3v4l.org

run code in 300+ PHP versions simultaneously
<?php $oldArray = array('a','b','c','d'); $newArray = array(); for($i = 0; $i < count($oldArray); $i+=2){ $key = $oldArray[$i]; $val = $oldArray[$i+1]; $newArray[$key] = $val; } var_dump($newArray);

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)
8.3.60.0030.01418.43
8.3.50.0100.00922.05
8.3.40.0120.00318.88
8.3.30.0040.01119.23
8.3.20.0040.00420.37
8.3.10.0040.00423.51
8.3.00.0080.00317.59
8.2.180.0110.00718.16
8.2.170.0050.00822.96
8.2.160.0030.01020.55
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00422.25
8.2.110.0030.00619.39
8.2.100.0040.00817.91
8.2.90.0000.00819.21
8.2.80.0080.00017.97
8.2.70.0000.00817.63
8.2.60.0060.00318.03
8.2.50.0080.00018.07
8.2.40.0000.00818.16
8.2.30.0000.00718.13
8.2.20.0040.00417.64
8.2.10.0000.00718.18
8.2.00.0080.00217.75
8.1.280.0090.00925.92
8.1.270.0080.00023.96
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0090.00022.02
8.1.230.0070.00418.95
8.1.220.0000.00817.76
8.1.210.0050.00318.77
8.1.200.0000.01017.35
8.1.190.0000.00717.53
8.1.180.0040.00418.10
8.1.170.0000.00818.64
8.1.160.0040.00421.94
8.1.150.0000.00718.70
8.1.140.0000.00717.46
8.1.130.0070.00017.86
8.1.120.0030.00317.50
8.1.110.0040.00417.47
8.1.100.0040.00417.36
8.1.90.0040.00417.37
8.1.80.0070.00017.48
8.1.70.0030.00517.44
8.1.60.0000.00717.50
8.1.50.0040.00417.58
8.1.40.0020.00517.41
8.1.30.0030.00617.64
8.1.20.0040.00417.53
8.1.10.0000.00817.38
8.1.00.0000.00717.47
8.0.300.0060.00318.77
8.0.290.0030.00616.63
8.0.280.0040.00418.29
8.0.270.0070.00017.18
8.0.260.0050.00317.11
8.0.250.0040.00416.85
8.0.240.0040.00416.86
8.0.230.0040.00416.90
8.0.220.0030.00316.77
8.0.210.0030.00316.79
8.0.200.0000.00716.90
8.0.190.0030.00616.85
8.0.180.0040.00416.75
8.0.170.0070.00016.91
8.0.160.0080.00016.94
8.0.150.0050.00316.79
8.0.140.0040.00316.81
8.0.130.0050.00013.32
8.0.120.0050.00316.89
8.0.110.0030.00516.96
8.0.100.0070.00016.78
8.0.90.0000.00716.95
8.0.80.0040.01116.85
8.0.70.0070.00017.00
8.0.60.0050.00316.77
8.0.50.0050.00316.85
8.0.30.0140.00817.32
8.0.20.0090.00917.40
8.0.10.0040.00417.02
8.0.00.0160.00716.79
7.4.330.0000.00515.08
7.4.320.0030.00316.59
7.4.300.0030.00316.46
7.4.290.0000.00716.61
7.4.280.0000.00616.48
7.4.270.0000.00916.53
7.4.260.0070.00416.59
7.4.250.0070.00016.39
7.4.240.0020.00516.57
7.4.230.0000.00716.61
7.4.220.0130.00716.41
7.4.210.0060.01016.61
7.4.200.0030.00316.46
7.4.190.0000.00716.47
7.4.160.0090.00616.69
7.4.150.0130.00417.40
7.4.140.0100.00717.86
7.4.130.0090.00816.33
7.4.120.0040.01416.39
7.4.110.0090.00916.58
7.4.100.0150.00816.48
7.4.90.0030.01516.47
7.4.80.0030.01519.39
7.4.70.0100.01016.54
7.4.60.0140.00416.43
7.4.50.0090.00016.28
7.4.40.0100.00322.77
7.4.30.0110.00516.41
7.4.00.0040.01114.75
7.3.330.0030.00313.32
7.3.320.0050.00013.17
7.3.310.0070.00016.39
7.3.300.0060.00016.18
7.3.290.0150.00016.27
7.3.280.0080.00816.32
7.3.270.0150.00317.40
7.3.260.0060.01216.38
7.3.250.0110.00716.31
7.3.240.0100.00716.29
7.3.230.0130.00316.48
7.3.210.0080.01216.20
7.3.200.0140.01019.39
7.3.190.0080.00816.70
7.3.180.0150.00416.23
7.3.170.0090.00616.43
7.3.160.0090.00616.64
7.3.120.0070.00714.64
7.3.10.0030.01116.64
7.3.00.0030.00616.46
7.2.330.0060.01116.68
7.2.320.0030.01416.71
7.2.310.0160.00316.60
7.2.300.0070.01016.79
7.2.290.0130.00316.64
7.2.130.0090.00617.08
7.2.120.0060.00316.93
7.2.110.0110.00416.81
7.2.100.0040.01417.11
7.2.90.0030.00616.75
7.2.80.0060.00916.83
7.2.70.0040.01216.91
7.2.60.0090.00516.95
7.2.50.0070.00317.02
7.2.40.0080.00316.91
7.2.30.0000.01416.92
7.2.20.0030.00616.98
7.2.10.0080.00817.01
7.2.00.0080.00416.74
7.1.250.0090.00616.05
7.1.200.0040.00815.95
7.1.100.0030.00918.23
7.1.70.0150.00317.33
7.1.60.0100.01319.33
7.1.50.0130.00316.59
7.1.00.0000.07722.31
7.0.200.0090.00316.89
7.0.140.0030.07322.23
7.0.60.0170.06719.87
7.0.50.0070.05717.86
7.0.40.0070.04320.36
7.0.30.0230.04020.21
7.0.20.0230.04020.16
7.0.10.0030.04320.00
7.0.00.0100.08320.33
5.6.280.0000.07721.12
5.6.210.0100.03320.72
5.6.200.0030.07718.15
5.6.190.0030.04720.39
5.6.180.0230.04720.56
5.6.170.0130.04320.50
5.6.160.0070.07320.50
5.6.150.0170.07718.11
5.6.140.0070.03318.22
5.6.130.0100.05718.20
5.6.120.0230.06721.14
5.6.110.0100.07321.03
5.6.100.0100.06020.98
5.6.90.0100.07721.10
5.6.80.0070.07320.51
5.5.350.0000.08020.33
5.5.340.0030.05717.98
5.5.330.0030.08720.28
5.5.320.0470.07020.29
5.5.310.0270.07320.14
5.5.300.0070.04718.01
5.5.290.0030.09317.91
5.5.280.0130.05720.98
5.5.270.0000.05020.93
5.5.260.0070.04020.81
5.5.250.0070.03720.78
5.5.240.0300.06720.15
5.4.450.0530.05719.55
5.4.440.0130.05719.10
5.4.430.0270.05319.60
5.4.420.0270.06319.61
5.4.410.0170.05319.14
5.4.400.0270.03718.84
5.4.390.0170.05319.22
5.4.380.0370.05018.78
5.4.370.0100.05718.64
5.4.360.0200.04718.71
5.4.350.0050.04111.97
5.4.340.0050.03811.97
5.4.320.0100.03512.45
5.4.310.0090.03912.45
5.4.300.0050.04212.46
5.4.290.0050.03812.46
5.4.280.0060.03512.35
5.4.270.0080.03812.35
5.4.260.0060.04212.35
5.4.250.0030.04712.35
5.4.240.0080.04312.35
5.4.230.0080.04012.34
5.4.220.0130.04112.34
5.4.210.0080.04212.34
5.4.200.0070.03912.34
5.4.190.0120.04612.34
5.4.180.0140.04312.34
5.4.170.0200.06712.35
5.4.160.0200.04712.34
5.4.150.0190.04712.34
5.4.140.0260.06112.02
5.4.130.0190.04112.01
5.4.120.0150.04211.97
5.4.110.0120.04311.96
5.4.100.0180.04211.97
5.4.90.0140.04411.96
5.4.80.0120.04511.96
5.4.70.0140.04311.96
5.4.60.0110.04511.95
5.4.50.0170.04111.95
5.4.40.0130.04311.95
5.4.30.0150.04311.94
5.4.20.0130.04411.94
5.4.10.0170.04011.94
5.4.00.0150.04111.43
5.3.290.0040.04812.80
5.3.280.0080.03512.71
5.3.270.0210.03912.73
5.3.260.0170.04312.72
5.3.250.0200.04112.72
5.3.240.0160.04412.72
5.3.230.0150.04612.71
5.3.220.0200.04112.68
5.3.210.0120.04712.68
5.3.200.0170.04112.68
5.3.190.0170.04312.68
5.3.180.0150.04412.68
5.3.170.0150.04412.67
5.3.160.0280.09112.68
5.3.150.0110.04812.67
5.3.140.0180.04112.66
5.3.130.0150.04612.66
5.3.120.0190.04412.66
5.3.110.0150.04512.66
5.3.100.0210.06912.12
5.3.90.0180.04312.09
5.3.80.0180.04312.08
5.3.70.0160.04412.07
5.3.60.0290.06212.06
5.3.50.0200.04212.00
5.3.40.0160.04412.00
5.3.30.0210.03811.96
5.3.20.0160.04411.73
5.3.10.0160.04111.69
5.3.00.0160.04211.68
5.2.170.0270.0509.19
5.2.160.0170.0329.18
5.2.150.0130.0369.18
5.2.140.0260.0829.18
5.2.130.0120.0359.14
5.2.120.0110.0349.14
5.2.110.0130.0339.15
5.2.100.0110.0359.14
5.2.90.0120.0339.14
5.2.80.0090.0379.14
5.2.70.0090.0379.13
5.2.60.0100.0359.09
5.2.50.0170.0299.06
5.2.40.0080.0389.04
5.2.30.0100.0359.01
5.2.20.0180.0289.00
5.2.10.0230.0528.92
5.2.00.0150.0298.78
5.1.60.0090.0298.07
5.1.50.0110.0298.07
5.1.40.0100.0298.05
5.1.30.0120.0298.39
5.1.20.0200.0518.43
5.1.10.0150.0268.14
5.1.00.0090.0318.14
5.0.50.0080.0256.62
5.0.40.0080.0236.48
5.0.30.0130.0306.29
5.0.20.0190.0436.27
5.0.10.0100.0216.25
5.0.00.0040.0396.24
4.4.90.0050.0194.78
4.4.80.0080.0164.76
4.4.70.0040.0214.76
4.4.60.0060.0194.76
4.4.50.0070.0174.77
4.4.40.0130.0524.71
4.4.30.0110.0144.76
4.4.20.0090.0164.85
4.4.10.0060.0194.85
4.4.00.0090.0264.76
4.3.110.0060.0184.67
4.3.100.0040.0204.66
4.3.90.0050.0194.64
4.3.80.0150.0494.58
4.3.70.0070.0174.63
4.3.60.0070.0174.63
4.3.50.0070.0174.63
4.3.40.0090.0244.54
4.3.30.0080.0153.29
4.3.20.0040.0193.28
4.3.10.0040.0183.23
4.3.00.0100.0277.02

preferences:
69.2 ms | 401 KiB | 5 Q