270.0080.03612.72
5.3.260.0060.03812.72
5.3.250.0040.03812.72
5.3.240.0040.03812.72
5.3.230.0070.03612.71
5.3.220.0060.03912.68
5.3.210.0060.03812.68
5.3.200.0050.03612.68
5.3.190.0070.03612.68
5.3.180.0050.03612.68
5.3.170.0080.03412.67
5.3.160.0070.04012.67
5.3.150.0040.03812.67
5.3.140.0080.03312.66
5.3.130.0070.03812.66
5.3.120.0050.03912.66
5.3.110.0050.03812.65
5.3.100.0100.03212.12
5.3.90.0050.03712.09
5.3.80.0020.04012.09
5.3.70.0070.03412.09
5.3.60.0040.03712.07
5.3.50.0070.03412.02
5.3.40.0040.03612.02
5.3.30.0030.03711.98
5.3.20.0050.03511.76
5.3.10.0050.03511.72
5.3.00.0090.03811.72
5.2.170.0040.0409.18
5.2.160.0050.0289.18
5.2.150.0060.0289.18
5.2.140.0030.0329.17
5.2.130.0030.0309.14
5.2.120.0040.0349.14
5.2.110.0060.0279.14
5.2.100.0030.0309.15
5.2.90.0030.0309.14
5.2.80.0040.0309.14
5.2.70.0060.0389.14
5.2.60.0060.0319.09
5.2.50.0030.0319.07
5.2.40.0090.0329.04
5.2.30.0040.0309.01
5.2.20.0050.0329.00
5.2.10.0080.0238.92
5.2.00.0050.0298.79
5.1.60.0010.0278.07
5.1.50.0040.0258.06
5.1.40.0020.0268.05
5.1.30.0030.0268.39
5.1.20.0060.0238.42
5.1.10.0030.0318.14
5.1.00.0030.0248.14
5.0.50.0040.0256.63
5.0.40.0040.0266.48
5.0.30.0060.0416.29
5.0.20.0030.0196.27
5.0.10.0020.0216.24
5.0.00.0020.0326.23
4.4.90.0040.0224.78
4.4.80.0030.0144.76
4.4.70.0050.0194.75
4.4.60.0010.0224.75
4.4.50.0000.0204.77
4.4.40.0020.0284.71
4.4.30.0040.0154.76
4.4.20.0030.0154.85
4.4.10.0040.0144.85
4.4.00.0020.0294.76
4.3.110.0050.0214.67
4.3.100.0040.0154.66
4.3.90.0040.0134.63
4.3.80.0060.0284.59
4.3.70.0020.0154.63
4.3.60.0040.0124.63
4.3.50.0000.0174.63
4.3.40.0000.0254.54
4.3.30.0030.0143.29
4.3.20.0010.0163.27
4.3.10.0030.0243.22
4.3.00.0000.01710.58

preferences:
46.66 ms | 401 KiB | 5 Q