3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['foo'=>1, 'bar'=>2]; foreach($array as $k=>&$v) { $array['bernard']=3; echo key($v); }

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)
8.3.40.0090.00918.96
8.3.30.0090.00619.21
8.3.20.0080.00020.27
8.3.10.0040.00422.09
8.3.00.0030.00522.46
8.2.170.0070.01322.96
8.2.160.0110.00319.34
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0100.00326.16
8.2.120.0110.00717.75
8.2.110.0030.00621.10
8.2.100.0110.00017.84
8.2.90.0090.00017.97
8.2.80.0000.00817.97
8.2.70.0000.00818.03
8.2.60.0040.00418.09
8.2.50.0040.00418.10
8.2.40.0030.00619.34
8.2.30.0000.00818.18
8.2.20.0000.00717.65
8.2.10.0050.00319.55
8.2.00.0000.00817.73
8.1.270.0040.00422.19
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00023.92
8.1.230.0000.01222.73
8.1.220.0030.00617.74
8.1.210.0080.00020.04
8.1.200.0000.00917.23
8.1.190.0030.00617.25
8.1.180.0060.00318.10
8.1.170.0040.00418.70
8.1.160.0030.00621.99
8.1.150.0040.00418.63
8.1.140.0070.00017.32
8.1.130.0030.00617.88
8.1.120.0000.00717.39
8.1.110.0030.00517.49
8.1.100.0050.00217.39
8.1.90.0000.00717.49
8.1.80.0070.00017.46
8.1.70.0000.00717.42
8.1.60.0070.00317.59
8.1.50.0040.00417.53
8.1.40.0040.00417.54
8.1.30.0040.00417.62
8.1.20.0030.00617.60
8.1.10.0030.00617.64
8.1.00.0030.00617.52
8.0.300.0040.00421.95
8.0.290.0040.00416.75
8.0.280.0030.00318.53
8.0.270.0000.00717.25
8.0.260.0030.00316.79
8.0.250.0030.00317.04
8.0.240.0070.00016.92
8.0.230.0030.00617.00
8.0.220.0070.00016.95
8.0.210.0070.00016.97
8.0.200.0000.00717.05
8.0.190.0000.00717.00
8.0.180.0030.00317.02
8.0.170.0050.00216.96
8.0.160.0080.00016.82
8.0.150.0000.00716.93
8.0.140.0040.00416.87
8.0.130.0050.00013.36
8.0.120.0030.00616.95
8.0.110.0000.00816.85
8.0.100.0080.00016.89
8.0.90.0050.00216.98
8.0.80.0090.00617.00
8.0.70.0000.00716.94
8.0.60.0000.00716.89
8.0.50.0000.00716.85
8.0.30.0090.00917.13
8.0.20.0130.00517.40
8.0.10.0000.00717.14
8.0.00.0060.01116.76
7.4.330.0000.00515.00
7.4.320.0030.00316.50
7.4.300.0000.00616.42
7.4.290.0030.00316.42
7.4.280.0000.00716.49
7.4.270.0000.00716.64
7.4.260.0030.00316.49
7.4.250.0070.00016.48
7.4.240.0050.00216.63
7.4.230.0030.00316.61
7.4.220.0100.00716.60
7.4.210.0060.01116.51
7.4.200.0030.00416.65
7.4.190.0040.00416.54
7.4.160.0090.00616.79
7.4.150.0150.00617.40
7.4.140.0080.01317.86
7.4.130.0150.00316.52
7.4.120.0100.00716.52
7.4.110.0070.01016.48
7.4.100.0070.01016.54
7.4.90.0080.00816.59
7.4.80.0100.01019.39
7.4.70.0060.01016.47
7.4.60.0060.00916.65
7.4.50.0000.00616.49
7.4.40.0000.01622.77
7.4.30.0070.01316.48
7.4.00.0050.01115.10
7.3.330.0050.00013.08
7.3.320.0050.00013.30
7.3.310.0040.00416.31
7.3.300.0080.00016.40
7.3.290.0080.00816.38
7.3.280.0090.00816.37
7.3.270.0130.00317.40
7.3.260.0100.01016.54
7.3.250.0110.01016.64
7.3.240.0100.00716.55
7.3.230.0040.01316.39
7.3.210.0100.02216.47
7.3.200.0100.01319.39
7.3.190.0080.00816.41
7.3.180.0130.00616.48
7.3.170.0090.01516.34
7.3.160.0070.01116.56
7.3.120.0050.01214.93
7.3.110.0140.00314.89
7.3.100.0070.00714.96
7.3.90.0030.00914.98
7.3.80.0040.01115.11
7.3.70.0000.00914.54
7.3.60.0070.00714.91
7.3.50.0040.00415.03
7.3.40.0040.01114.98
7.3.30.0070.01014.60
7.3.20.0070.00716.88
7.3.10.0060.00916.73
7.3.00.0070.00416.34
7.2.330.0150.00316.71
7.2.320.0090.00916.53
7.2.310.0110.00616.55
7.2.300.0170.00316.67
7.2.290.0030.01416.86
7.2.250.0030.01314.94
7.2.240.0130.00615.15
7.2.230.0070.01015.10
7.2.220.0030.00914.95
7.2.210.0110.00714.72
7.2.200.0110.00015.13
7.2.190.0030.01115.09
7.2.180.0070.00314.92
7.2.170.0040.01114.90
7.2.00.0030.01019.07
7.1.330.0060.01015.87
7.1.320.0080.00415.70
7.1.310.0060.00615.54
7.1.300.0090.00615.87
7.1.290.0090.00315.92
7.1.280.0070.00716.00
7.1.270.0000.01315.79
7.1.260.0060.00915.54
7.1.100.0060.00618.32
7.1.70.0040.00416.79
7.1.60.0030.02119.82
7.1.50.0000.01016.94
7.1.00.0100.07022.33
7.0.200.0070.00716.82
7.0.140.0100.06721.97
7.0.100.0330.07019.88
7.0.90.0470.08019.86
7.0.80.0400.09319.83
7.0.70.0470.07719.89
7.0.60.0370.07320.04
7.0.50.0370.07720.30
7.0.40.0170.07020.04
7.0.30.0100.06020.09
7.0.20.0000.06020.08
7.0.10.0230.05720.18
7.0.00.0130.07320.08
5.6.280.0000.07721.04
5.6.250.0130.07020.55
5.6.240.0170.06320.46
5.6.230.0130.03720.57
5.6.220.0030.08020.56
5.6.210.0000.09020.42
5.6.200.0030.04721.08
5.6.190.0030.08721.11
5.6.180.0100.08021.00
5.6.170.0070.07720.96
5.6.160.0200.06321.10
5.6.150.0170.06021.04
5.6.140.0070.07721.09
5.6.130.0030.09021.07
5.6.120.0130.08021.16
5.6.110.0030.05321.09
5.6.100.0100.07721.06
5.6.90.0130.07721.06
5.6.80.0030.08720.55
5.6.70.0030.08320.39
5.6.60.0130.07720.53
5.6.50.0030.05020.51
5.6.40.0000.08720.38
5.6.30.0100.05020.31
5.6.20.0170.07020.41
5.6.10.0170.06320.36
5.6.00.0130.07720.29
5.5.380.0000.08720.32
5.5.370.0030.07720.51
5.5.360.0130.07020.38
5.5.350.0070.05020.32
5.5.340.0100.06320.78
5.5.330.0000.08720.73
5.5.320.0200.07020.80
5.5.310.0100.06720.88
5.5.300.0000.07020.88
5.5.290.0030.08320.72
5.5.280.0100.08320.63
5.5.270.0070.08320.75
5.5.260.0070.06320.75
5.5.250.0070.04720.67
5.5.240.0130.04720.18
5.5.230.0100.07020.16
5.5.220.0100.07720.26
5.5.210.0030.04720.28
5.5.200.0030.07020.27
5.5.190.0030.08320.18
5.5.180.0070.08019.97
5.5.160.0030.07720.26
5.5.150.0030.07320.23
5.5.140.0100.07020.17
5.5.130.0030.08020.20
5.5.120.0070.07720.24
5.5.110.0070.07720.17
5.5.100.0070.07020.16
5.5.90.0100.07320.06
5.5.80.0100.06720.12
5.5.70.0070.07720.00
5.5.60.0030.05720.14
5.5.50.0000.07719.99
5.5.40.0070.06720.03
5.5.30.0030.08020.13
5.5.20.0070.08020.04
5.5.10.0070.06319.96
5.5.00.0130.07320.01
5.4.450.0070.04719.40
5.4.440.0070.07719.14
5.4.430.0070.07719.27
5.4.420.0130.06319.46
5.4.410.0130.03719.01
5.4.400.0070.08019.13
5.4.390.0130.06718.82
5.4.380.0100.04318.81
5.4.370.0070.07019.03
5.4.360.0070.06319.05
5.4.350.0030.08019.03
5.4.340.0070.08018.79
5.4.320.0100.04318.98
5.4.310.0030.08018.81
5.4.300.0130.07318.79
5.4.290.0070.07018.81
5.4.280.0070.06018.94
5.4.270.0030.07018.96
5.4.260.0100.07319.11
5.4.250.0000.08318.95
5.4.240.0030.07719.05
5.4.230.0030.06019.13
5.4.220.0070.04319.04
5.4.210.0100.07018.97
5.4.200.0070.07719.07
5.4.190.0030.04019.14
5.4.180.0000.08019.21
5.4.170.0030.06718.77
5.4.160.0070.07319.12
5.4.150.0100.07318.76
5.4.140.0070.07316.36
5.4.130.0070.07016.25
5.4.120.0030.06716.37
5.4.110.0100.07016.40
5.4.100.0070.07316.44
5.4.90.0070.07716.21
5.4.80.0100.07016.40
5.4.70.0030.07716.20
5.4.60.0070.04016.35
5.4.50.0030.06716.39
5.4.40.0100.06716.27
5.4.30.0100.06716.40
5.4.20.0070.07316.39
5.4.10.0100.07016.31
5.4.00.0000.07015.70
5.3.290.0130.06314.49
5.3.280.0030.07714.59
5.3.270.0130.07314.54
5.3.260.0070.07714.60
5.3.250.0070.06714.59
5.3.240.0070.07714.47
5.3.230.0070.07714.52
5.3.220.0030.06314.53
5.3.210.0070.07314.58
5.3.200.0070.07714.54
5.3.190.0070.07714.50
5.3.180.0070.07014.47
5.3.170.0030.07714.52
5.3.160.0070.07714.43
5.3.150.0030.07714.57
5.3.140.0100.03714.50
5.3.130.0070.04314.54
5.3.120.0030.07314.55
5.3.110.0000.05714.54
5.3.100.0070.08313.98
5.3.90.0030.04313.88
5.3.80.0200.06013.87
5.3.70.0100.06713.77
5.3.60.0070.04013.79
5.3.50.0070.04313.70
5.3.40.0100.07313.89
5.3.30.0030.06013.90
5.3.20.0000.04313.55
5.3.10.0070.06013.62
5.3.00.0100.03313.64
5.2.170.0030.06312.31
5.2.160.0070.04012.31
5.2.150.0070.05312.31
5.2.140.0000.04712.31
5.2.130.0000.06312.31
5.2.120.0000.06012.31
5.2.110.0030.06012.31
5.2.100.0030.05712.31
5.2.90.0030.05012.31
5.2.80.0000.04312.31
5.2.70.0000.06012.31
5.2.60.0030.05712.31
5.2.50.0030.05312.31
5.2.40.0030.06312.31
5.2.30.0030.05712.31
5.2.20.0070.05712.31
5.2.10.0200.03712.31
5.2.00.0030.03712.31
5.1.60.0030.05012.31
5.1.50.0070.04712.31
5.1.40.0000.05312.31
5.1.30.0000.05712.31
5.1.20.0030.04312.31
5.1.10.0000.04712.31
5.1.00.0000.03312.31
5.0.50.0000.02712.31
5.0.40.0030.04312.31
5.0.30.0000.05712.31
5.0.20.0000.02012.31
5.0.10.0030.04712.31
5.0.00.0030.05712.31
4.4.90.0030.02712.31
4.4.80.0100.03312.31
4.4.70.0000.03312.31
4.4.60.0030.01712.31
4.4.50.0000.03012.31
4.4.40.0000.05312.31
4.4.30.0000.04012.31
4.4.20.0030.03012.31
4.4.10.0030.03012.31
4.4.00.0130.04012.31
4.3.110.0070.03012.31
4.3.100.0030.03012.31
4.3.90.0100.00712.31
4.3.80.0100.02312.31
4.3.70.0000.03312.31
4.3.60.0030.03312.31
4.3.50.0030.03012.31
4.3.40.0030.04312.31
4.3.30.0030.03312.31
4.3.20.0000.03712.31
4.3.10.0030.02712.31
4.3.00.0000.02712.31

preferences:
47.27 ms | 400 KiB | 5 Q