3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr=array(1=>1,2=>2,3=>3,4=>4,5=>5,6=>6,7=>7,8=>8,9=>9,);$count=count($arr); foreach($arr as $key=>$value){ if($key%2==0){ unset($arr[$key]); $count--; } var_dump($arr); echo $count; if(1!=$count) continue; else echo $key; }

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)
8.3.60.0170.00316.75
8.3.50.0210.01022.88
8.3.40.0090.00618.88
8.3.30.0090.00619.19
8.3.20.0080.00020.18
8.3.10.0000.00923.47
8.3.00.0040.00417.93
8.2.180.0040.01416.32
8.2.170.0120.00322.96
8.2.160.0100.00320.46
8.2.150.0000.00824.18
8.2.140.0000.00924.66
8.2.130.0000.00826.16
8.2.120.0030.00519.76
8.2.110.0050.00519.31
8.2.100.0080.00417.97
8.2.90.0040.00419.30
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0000.00918.04
8.2.50.0040.00418.07
8.2.40.0130.00018.22
8.2.30.0040.00418.03
8.2.20.0040.00417.82
8.2.10.0080.00018.05
8.2.00.0040.00417.73
8.1.280.0070.00725.92
8.1.270.0060.00323.87
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0090.00022.10
8.1.230.0080.00419.05
8.1.220.0030.00517.79
8.1.210.0040.00418.77
8.1.200.0050.00517.23
8.1.190.0060.00317.22
8.1.180.0040.00418.10
8.1.170.0030.00518.61
8.1.160.0000.00721.92
8.1.150.0000.00718.87
8.1.140.0050.00317.46
8.1.130.0000.00717.84
8.1.120.0040.00417.44
8.1.110.0040.00417.38
8.1.100.0000.00717.46
8.1.90.0030.00717.47
8.1.80.0040.00417.36
8.1.70.0000.00717.34
8.1.60.0000.00917.44
8.1.50.0030.00617.54
8.1.40.0000.00817.47
8.1.30.0030.00617.55
8.1.20.0040.00417.61
8.1.10.0080.00017.37
8.1.00.0000.00817.34
8.0.300.0040.00420.10
8.0.290.0040.00416.75
8.0.280.0040.00418.44
8.0.270.0040.00417.13
8.0.260.0030.00317.16
8.0.250.0030.00316.96
8.0.240.0060.00316.94
8.0.230.0000.00716.94
8.0.220.0040.00416.92
8.0.210.0040.00416.80
8.0.200.0070.00016.84
8.0.190.0000.00716.93
8.0.180.0070.00016.89
8.0.170.0050.00316.92
8.0.160.0080.00016.88
8.0.150.0080.00016.79
8.0.140.0000.00916.87
8.0.130.0050.00013.32
8.0.120.0040.00416.93
8.0.110.0070.00016.87
8.0.100.0080.00016.78
8.0.90.0000.00716.77
8.0.80.0150.00716.95
8.0.70.0000.00816.93
8.0.60.0050.00316.76
8.0.50.0040.00416.69
8.0.30.0070.01617.20
8.0.20.0090.01417.40
8.0.10.0040.00417.12
8.0.00.0070.01116.68
7.4.330.0060.00015.14
7.4.320.0000.00716.50
7.4.300.0000.00716.48
7.4.290.0050.00216.41
7.4.280.0050.00316.50
7.4.270.0000.00716.55
7.4.260.0040.00416.38
7.4.250.0030.00516.49
7.4.240.0030.00516.56
7.4.230.0070.00016.49
7.4.220.0080.01116.63
7.4.210.0050.01016.49
7.4.200.0020.00516.70
7.4.160.0070.01016.71
7.4.150.0180.00317.40
7.4.140.0080.01017.86
7.4.130.0080.01116.48
7.4.120.0100.00916.46
7.4.110.0150.00316.58
7.4.100.0120.00616.41
7.4.90.0120.00816.48
7.4.80.0110.00619.39
7.4.70.0130.00316.44
7.4.60.0130.01316.35
7.4.50.0040.00416.54
7.4.40.0080.01016.54
7.4.30.0090.01516.75
7.4.00.0050.01014.96
7.3.330.0050.00113.10
7.3.320.0030.00313.10
7.3.310.0030.00316.18
7.3.300.0000.00716.17
7.3.290.0070.00716.25
7.3.280.0060.01116.26
7.3.270.0080.01117.40
7.3.260.0200.00616.59
7.3.250.0120.00716.34
7.3.240.0100.01316.38
7.3.230.0120.01016.46
7.3.210.0040.01416.16
7.3.200.0000.02019.39
7.3.190.0100.01316.59
7.3.180.0110.01116.49
7.3.170.0070.01016.29
7.3.160.0090.00916.42
7.3.120.0050.01314.66
7.3.110.0120.00314.81
7.3.100.0070.00714.63
7.3.90.0090.00614.90
7.3.80.0060.00614.77
7.3.70.0090.00314.96
7.3.60.0000.00814.81
7.3.50.0050.00514.88
7.3.40.0030.00914.62
7.3.30.0130.00014.87
7.3.20.0070.00416.70
7.3.10.0060.00916.59
7.3.00.0040.00816.63
7.2.330.0110.00716.45
7.2.320.0110.00616.66
7.2.310.0060.01516.41
7.2.300.0090.00916.29
7.2.290.0070.01116.44
7.2.250.0030.01615.01
7.2.240.0060.01514.86
7.2.230.0150.00315.29
7.2.220.0000.01214.73
7.2.210.0100.00615.09
7.2.200.0000.01115.25
7.2.190.0000.00914.73
7.2.180.0000.01814.96
7.2.170.0030.01315.08
7.2.00.0110.00619.15
7.1.330.0000.01415.51
7.1.320.0000.01115.82
7.1.310.0070.00715.72
7.1.300.0070.00415.80
7.1.290.0000.01515.80
7.1.280.0000.00815.83
7.1.270.0000.01015.82
7.1.260.0090.00415.57
7.1.200.0200.00815.52
7.1.100.0210.00717.84
7.1.70.0070.00716.97
7.1.60.0190.00619.40
7.1.50.0100.01317.04
7.1.00.0100.07322.48
7.0.200.0000.00716.77
7.0.140.0070.09322.15
7.0.60.0030.09019.92
7.0.50.0000.05717.77
7.0.40.0070.05020.08
7.0.30.0270.07720.20
7.0.20.0230.05720.18
7.0.10.0100.05720.20
7.0.00.0070.07320.04
5.6.280.0030.07321.10
5.6.210.0070.07020.69
5.6.200.0130.07318.12
5.6.190.0070.09020.27
5.6.180.0400.07020.61
5.6.170.0270.07720.38
5.6.160.0030.05320.37
5.6.150.0100.06318.19
5.6.140.0030.07018.18
5.6.130.0100.06018.15
5.6.120.0100.08321.00
5.6.110.0030.05320.95
5.6.100.0070.08720.88
5.6.90.0170.04320.96
5.6.80.0130.07320.37
5.5.350.4330.03020.48
5.5.340.0070.08018.02
5.5.330.0100.06720.15
5.5.320.0030.07320.18
5.5.310.0200.03720.18
5.5.300.0030.03718.00
5.5.290.0030.04018.00
5.5.280.0070.08020.88
5.5.270.0070.08320.72
5.5.260.0170.07720.79
5.5.250.0100.04320.44
5.5.240.0170.07720.25
5.4.450.0370.04019.55
5.4.440.0330.03719.24
5.4.430.0570.04019.40
5.4.420.0530.06319.57
5.4.410.0570.06319.11
5.4.400.0570.05018.93
5.4.390.0470.04019.09
5.4.380.0570.06319.09
5.4.370.0430.06318.90
5.4.360.0430.05318.79
5.4.350.0430.03719.08
5.4.340.0430.04018.91
5.4.320.0400.03719.16
5.4.310.0530.04318.80
5.4.300.0500.07019.23
5.4.290.0670.04719.16
5.4.280.0430.06319.16
5.4.270.0530.04718.80
5.4.260.0600.05019.13
5.4.250.0370.04319.13
5.4.240.0530.06318.78
5.4.230.0500.04318.88
5.4.220.0630.06719.23
5.4.210.0400.04019.09
5.4.200.0470.04319.09
5.4.190.0470.03719.15
5.4.180.0400.04719.05
5.4.170.0400.04319.09
5.4.160.0400.04019.06
5.4.150.0600.06019.11
5.4.140.0600.06316.18
5.4.130.0500.05316.25
5.4.120.0500.03016.18
5.4.110.0700.06016.39
5.4.100.0530.04016.43
5.4.90.0500.04316.06
5.4.80.0470.03716.33
5.4.70.0570.06316.41
5.4.60.0500.03016.32
5.4.50.0370.04016.28
5.4.40.0570.03716.45
5.4.30.0500.06716.43
5.4.20.0630.03016.17
5.4.10.0400.04016.36
5.4.00.0630.03015.90
5.3.290.0530.05314.62
5.3.280.0630.05314.54
5.3.270.0430.07014.57
5.3.260.0300.04314.58
5.3.250.0470.04714.45
5.3.240.0600.05714.58
5.3.230.0630.06014.69
5.3.220.0430.03714.44
5.3.210.0530.06714.52
5.3.200.0570.06314.50
5.3.190.0500.06714.50
5.3.180.0430.03714.40
5.3.170.0500.06714.51
5.3.160.0430.05014.43
5.3.150.0470.04314.51
5.3.140.0530.06314.52
5.3.130.0430.04314.42
5.3.120.0430.04714.57
5.3.110.0500.03314.41
5.3.100.0500.06713.97
5.3.90.0530.04313.97
5.3.80.0400.04013.79
5.3.70.0600.06314.10
5.3.60.0570.06313.86
5.3.50.0630.05313.89
5.3.40.0570.06713.74
5.3.30.0530.05014.02
5.3.20.0530.06713.47
5.3.10.0630.05313.60
5.3.00.0470.06313.48
5.2.170.0430.04711.03
5.2.160.0400.03711.20
5.2.150.0500.05711.10
5.2.140.0470.05311.24
5.2.130.0470.05010.95
5.2.120.0470.05010.95
5.2.110.0370.04011.12
5.2.100.0430.05310.96
5.2.90.0430.05711.12
5.2.80.0400.06010.93
5.2.70.0470.05011.11
5.2.60.0430.05710.89
5.2.50.0330.03010.92
5.2.40.0270.03010.93
5.2.30.0300.02710.82
5.2.20.0270.03310.86
5.2.10.0370.02710.84
5.2.00.0200.03310.82
5.1.60.0230.02310.07
5.1.50.0300.04310.07
5.1.40.0170.03710.09
5.1.30.0230.03310.23
5.1.20.0300.03310.59
5.1.10.0330.03710.14
5.1.00.0370.04710.04
5.0.50.0200.0438.44
5.0.40.0200.0178.56
5.0.30.0200.0578.21
5.0.20.0230.0378.09
5.0.10.0170.0438.06
5.0.00.0200.0608.15
4.4.90.0200.0307.46
4.4.80.0130.0177.46
4.4.70.0230.0207.46
4.4.60.0200.0207.46
4.4.50.0130.0207.46
4.4.40.0100.0237.46
4.4.30.0200.0237.46
4.4.20.0170.0177.46
4.4.10.0200.0277.46
4.4.00.0200.0407.46
4.3.110.0270.0107.46
4.3.100.0170.0207.46
4.3.90.0200.0307.46
4.3.80.0130.0377.46
4.3.70.0230.0137.46
4.3.60.0170.0277.46
4.3.50.0130.0177.46
4.3.40.0200.0407.46
4.3.30.0070.0207.46
4.3.20.0100.0377.46
4.3.10.0170.0277.46
4.3.00.0070.0177.46

preferences:
45.93 ms | 401 KiB | 5 Q