3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr=array(1=>1,2=>2); $count=count($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)
8.3.40.0140.00018.71
8.3.30.0030.01019.04
8.3.20.0070.00020.12
8.3.10.0080.00023.66
8.3.00.0080.00017.89
8.2.170.0070.00722.96
8.2.160.0100.00320.41
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0060.00326.16
8.2.120.0040.00421.04
8.2.110.0160.00719.45
8.2.100.0090.00317.72
8.2.90.0000.00819.23
8.2.80.0060.00317.97
8.2.70.0040.00417.75
8.2.60.0040.00418.04
8.2.50.0000.00818.10
8.2.40.0060.00318.34
8.2.30.0080.00018.06
8.2.20.0070.00017.68
8.2.10.0040.00418.16
8.2.00.0050.00217.80
8.1.270.0040.00423.91
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00023.83
8.1.230.0080.00417.82
8.1.220.0040.00417.79
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0000.00817.23
8.1.180.0030.00618.10
8.1.170.0080.00018.69
8.1.160.0050.00222.05
8.1.150.0030.00618.80
8.1.140.0050.00217.46
8.1.130.0030.00317.74
8.1.120.0000.00817.44
8.1.110.0040.00417.35
8.1.100.0070.00017.44
8.1.90.0000.01017.44
8.1.80.0000.00817.38
8.1.70.0000.00717.44
8.1.60.0090.00017.57
8.1.50.0040.00417.42
8.1.40.0040.00417.52
8.1.30.0040.00417.57
8.1.20.0000.00817.61
8.1.10.0040.00417.50
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0070.00018.44
8.0.270.0040.00417.31
8.0.260.0030.00317.27
8.0.250.0000.00616.95
8.0.240.0080.00016.97
8.0.230.0030.00317.00
8.0.220.0000.00716.74
8.0.210.0000.00716.85
8.0.200.0030.00316.92
8.0.190.0070.00016.92
8.0.180.0000.00716.94
8.0.170.0030.00516.90
8.0.160.0030.00516.82
8.0.150.0040.00416.88
8.0.140.0000.01016.87
8.0.130.0000.00513.30
8.0.120.0000.00816.73
8.0.110.0000.00716.89
8.0.100.0050.00316.77
8.0.90.0040.00416.91
8.0.80.0040.01216.80
8.0.70.0040.00416.74
8.0.60.0040.00416.76
8.0.50.0030.00516.70
8.0.30.0090.01017.34
8.0.20.0130.00617.40
8.0.10.0000.00717.12
8.0.00.0090.00816.89
7.4.330.0000.00515.00
7.4.320.0050.00216.55
7.4.300.0000.00716.51
7.4.290.0040.00416.52
7.4.280.0040.00416.59
7.4.270.0050.00316.63
7.4.260.0040.00416.54
7.4.250.0000.00716.48
7.4.240.0040.00416.55
7.4.230.0030.00316.62
7.4.220.0030.01416.47
7.4.210.0000.01416.53
7.4.200.0000.00816.57
7.4.160.0110.00416.49
7.4.150.0100.01017.40
7.4.140.0100.01017.86
7.4.130.0100.00816.52
7.4.120.0120.00816.50
7.4.110.0100.00716.49
7.4.100.0140.00316.48
7.4.90.0140.00716.55
7.4.80.0070.01119.39
7.4.70.0130.00516.59
7.4.60.0060.01616.36
7.4.50.0060.00016.18
7.4.40.0120.01016.24
7.4.30.0000.01816.57
7.4.00.0080.00814.90
7.3.330.0000.00513.16
7.3.320.0000.00512.96
7.3.310.0000.00716.16
7.3.300.0040.00416.17
7.3.290.0030.01016.34
7.3.280.0080.01016.26
7.3.270.0070.01117.40
7.3.260.0160.00416.23
7.3.250.0110.00916.38
7.3.240.0100.01416.64
7.3.230.0130.00316.46
7.3.210.0160.00716.59
7.3.200.0120.01219.39
7.3.190.0070.01016.33
7.3.180.0000.01616.29
7.3.170.0100.00716.61
7.3.160.0110.00616.42
7.3.120.0120.00314.84
7.2.330.0090.01316.62
7.2.320.0000.01616.41
7.2.310.0090.00916.75
7.2.300.0050.01116.71
7.2.290.0070.01016.70
7.2.110.0160.01116.60
7.2.100.0140.01116.46
7.2.90.0430.00716.70
7.2.80.0180.01116.72
7.2.70.0210.00716.90
7.2.60.0180.01417.01
7.2.50.0430.00916.83
7.2.40.0260.00416.89
7.2.30.0370.00816.71
7.2.20.0180.01116.81
7.2.10.0300.01516.73
7.2.00.0170.00418.12
7.1.230.0420.01015.92
7.1.220.0530.01015.58
7.1.210.0080.01715.83
7.1.200.0080.01115.81
7.1.190.0120.01215.57
7.1.180.0180.00915.72
7.1.170.0100.01615.86
7.1.160.0160.01015.91
7.1.150.0140.00915.67
7.1.140.0160.00915.92
7.1.130.0160.00815.66
7.1.120.0150.01215.61
7.1.110.0150.00615.80
7.1.100.0170.01116.86
7.1.90.0220.00316.00
7.1.80.0380.00415.80
7.1.70.0410.00716.52
7.1.60.0150.01517.67
7.1.50.0100.01916.40
7.1.40.0200.01115.79
7.1.30.0510.00315.86
7.1.20.0180.01815.77
7.1.10.0310.01615.74
7.1.00.0200.04319.04
7.0.310.0400.00815.33
7.0.300.0310.00415.36
7.0.290.0290.00715.43
7.0.280.0150.00715.43
7.0.270.0420.00415.21
7.0.260.0310.01215.32
7.0.250.0250.01415.42
7.0.240.0180.00715.42
7.0.230.0300.01015.42
7.0.220.0200.00515.47
7.0.210.0130.01015.54
7.0.200.0070.01116.16
7.0.190.0500.01215.25
7.0.180.0170.01015.55
7.0.170.0390.00815.52
7.0.160.0090.01315.37
7.0.150.0230.00714.88
7.0.140.0180.04918.76
7.0.130.0230.01215.48
7.0.120.0120.01515.38
7.0.110.0130.01315.51
7.0.100.0220.00415.13
7.0.90.0170.00915.46
7.0.80.0130.01315.39
7.0.70.0160.01015.12
7.0.60.0080.03617.67
7.0.50.0120.02316.67
7.0.40.0110.02816.72
7.0.30.0280.04016.68
7.0.20.0170.02516.77
7.0.10.0140.04316.90
7.0.00.0120.04716.96
5.6.380.0230.00314.47
5.6.370.0160.00713.93
5.6.360.0160.01213.88
5.6.350.0110.01114.62
5.6.340.0240.00614.47
5.6.330.0220.00614.32
5.6.320.0180.00714.58
5.6.310.0220.00614.32
5.6.300.0400.01114.12
5.6.290.0290.00414.31
5.6.280.0230.03617.54
5.6.270.0220.00414.28
5.6.260.0190.01014.42
5.6.250.0240.00414.33
5.6.240.0190.00814.33
5.6.230.0200.00214.27
5.6.220.0190.00814.30
5.6.210.0200.02917.59
5.6.200.0110.04716.20
5.6.190.0100.05017.38
5.6.180.0210.04717.27
5.6.170.0180.04317.54
5.6.160.0160.03517.42
5.6.150.0100.04016.35
5.6.140.0130.02616.27
5.6.130.0140.02216.30
5.6.120.0130.02017.73
5.6.110.0090.02417.82
5.6.100.0160.02717.67
5.6.90.0130.04717.84
5.6.80.0050.05117.42
5.6.70.0140.00714.14
5.6.60.0180.00314.20
5.6.50.0090.01214.41
5.6.40.0150.00813.95
5.6.30.0210.00314.20
5.6.20.0140.01014.25
5.6.10.0140.01414.46
5.6.00.0160.01014.09
5.5.380.0110.00610.92
5.5.370.0070.00711.06
5.5.360.0080.00811.07
5.5.350.1990.02415.77
5.5.340.0050.03114.58
5.5.330.0080.02115.65
5.5.320.1450.02015.49
5.5.310.0110.03015.62
5.5.300.0080.02414.56
5.5.290.0120.03214.52
5.5.280.0110.04215.89
5.5.270.0060.04915.97
5.5.260.0130.03915.99
5.5.250.0060.02915.92
5.5.240.0070.04315.56
5.5.230.0070.00711.00
5.5.220.0100.00611.10
5.5.210.0070.00711.03
5.5.200.0120.00311.12
5.5.190.0140.00010.91
5.5.180.0090.00811.08
5.5.170.0150.00814.30
5.5.160.0070.00711.05
5.5.150.0050.01110.96
5.5.140.0080.00410.57
5.5.130.0120.00310.92
5.5.120.0110.00310.94
5.5.110.0110.00611.21
5.5.100.0050.01010.80
5.5.90.0110.00311.15
5.5.80.0100.00510.76
5.5.70.0100.00711.05
5.5.60.0100.00610.97
5.5.50.0100.00310.85
5.5.40.0090.00911.04
5.5.30.0080.00811.11
5.5.20.0110.00411.02
5.5.10.0120.00510.86
5.5.00.0110.00711.00
5.4.450.0290.02415.29
5.4.440.0240.02515.15
5.4.430.0360.02015.15
5.4.420.0210.02215.39
5.4.410.0390.02215.10
5.4.400.0160.02015.12
5.4.390.0530.02414.96
5.4.380.0100.03114.77
5.4.370.0170.02914.78
5.4.360.0110.03414.84
5.4.350.0120.03114.80
5.4.340.0090.03314.75
5.4.330.0110.00411.04
5.4.320.0060.02411.75
5.4.310.0090.02411.74
5.4.300.0080.02111.79
5.4.290.0090.02111.64
5.4.280.0070.02011.74
5.4.270.0090.02211.62
5.4.260.0080.02111.61
5.4.250.0020.02911.75
5.4.240.0090.01911.66
5.4.230.0030.02611.62
5.4.220.0040.02511.74
5.4.210.0090.02211.58
5.4.200.0080.02511.56
5.4.190.0100.02411.63
5.4.180.0090.01911.65
5.4.170.0080.02111.73
5.4.160.0080.02011.66
5.4.150.0090.02011.60
5.4.140.0070.02111.47
5.4.130.0050.02411.35
5.4.120.0090.01911.47
5.4.110.0040.02311.33
5.4.100.0070.02211.42
5.4.90.0080.02111.58
5.4.80.0070.02211.47
5.4.70.0040.02511.52
5.4.60.0070.02111.46
5.4.50.0090.02011.47
5.4.40.0040.02311.31
5.4.30.0070.01911.49
5.4.20.0090.02011.49
5.4.10.0050.02311.46
5.4.00.0050.02111.11
5.3.290.0110.02111.63
5.3.280.0070.02211.56
5.3.270.0090.02111.60
5.3.260.0100.02111.60
5.3.250.0090.02011.63
5.3.240.0060.02411.55
5.3.230.0080.02111.54
5.3.220.0110.01811.60
5.3.210.0100.02011.53
5.3.200.0080.02111.54
5.3.190.0090.01911.55
5.3.180.0070.02211.53
5.3.170.0080.01911.57
5.3.160.0110.01911.62
5.3.150.0050.02511.69
5.3.140.0100.01911.52
5.3.130.0100.02011.52
5.3.120.0090.02211.53
5.3.110.0070.02611.52
5.3.100.0080.01911.25
5.3.90.0100.01911.28
5.3.80.0090.02311.23
5.3.70.0070.02011.23
5.3.60.0060.02011.32
5.3.50.0080.02011.19
5.3.40.0080.02011.24
5.3.30.0100.02111.27
5.3.20.0070.01911.05
5.3.10.0070.01911.04
5.3.00.0040.02411.03
5.2.170.0050.0199.78
5.2.160.0080.0189.78
5.2.150.0040.0209.78
5.2.140.0040.0209.78
5.2.130.0090.0149.76
5.2.120.0080.0169.76
5.2.110.0080.0149.76
5.2.100.0090.0159.76
5.2.90.0060.0179.76
5.2.80.0080.0149.76
5.2.70.0070.0179.76
5.2.60.0040.0179.73
5.2.50.0020.0219.72
5.2.40.0060.0199.71
5.2.30.0070.0199.70
5.2.20.0060.0199.69
5.2.10.0020.0229.66
5.2.00.0060.0209.59
5.1.60.0110.0099.23
5.1.50.0060.0149.23
5.1.40.0050.0179.22
5.1.30.0040.0179.39
5.1.20.0070.0139.41
5.1.10.0020.0179.27
5.1.00.0080.0149.27
5.0.50.0030.0138.51
5.0.40.0050.0108.44
5.0.30.0020.0198.34
5.0.20.0020.0168.33
5.0.10.0020.0148.32
5.0.00.0030.0218.31
4.4.90.0030.0117.58
4.4.80.0040.0097.57
4.4.70.0040.0107.57
4.4.60.0050.0127.57
4.4.50.0020.0117.58
4.4.40.0050.0167.54
4.4.30.0030.0097.57
4.4.20.0050.0097.61
4.4.10.0040.0087.61
4.4.00.0020.0167.57
4.3.110.0040.0097.53
4.3.100.0030.0107.52
4.3.90.0030.0107.51
4.3.80.0040.0137.48
4.3.70.0040.0077.51
4.3.60.0020.0107.51
4.3.50.0040.0117.50
4.3.40.0040.0177.46
4.3.30.0030.0126.84
4.3.20.0020.0116.83
4.3.10.0020.0116.81
4.3.00.0020.01012.78

preferences:
43.56 ms | 400 KiB | 5 Q