3v4l.org

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

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)
8.3.60.0070.01418.30
8.3.50.0120.00722.00
8.3.40.0070.00718.73
8.3.30.0080.00619.04
8.3.20.0070.00020.37
8.3.10.0000.00821.80
8.3.00.0040.00422.39
8.2.180.0030.01016.38
8.2.170.0140.00022.96
8.2.160.0120.00320.73
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00519.23
8.2.110.0090.00022.03
8.2.100.0090.00317.77
8.2.90.0000.00919.22
8.2.80.0090.00017.97
8.2.70.0050.00317.50
8.2.60.0030.00617.80
8.2.50.0000.00818.07
8.2.40.0050.00318.21
8.2.30.0030.00618.02
8.2.20.0030.00617.70
8.2.10.0080.00017.74
8.2.00.0110.00017.75
8.1.280.0100.01025.92
8.1.270.0000.00823.96
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0080.00024.02
8.1.230.0070.00419.22
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0030.00617.35
8.1.190.0040.00417.30
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0040.00421.93
8.1.150.0030.00618.63
8.1.140.0040.00417.45
8.1.130.0000.00717.80
8.1.120.0000.00717.48
8.1.110.0070.00017.44
8.1.100.0000.00717.30
8.1.90.0070.00317.49
8.1.80.0040.00417.35
8.1.70.0070.00017.32
8.1.60.0040.00417.46
8.1.50.0030.00517.41
8.1.40.0000.00817.51
8.1.30.0050.00517.48
8.1.20.0060.00317.58
8.1.10.0030.00617.51
8.1.00.0030.00617.51
8.0.300.0070.00018.77
8.0.290.0040.00417.05
8.0.280.0070.00018.38
8.0.270.0070.00017.20
8.0.260.0000.00816.75
8.0.250.0030.00316.92
8.0.240.0060.00316.87
8.0.230.0030.00316.91
8.0.220.0070.00016.72
8.0.210.0030.00316.79
8.0.200.0000.00616.88
8.0.190.0000.00816.76
8.0.180.0000.00916.82
8.0.170.0000.00816.93
8.0.160.0050.00216.98
8.0.150.0050.00316.83
8.0.140.0040.00416.86
8.0.130.0000.00613.31
8.0.120.0050.00216.74
8.0.110.0030.00616.91
8.0.100.0050.00216.82
8.0.90.0060.00316.77
8.0.80.0030.01216.84
8.0.70.0020.00516.95
8.0.60.0040.00416.82
8.0.50.0050.00316.77
8.0.30.0100.00917.04
8.0.20.0080.01317.40
8.0.10.0000.00816.84
8.0.00.0090.01216.82
7.4.330.0050.00015.00
7.4.320.0000.00616.42
7.4.300.0040.00416.44
7.4.290.0070.00016.38
7.4.280.0000.00716.38
7.4.270.0040.00416.54
7.4.260.0000.00816.57
7.4.250.0020.00516.56
7.4.240.0020.00516.54
7.4.230.0070.00016.39
7.4.220.0040.01416.61
7.4.210.0060.00816.50
7.4.200.0040.00416.39
7.4.190.0040.00416.53
7.4.160.0090.00916.43
7.4.150.0150.00317.40
7.4.140.0120.00517.86
7.4.130.0080.00916.56
7.4.120.0100.00716.58
7.4.110.0100.01016.36
7.4.100.0130.00716.17
7.4.90.0060.01016.58
7.4.80.0060.01016.70
7.4.70.0060.01016.46
7.4.60.0060.00916.52
7.4.50.0050.00316.34
7.4.40.0030.01022.77
7.4.30.0120.00316.33
7.4.00.0050.01114.78
7.3.330.0030.00313.30
7.3.320.0060.00013.15
7.3.310.0030.00316.17
7.3.300.0000.00616.27
7.3.290.0090.00616.34
7.3.280.0060.01116.30
7.3.270.0120.00617.40
7.3.260.0070.01016.34
7.3.250.0080.00816.29
7.3.240.0070.01016.29
7.3.230.0100.00716.45
7.3.210.0130.00616.37
7.3.200.0070.01319.39
7.3.190.0150.00316.23
7.3.180.0090.00916.64
7.3.170.0150.00716.56
7.3.160.0060.01016.62
7.3.120.0080.00814.94
7.3.110.0040.01514.95
7.3.100.0000.01114.96
7.3.90.0100.00715.00
7.3.80.0120.00314.78
7.3.70.0060.00314.76
7.3.60.0070.00714.55
7.3.50.0110.00314.76
7.3.40.0170.00014.76
7.3.30.0000.01714.91
7.3.20.0090.00616.48
7.3.10.0070.00816.82
7.3.00.0050.00716.56
7.2.330.0100.00716.56
7.2.320.0040.01416.46
7.2.310.0030.01416.68
7.2.300.0060.01216.43
7.2.290.0070.01016.57
7.2.250.0090.00614.95
7.2.240.0070.00715.24
7.2.230.0000.01515.08
7.2.220.0030.00614.96
7.2.210.0070.00714.78
7.2.200.0100.00315.19
7.2.190.0120.00414.91
7.2.180.0090.00315.07
7.2.170.0000.01115.02
7.2.130.0070.01017.15
7.2.120.0030.01016.77
7.2.110.0070.01016.77
7.2.100.0100.00316.91
7.2.90.0100.00316.77
7.2.80.0070.00716.61
7.2.70.0050.00517.05
7.2.60.0040.01116.62
7.2.50.0100.00716.93
7.2.40.0070.00717.12
7.2.30.0030.00716.92
7.2.20.0040.01116.90
7.2.10.0030.00616.83
7.2.00.0060.00718.06
7.1.330.0090.00615.60
7.1.320.0040.01115.82
7.1.310.0070.00716.00
7.1.300.0160.00015.48
7.1.290.0080.00415.59
7.1.280.0030.00615.55
7.1.270.0070.00716.05
7.1.260.0030.00915.76
7.1.250.0030.01316.00
7.1.100.0070.00718.09
7.1.70.0000.00717.26
7.1.60.0030.02019.82
7.1.50.0180.01434.73
7.1.00.0100.07022.48
7.0.200.0070.00716.70
7.0.140.0000.07722.06
7.0.60.0070.05721.81
7.0.50.0130.03317.81
7.0.40.0030.04720.20
7.0.30.0300.08020.03
7.0.20.0230.07320.17
7.0.10.0130.08320.09
7.0.00.0070.07720.20
5.6.280.0000.07720.77
5.6.210.0170.05020.62
5.6.200.0030.08718.08
5.6.190.0070.04020.61
5.6.180.0300.07320.39
5.6.170.0370.07020.48
5.6.160.0030.09020.52
5.6.150.0070.08018.09
5.6.140.0130.07318.21
5.6.130.0030.06718.21
5.6.120.0070.05020.98
5.6.110.0100.07320.93
5.6.100.0000.06021.08
5.6.90.0100.08320.94
5.6.80.0130.07720.28
5.5.350.4300.05020.39
5.5.340.0030.04017.98
5.5.330.0070.08320.40
5.5.320.0300.04020.30
5.5.310.0370.06320.34
5.5.300.0070.07717.95
5.5.290.0100.07717.90
5.5.280.0100.03720.96
5.5.270.0030.04020.64
5.5.260.0230.06720.83
5.5.250.0170.07320.65
5.5.240.0270.03320.23
5.4.450.0370.05719.12
5.4.440.0800.08319.33
5.4.430.0100.05319.63
5.4.420.0730.05719.31
5.4.410.0830.05719.19
5.4.400.0770.05719.31
5.4.390.0770.06319.00
5.4.380.0370.04318.57
5.4.370.0100.03718.62
5.4.360.0100.04318.50
5.4.350.0060.03711.98
5.4.340.0090.03911.97
5.4.320.0080.03612.46
5.4.310.0080.04012.45
5.4.300.0070.03512.46
5.4.290.0050.03812.45
5.4.280.0030.03812.35
5.4.270.0050.03812.35
5.4.260.0090.03812.35
5.4.250.0070.03712.35
5.4.240.0050.03612.35
5.4.230.0100.04612.34
5.4.220.0050.03712.34
5.4.210.0030.03712.34
5.4.200.0050.03812.34
5.4.190.0140.04412.34
5.4.180.0150.04312.34
5.4.170.0140.04312.35
5.4.160.0130.04612.34
5.4.150.0310.08912.34
5.4.140.0140.04312.02
5.4.130.0110.04612.01
5.4.120.0140.04211.96
5.4.110.0140.04211.96
5.4.100.0190.03911.96
5.4.90.0100.04711.96
5.4.80.0160.04011.96
5.4.70.0120.04311.95
5.4.60.0110.04511.96
5.4.50.0140.04211.95
5.4.40.0270.05911.95
5.4.30.0120.04611.95
5.4.20.0150.04111.95
5.4.10.0150.04011.94
5.4.00.0140.04111.43
5.3.290.0050.03912.80
5.3.280.0060.03612.71
5.3.270.0180.04212.72
5.3.260.0170.04312.72
5.3.250.0190.04412.72
5.3.240.0170.04212.72
5.3.230.0190.04512.71
5.3.220.0150.04412.68
5.3.210.0190.04312.68
5.3.200.0260.07012.68
5.3.190.0140.04712.68
5.3.180.0140.05112.67
5.3.170.0200.04012.67
5.3.160.0220.06712.67
5.3.150.0200.03912.67
5.3.140.0140.04512.66
5.3.130.0250.06412.66
5.3.120.0160.04512.66
5.3.110.0150.04712.66
5.3.100.0110.05012.12
5.3.90.0150.04612.08
5.3.80.0300.09012.08
5.3.70.0160.04312.08
5.3.60.0200.03812.06
5.3.50.0180.04012.00
5.3.40.0150.04312.00
5.3.30.0200.06811.96
5.3.20.0140.04311.73
5.3.10.0080.04711.69
5.3.00.0140.04211.68
5.2.170.0150.0349.18
5.2.160.0150.0319.18
5.2.150.0130.0339.18
5.2.140.0170.0299.18
5.2.130.0100.0379.14
5.2.120.0120.0349.15
5.2.110.0180.0329.14
5.2.100.0090.0419.14
5.2.90.0120.0399.14
5.2.80.0140.0369.13
5.2.70.0160.0349.14
5.2.60.0120.0379.09
5.2.50.0100.0389.06
5.2.40.0110.0379.04
5.2.30.0120.0369.01
5.2.20.0120.0369.00
5.2.10.0330.0748.92
5.2.00.0170.0288.78
5.1.60.0140.0278.07
5.1.50.0170.0548.07
5.1.40.0100.0328.05
5.1.30.0080.0348.39
5.1.20.0110.0368.42
5.1.10.0120.0348.14
5.1.00.0130.0318.14
5.0.50.0120.0256.62
5.0.40.0100.0226.48
5.0.30.0130.0346.29
5.0.20.0100.0226.27
5.0.10.0090.0246.24
5.0.00.0080.0376.24
4.4.90.0080.0174.78
4.4.80.0090.0174.75
4.4.70.0110.0144.75
4.4.60.0270.0594.75
4.4.50.0090.0174.77
4.4.40.0070.0294.71
4.4.30.0090.0174.76
4.4.20.0050.0214.85
4.4.10.0100.0154.85
4.4.00.0120.0234.75
4.3.110.0060.0204.66
4.3.100.0060.0194.67
4.3.90.0060.0194.64
4.3.80.0090.0254.58
4.3.70.0120.0164.63
4.3.60.0110.0144.62
4.3.50.0280.0594.63
4.3.40.0060.0284.54
4.3.30.0070.0173.29
4.3.20.0060.0183.28
4.3.10.0040.0193.23
4.3.00.0100.0177.52

preferences:
44.49 ms | 401 KiB | 5 Q