3v4l.org

run code in 300+ PHP versions simultaneously
<?php $oldarray = [0=>'a',8=>'b',2=>'c',7=>'d',9=>'e',11=>'f']; $newarray = array(); $length = count($oldarray); for($i = 0; $i < $length ; ++$i) { $newarray[] = array('current'=>current($oldarray),'next'=>next($oldarray)); } print_r($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)
8.5.10.0080.00920.26
8.5.00.0130.00819.79
8.4.160.0140.01021.57
8.4.150.0010.00114.05
8.4.140.0110.01017.63
8.4.130.0080.00317.53
8.4.120.0120.00923.97
8.4.110.0100.00922.27
8.4.100.0120.00818.79
8.4.90.0130.00720.71
8.4.80.0040.00418.70
8.4.70.0050.00318.74
8.4.60.0110.01020.40
8.4.50.0120.00818.71
8.4.40.0110.00817.44
8.4.30.0130.00717.58
8.4.20.0070.01317.57
8.4.10.0100.00017.46
8.3.290.0090.00720.76
8.3.280.0090.01218.32
8.3.270.0140.00616.63
8.3.260.0110.00816.64
8.3.250.0090.00818.85
8.3.240.0110.00917.14
8.3.230.0090.01016.82
8.3.220.0120.00419.04
8.3.210.0060.01216.53
8.3.200.0040.00516.55
8.3.190.0040.00418.80
8.3.180.0140.00519.06
8.3.170.0110.00818.25
8.3.160.0050.00317.48
8.3.150.0040.00418.82
8.3.140.0160.00320.56
8.3.130.0060.00318.52
8.3.120.0090.00018.80
8.3.110.0070.01120.94
8.3.100.0080.00024.06
8.3.90.0180.00026.77
8.3.80.0030.00717.97
8.3.70.0080.00816.50
8.3.60.0150.00616.50
8.3.50.0080.01022.10
8.3.40.0070.00718.67
8.3.30.0060.01518.70
8.3.20.0090.00020.20
8.3.10.0050.00323.66
8.3.00.0160.00319.50
8.2.300.0100.01020.38
8.2.290.0100.00919.03
8.2.280.0100.00918.38
8.2.270.0090.00916.67
8.2.260.0040.00416.37
8.2.250.0140.00016.60
8.2.240.0030.00617.10
8.2.230.0030.00622.58
8.2.220.0090.00037.54
8.2.210.0080.00026.77
8.2.200.0060.00316.38
8.2.190.0120.00316.63
8.2.180.0110.01118.41
8.2.170.0070.00722.96
8.2.160.0070.00720.52
8.2.150.0150.00524.18
8.2.140.0140.00724.66
8.2.130.0110.00726.16
8.2.120.0030.00617.50
8.2.110.0100.00022.13
8.2.100.0070.00417.70
8.2.90.0030.00617.75
8.2.80.0040.00418.84
8.2.70.0050.00317.50
8.2.60.0030.00517.38
8.2.50.0090.00017.80
8.2.40.0000.00819.25
8.2.30.0030.00320.50
8.2.20.0070.00017.84
8.2.10.0030.00518.10
8.2.00.0050.00318.02
8.1.340.0110.00917.59
8.1.330.0110.00821.95
8.1.320.0150.00416.05
8.1.310.0060.00316.27
8.1.300.0050.00518.33
8.1.290.0060.00330.84
8.1.280.0000.01425.92
8.1.270.0060.01223.85
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00319.13
8.1.230.0070.00317.89
8.1.220.0090.00017.78
8.1.210.0000.00818.77
8.1.200.0040.00417.23
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0040.00417.62
8.1.160.0030.00322.05
8.1.150.0040.00418.89
8.1.140.0000.00821.28
8.1.130.0020.00517.65
8.1.120.0040.00417.36
8.1.110.0040.00417.51
8.1.100.0000.00717.42
8.1.90.0070.00017.45
8.1.80.0000.00717.36
8.1.70.0000.00717.49
8.1.60.0060.00717.45
8.1.50.0060.00317.48
8.1.40.0030.00517.52
8.1.30.0080.00017.54
8.1.20.0030.00517.67
8.1.10.0000.00717.47
8.1.00.0000.00717.36
8.0.300.0050.00318.77
8.0.290.0030.00716.75
8.0.280.0030.00318.30
8.0.270.0040.00417.32
8.0.260.0030.00317.19
8.0.250.0030.00616.92
8.0.240.0000.00716.89
8.0.230.0000.00716.79
8.0.220.0000.00716.72
8.0.210.0030.00316.83
8.0.200.0060.00016.88
8.0.190.0060.00316.76
8.0.180.0040.00416.85
8.0.170.0040.00416.84
8.0.160.0030.00317.00
8.0.150.0000.00716.88
8.0.140.0000.00716.87
8.0.130.0000.00613.27
8.0.120.0040.00416.88
8.0.110.0080.00016.75
8.0.100.0000.00716.79
8.0.90.0000.00716.73
8.0.80.0000.01616.93
8.0.70.0040.00416.96
8.0.60.0000.00716.92
8.0.50.0050.00216.89
8.0.30.0090.00917.19
8.0.20.0090.00917.40
8.0.10.0040.00417.08
8.0.00.0090.00916.67
7.4.330.0000.00515.08
7.4.320.0030.00316.57
7.4.300.0000.00616.57
7.4.290.0040.00416.49
7.4.280.0000.00616.49
7.4.270.0050.00316.50
7.4.260.0030.00316.50
7.4.250.0000.00716.48
7.4.240.0030.00316.52
7.4.230.0000.00716.59
7.4.220.0050.01416.54
7.4.210.0100.00816.63
7.4.200.0070.00016.53
7.4.160.0100.01016.46
7.4.150.0100.01017.40
7.4.140.0150.01017.86
7.4.130.0110.00916.43
7.4.120.0110.00816.51
7.4.110.0120.00616.46
7.4.100.0150.00716.51
7.4.90.0040.01416.60
7.4.80.0220.00019.39
7.4.70.0100.00616.52
7.4.60.0070.01116.43
7.4.50.0000.00616.29
7.4.40.0140.00316.49
7.4.30.0030.01416.32
7.4.00.0050.01114.98
7.3.330.0030.00313.11
7.3.320.0050.00013.11
7.3.310.0030.00316.23
7.3.300.0030.00316.25
7.3.290.0130.00716.30
7.3.280.0090.01016.25
7.3.270.0070.01417.40
7.3.260.0140.00316.51
7.3.250.0060.01216.38
7.3.240.0090.01216.27
7.3.230.0060.01116.50
7.3.210.0110.00816.31
7.3.200.0070.01416.66
7.3.190.0000.01616.39
7.3.180.0090.00916.38
7.3.170.0110.01016.27
7.3.160.0130.00716.27
7.3.120.0070.01014.74
7.3.110.0070.01115.04
7.3.100.0040.01114.85
7.3.90.0070.00314.72
7.3.80.0050.00914.78
7.3.70.0000.01314.74
7.3.60.0080.00514.71
7.3.50.0060.00714.57
7.3.40.0040.01014.82
7.3.30.0080.00614.74
7.3.20.0050.00516.61
7.3.10.0020.01116.45
7.3.00.0050.00816.70
7.2.330.0140.00316.54
7.2.320.0120.00616.45
7.2.310.0000.01716.54
7.2.300.0040.01316.45
7.2.290.0140.00316.61
7.2.250.0060.01314.89
7.2.240.0130.00714.88
7.2.230.0050.01015.01
7.2.220.0050.01014.85
7.2.210.0020.01015.07
7.2.200.0000.01415.13
7.2.190.0110.00515.12
7.2.180.0060.00815.15
7.2.170.0070.00414.94
7.2.60.0070.00716.81
7.2.50.0030.00917.01
7.1.330.0110.00315.55
7.1.320.0030.01015.89
7.1.310.0040.00615.82
7.1.300.0080.00515.77
7.1.290.0050.00815.82
7.1.280.0050.00815.77
7.1.270.0080.00415.71
7.1.260.0100.00215.62
7.1.200.0060.00315.93
7.1.70.0040.00417.07
7.1.60.0060.01919.11
7.1.50.0030.00916.97
7.1.00.0030.07722.30
7.0.200.0190.00814.90
7.0.60.0100.08019.86
7.0.50.0100.07717.74
7.0.40.0000.09019.96
7.0.30.0200.04320.23
7.0.20.0300.07720.33
7.0.10.0200.04720.07
7.0.00.0030.04320.19
5.6.280.0000.03721.14
5.6.210.0130.07720.76
5.6.200.0070.07318.27
5.6.190.0030.09020.67
5.6.180.0230.04320.60
5.6.170.0170.05320.54
5.6.160.0070.08720.47
5.6.150.0000.05718.11
5.6.140.0170.07018.28
5.6.130.0000.04318.29
5.6.120.0030.08721.09
5.6.110.0100.07721.01
5.6.100.0170.07320.95
5.6.90.0070.07021.10
5.6.80.0070.05320.43
5.6.70.0300.07720.52
5.5.350.0230.06320.32
5.5.340.0200.06317.95
5.5.330.0030.04320.40
5.5.320.0370.06720.47
5.5.310.0430.06720.34
5.5.300.0130.03018.06
5.5.290.0070.08317.97
5.5.280.0000.05320.84
5.5.270.0170.06020.75
5.5.260.0100.07320.86
5.5.250.0100.07720.56
5.5.240.0070.06320.18
5.4.450.0330.03719.32
5.4.440.0430.05319.55
5.4.430.0330.03719.19
5.4.420.0500.06019.54
5.4.410.0330.03319.34
5.4.400.0330.03319.15
5.4.390.0300.06018.85
5.4.380.0330.03719.31
5.4.370.0270.04318.86
5.4.360.0370.04019.21
5.4.350.0300.03719.13
5.4.340.0330.03719.20
5.4.320.0330.06318.86
5.4.310.0430.02719.20
5.4.300.0400.04019.08
5.4.290.0470.06019.05
5.4.280.0330.07018.98
5.4.270.0330.05719.21
5.4.260.0330.04319.16
5.4.250.0330.06719.18
5.4.240.0370.05719.15
5.4.230.0330.03718.97
5.4.220.0400.03318.94
5.4.210.0370.03319.14
5.4.200.0530.05318.86
5.4.190.0370.03319.07
5.4.180.0370.03318.95
5.4.170.0300.04019.16
5.4.160.0500.02319.29
5.4.150.0270.04319.29
5.4.140.0330.04716.31
5.4.130.0400.03016.50
5.4.120.0430.03016.51
5.4.110.0330.04716.18
5.4.100.0430.06016.40
5.4.90.0330.04716.27

preferences:
33.9 ms | 403 KiB | 5 Q