3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = range(1,10); foreach ($a as &$b) { if ($b % 2) { unset($b); } } var_dump($a);

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)
8.3.70.0100.00716.63
8.3.60.0100.00716.38
8.3.50.0140.00717.49
8.3.40.0070.00718.84
8.3.30.0090.00618.63
8.3.20.0000.00718.52
8.3.10.0040.00418.70
8.3.00.0060.00319.26
8.2.180.0070.01416.50
8.2.170.0050.01022.96
8.2.160.0090.00618.88
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0080.00021.18
8.2.110.0060.01019.30
8.2.100.0040.00817.72
8.2.90.0040.00417.97
8.2.80.0040.00418.05
8.2.70.0000.00817.75
8.2.60.0040.00417.80
8.2.50.0030.00518.03
8.2.40.0040.00419.23
8.2.30.0080.00017.74
8.2.20.0090.00017.60
8.2.10.0000.00817.66
8.2.00.0000.00717.54
8.1.280.0140.00025.92
8.1.270.0110.00423.99
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0000.01021.05
8.1.230.0080.00420.88
8.1.220.0030.00617.79
8.1.210.0000.00818.95
8.1.200.0000.00817.36
8.1.190.0040.00417.35
8.1.180.0040.00418.82
8.1.170.0000.00917.62
8.1.160.0030.00318.92
8.1.150.0040.00418.64
8.1.140.0040.00417.43
8.1.130.0000.00719.27
8.1.120.0030.00517.47
8.1.110.0040.00417.45
8.1.100.0030.00317.44
8.1.90.0030.00417.43
8.1.80.0040.00417.45
8.1.70.0000.00717.43
8.1.60.0000.00817.63
8.1.50.0000.00717.40
8.1.40.0000.00817.54
8.1.30.0030.00617.55
8.1.20.0000.00817.62
8.1.10.0030.00517.38
8.1.00.0020.00517.32
8.0.300.0000.00719.93
8.0.290.0040.00416.58
8.0.280.0030.00318.57
8.0.270.0070.00017.31
8.0.260.0030.00316.86
8.0.250.0000.00816.91
8.0.240.0030.00516.84
8.0.230.0040.00416.91
8.0.220.0050.00316.78
8.0.210.0070.00016.95
8.0.200.0040.00416.78
8.0.190.0000.00916.95
8.0.180.0040.00416.79
8.0.170.0060.00316.77
8.0.160.0000.00716.86
8.0.150.0030.00616.75
8.0.140.0040.00416.76
8.0.130.0050.00013.35
8.0.120.0030.00616.87
8.0.110.0000.00816.87
8.0.100.0040.00416.67
8.0.90.0030.00316.91
8.0.80.0040.01116.84
8.0.70.0000.00816.75
8.0.60.0030.00616.91
8.0.50.0000.00716.91
8.0.30.0120.00917.03
8.0.20.0110.00717.06
8.0.10.0000.00716.95
8.0.00.0080.01016.81
7.4.330.0000.00512.97
7.4.320.0000.00616.49
7.4.300.0030.00316.45
7.4.290.0030.00716.50
7.4.280.0000.00716.50
7.4.270.0070.00016.48
7.4.260.0000.00613.29
7.4.250.0040.00416.63
7.4.240.0030.00316.60
7.4.230.0030.00316.39
7.4.220.0060.01216.55
7.4.210.0120.00616.63
7.4.200.0040.00416.69
7.4.190.0030.00616.63
7.4.160.0110.00616.66
7.4.150.0140.01116.51
7.4.140.0110.00617.86
7.4.130.0160.00316.43
7.4.120.0070.01116.59
7.4.110.0100.01316.35
7.4.100.0070.01016.58
7.4.90.0090.01216.46
7.4.80.0080.00819.39
7.4.70.0120.00916.53
7.4.60.0070.01016.36
7.4.50.0080.00016.57
7.4.40.0060.00916.37
7.4.30.0090.00916.34
7.4.00.0130.00314.96
7.3.330.0030.00313.05
7.3.320.0000.00512.98
7.3.310.0000.00816.41
7.3.300.0070.00016.27
7.3.290.0080.00916.24
7.3.280.0090.00616.24
7.3.270.0130.00416.29
7.3.260.0170.00716.25
7.3.240.0080.00916.42
7.3.230.0200.00016.61
7.3.210.0070.01116.31
7.3.200.0140.00316.28
7.3.190.0070.01416.29
7.3.180.0090.00616.19
7.3.170.0090.01216.49
7.3.160.0090.00616.14
7.3.120.0060.01215.17
7.2.330.0110.00616.56
7.2.320.0120.00916.50
7.2.310.0060.01216.37
7.2.300.0120.00616.54
7.2.290.0110.00616.73
7.2.60.0040.00817.00
7.2.00.0060.01219.20
7.1.200.0030.01315.34
7.1.100.0000.01718.11
7.1.70.0040.00417.23
7.1.60.0080.00619.25
7.1.50.0070.01516.92
7.1.00.0000.03722.27
7.0.200.0000.00916.59
7.0.140.0030.07021.95
7.0.120.0000.07022.04
7.0.60.0030.04020.07
7.0.50.0100.07717.88
7.0.40.0070.04320.03
7.0.30.0230.08720.18
7.0.20.0230.07320.04
7.0.10.0070.05320.16
7.0.00.0200.07320.04
5.6.280.0100.06721.14
5.6.210.0070.07720.76
5.6.200.0030.04318.23
5.6.190.0070.05320.49
5.6.180.0230.04720.41
5.6.170.0230.09020.51
5.6.160.0030.09020.50
5.6.150.0100.03318.20
5.6.140.0070.07718.14
5.6.130.0070.07718.13
5.6.120.0070.08321.09
5.6.110.0030.04321.00
5.6.100.0130.07021.00
5.6.90.0030.04021.00
5.6.80.0170.06720.38
5.5.350.0170.03020.46
5.5.340.0130.07717.97
5.5.330.0100.08320.41
5.5.320.2830.04020.51
5.5.310.0330.08020.28
5.5.300.0070.06318.00
5.5.290.0030.08717.98
5.5.280.0100.07720.73
5.5.270.0030.09320.66
5.5.260.0030.07720.83
5.5.250.0130.07320.58
5.5.240.0000.03320.28
5.4.450.0100.03719.23
5.4.440.0130.04019.41
5.4.430.0100.04019.21
5.4.420.0230.07319.53
5.4.410.0100.06319.25
5.4.400.0100.04019.16
5.4.390.0170.06319.24
5.4.380.0070.07018.74
5.4.370.0200.07018.93
5.4.360.0070.08018.92
5.4.350.0130.04019.13
5.4.340.0100.06019.13
5.4.320.0170.04319.21
5.4.310.0130.07319.09
5.4.300.0100.05318.91
5.4.290.0170.07018.88
5.4.280.0170.07018.88
5.4.270.0200.06719.23
5.4.260.0200.04318.77
5.4.250.0130.06019.09
5.4.240.0100.04019.15
5.4.230.0130.07319.25
5.4.220.0200.05718.91
5.4.210.0170.07319.07
5.4.200.0170.06719.20
5.4.190.0130.06318.76
5.4.180.0170.04719.15
5.4.170.0100.06019.03
5.4.160.0100.04719.10
5.4.150.0130.03719.01
5.4.140.0170.04016.45
5.4.130.0130.05016.54
5.4.120.0200.06016.45
5.4.110.0130.06316.42
5.4.100.0070.07716.39
5.4.90.0130.07016.41
5.4.80.0170.05016.34
5.4.70.0130.03316.38
5.4.60.0030.05016.28
5.4.50.0070.04016.36
5.4.40.0100.03716.36
5.4.30.0070.05016.43
5.4.20.0130.06716.15
5.4.10.0070.07316.39
5.4.00.0070.04315.82
5.3.290.0130.07714.63
5.3.280.0200.04314.42
5.3.270.0130.07314.65
5.3.260.0200.03714.62
5.3.250.0100.05714.55
5.3.240.0170.04014.43
5.3.230.0200.02714.64
5.3.220.0100.06014.51
5.3.210.0070.05014.43
5.3.200.0130.05014.44
5.3.190.0130.04314.61
5.3.180.0170.07314.46
5.3.170.0170.03314.51
5.3.160.0130.04014.51
5.3.150.0070.07314.39
5.3.140.0100.04314.43
5.3.130.0070.05314.41
5.3.120.0070.04714.56
5.3.110.0200.03014.45
5.3.100.0200.03313.89
5.3.90.0130.03313.89
5.3.80.0100.04014.03
5.3.70.0170.06314.11
5.3.60.0100.04314.02
5.3.50.0130.07313.89
5.3.40.0030.07013.74
5.3.30.0200.05713.77
5.3.20.0100.06313.75
5.3.10.0130.07013.49
5.3.00.0170.04313.69
5.2.170.0100.04012.18
5.2.160.0100.03312.18
5.2.150.0130.02712.18
5.2.140.0130.02712.18
5.2.130.0100.02712.18
5.2.120.0130.05712.18
5.2.110.0030.03312.18
5.2.100.0100.02712.18
5.2.90.0100.03312.18
5.2.80.0170.05312.18
5.2.70.0130.03012.18
5.2.60.0070.04312.18
5.2.50.0100.03012.18
5.2.40.0070.06012.18
5.2.30.0100.04712.18
5.2.20.0170.04712.18
5.2.10.0070.04712.18
5.2.00.0100.04712.18
5.1.60.0070.04712.18
5.1.50.0130.02312.18
5.1.40.0070.05012.18
5.1.30.0030.02712.18
5.1.20.0030.05312.18
5.1.10.0070.02712.18
5.1.00.0030.02712.18
5.0.50.0000.02012.18
5.0.40.0000.02312.18
5.0.30.0000.06012.18
5.0.20.0070.02312.18
5.0.10.0030.04312.18
5.0.00.0030.04712.18
4.4.90.0070.01312.18
4.4.80.0030.03712.18
4.4.70.0000.01712.18
4.4.60.0000.02712.18
4.4.50.0030.03012.18
4.4.40.0030.02712.18
4.4.30.0070.02312.18
4.4.20.0070.01712.18
4.4.10.0000.03312.18
4.4.00.0070.03712.18
4.3.110.0000.03312.18
4.3.100.0000.02012.18
4.3.90.0030.02712.18
4.3.80.0100.03312.18
4.3.70.0000.02712.18
4.3.60.0100.01312.18
4.3.50.0000.01712.18
4.3.40.0000.02312.18
4.3.30.0030.03312.18
4.3.20.0030.03012.18
4.3.10.0070.02712.18
4.3.00.0000.02312.18

preferences:
84.52 ms | 401 KiB | 5 Q