3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1, 2, 3, 4, 'a', 'b'); foreach ($a as &$value) { $value *= 2; } unset($value); print_r($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)
8.3.60.0070.01416.88
8.3.50.0100.00721.95
8.3.40.0150.00018.79
8.3.30.0100.00318.92
8.3.20.0050.00220.29
8.3.10.0060.00323.65
8.3.00.0030.00519.38
8.2.180.0070.00718.63
8.2.170.0070.00722.96
8.2.160.0090.00620.52
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00626.16
8.2.120.0040.00422.25
8.2.110.0030.00622.09
8.2.100.0070.00418.03
8.2.90.0040.00419.22
8.2.80.0030.00518.16
8.2.70.0050.00317.63
8.2.60.0030.00617.93
8.2.50.0030.00518.07
8.2.40.0030.00618.28
8.2.30.0040.00418.11
8.2.20.0040.00417.68
8.2.10.0060.00318.20
8.2.00.0040.00417.80
8.1.280.0110.00325.92
8.1.270.0040.00423.83
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00023.89
8.1.230.0080.00319.02
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0100.00017.47
8.1.190.0050.00317.54
8.1.180.0040.00718.10
8.1.170.0000.00818.37
8.1.160.0040.00421.92
8.1.150.0000.00818.63
8.1.140.0020.00517.52
8.1.130.0000.00717.92
8.1.120.0030.00317.46
8.1.110.0040.00417.43
8.1.100.0000.00817.36
8.1.90.0000.00717.52
8.1.80.0030.00317.42
8.1.70.0030.00317.39
8.1.60.0040.00417.50
8.1.50.0050.00317.39
8.1.40.0000.00717.45
8.1.30.0040.00417.62
8.1.20.0060.00317.48
8.1.10.0050.00217.45
8.1.00.0050.00217.43
8.0.300.0000.00718.77
8.0.290.0030.00617.18
8.0.280.0030.00318.35
8.0.270.0030.00317.30
8.0.260.0030.00316.89
8.0.250.0070.00016.95
8.0.240.0000.00716.98
8.0.230.0000.00817.00
8.0.220.0070.00016.96
8.0.210.0000.00717.01
8.0.200.0060.00017.00
8.0.190.0030.00616.98
8.0.180.0080.00016.93
8.0.170.0040.00416.97
8.0.160.0000.00716.82
8.0.150.0030.00316.78
8.0.140.0070.00016.91
8.0.130.0030.00313.45
8.0.120.0050.00316.78
8.0.110.0040.00416.89
8.0.100.0040.00416.83
8.0.90.0000.00816.94
8.0.80.0000.01416.90
8.0.70.0000.00716.99
8.0.60.0040.00416.98
8.0.50.0070.00016.82
8.0.30.0070.01217.30
8.0.20.0140.00917.40
8.0.10.0090.00017.11
8.0.00.0050.01416.65
7.4.330.0060.00015.00
7.4.320.0030.00316.51
7.4.300.0030.00316.48
7.4.290.0030.00316.64
7.4.280.0070.00016.50
7.4.270.0030.00316.36
7.4.260.0030.00316.43
7.4.250.0050.00316.45
7.4.240.0000.00716.52
7.4.230.0030.00616.52
7.4.220.0090.00816.63
7.4.210.0090.00616.54
7.4.200.0040.00416.39
7.4.190.0000.00816.73
7.4.160.0070.01316.60
7.4.150.0130.00617.40
7.4.140.0080.01017.86
7.4.130.0140.00516.61
7.4.120.0090.01016.57
7.4.110.0090.00916.48
7.4.100.0170.00916.37
7.4.90.0090.00916.49
7.4.80.0090.00819.39
7.4.70.0050.01116.48
7.4.60.0140.00416.63
7.4.50.0040.00416.46
7.4.40.0090.00322.77
7.4.30.0110.00716.63
7.4.00.0000.01815.05
7.3.330.0030.00313.25
7.3.320.0030.00313.17
7.3.310.0040.00416.36
7.3.300.0030.00316.23
7.3.290.0080.00616.35
7.3.280.0040.01216.29
7.3.270.0080.00817.40
7.3.260.0150.00616.45
7.3.250.0090.01016.46
7.3.240.0080.01416.48
7.3.230.0140.00316.54
7.3.210.0090.00916.40
7.3.200.0130.00619.39
7.3.190.0120.00916.60
7.3.180.0070.01016.40
7.3.170.0190.00316.32
7.3.160.0160.00316.37
7.3.120.0100.00714.79
7.2.330.0110.00616.57
7.2.320.0100.00716.66
7.2.310.0110.00716.56
7.2.300.0140.00716.66
7.2.290.0090.00916.73
7.2.80.0070.00716.71
7.2.60.0000.01117.00
7.2.00.0040.01319.11
7.1.200.0040.00816.02
7.1.100.0110.00818.23
7.1.70.0040.00417.09
7.1.60.0130.01319.33
7.1.50.0110.01134.89
7.1.00.0000.08022.51
7.0.200.0070.01016.88
7.0.140.0130.06321.92
7.0.100.0070.08019.95
7.0.90.0130.07319.90
7.0.80.0100.07019.90
7.0.70.0100.07320.02
7.0.60.0070.07319.86
7.0.50.0170.07720.35
7.0.40.0030.05320.11
7.0.30.0070.07320.15
7.0.20.0230.07020.06
7.0.10.0170.07020.14
7.0.00.0070.08020.13
5.6.280.0030.07320.90
5.6.250.0100.07320.63
5.6.240.0170.08020.67
5.6.230.0000.07020.66
5.6.220.0070.08720.49
5.6.210.0200.07020.66
5.6.200.0100.08320.89
5.6.190.0170.07021.08
5.6.180.0030.08021.04
5.6.170.0100.08321.00
5.6.160.0070.08320.93
5.6.150.0130.05721.05
5.6.140.0100.07321.04
5.6.130.0070.08721.10
5.6.120.0030.09021.04
5.6.110.0170.05321.13
5.6.100.0170.06721.05
5.6.90.0070.07721.04
5.6.80.0170.07020.32
5.6.70.0130.07320.46
5.6.60.0100.06720.47
5.6.50.0170.07320.43
5.6.40.0100.07320.41
5.6.30.0070.08020.53
5.6.20.0070.05020.36
5.6.10.0070.07720.42
5.6.00.0030.05020.28
5.5.380.0130.07020.44
5.5.370.0030.05020.44
5.5.360.0000.08020.48
5.5.350.0170.07320.37
5.5.340.0100.07720.80
5.5.330.0130.07720.88
5.5.320.0030.05320.87
5.5.310.0030.08720.75
5.5.300.0070.07020.86
5.5.290.0100.08020.88
5.5.280.0130.06720.75
5.5.270.0070.08720.89
5.5.260.0200.07020.74
5.5.250.0130.07720.61
5.5.240.0170.07320.29
5.5.230.0030.05720.29
5.5.220.0070.07020.18
5.5.210.0070.07020.27
5.5.200.0070.07020.09
5.5.190.0130.03020.14
5.5.180.0070.08320.21
5.5.160.0000.05320.10
5.5.150.0130.07020.14
5.5.140.0030.04720.24
5.5.130.0030.08320.21
5.5.120.0070.08320.23
5.5.110.0170.06720.25
5.5.100.0130.07019.98
5.5.90.0070.07720.07
5.5.80.0070.07320.14
5.5.70.0030.07020.09
5.5.60.0070.05720.02
5.5.50.0130.06020.06
5.5.40.0100.03720.04
5.5.30.0070.06720.00
5.5.20.0030.04320.02
5.5.10.0000.04320.03
5.5.00.0000.04720.13
5.4.450.0030.05719.37
5.4.440.0030.08019.41
5.4.430.0170.07319.36
5.4.420.0070.07719.20
5.4.410.0030.08319.24
5.4.400.0030.06318.88
5.4.390.0170.06018.88
5.4.380.0100.05319.11
5.4.370.0170.07318.88
5.4.360.0030.07719.04
5.4.350.0100.06019.15
5.4.340.0170.07019.14
5.4.320.0070.08319.07
5.4.310.0070.07719.21
5.4.300.0130.06319.04
5.4.290.0170.05719.23
5.4.280.0130.04319.21
5.4.270.0000.07319.02
5.4.260.0100.07719.04
5.4.250.0070.06719.20
5.4.240.0030.07319.11
5.4.230.0130.04019.17
5.4.220.0170.06719.02
5.4.210.0070.04319.18
5.4.200.0030.03719.13
5.4.190.0030.03719.13
5.4.180.0070.03319.08
5.4.170.0070.03719.11
5.4.160.0070.03319.11
5.4.150.0030.03719.01
5.4.140.0000.04016.34
5.4.130.0000.03716.18
5.4.120.0100.02716.42
5.4.110.0070.03316.48
5.4.100.0070.03316.47
5.4.90.0130.07016.29
5.4.80.0000.03716.43
5.4.70.0030.06016.32
5.4.60.0030.03716.32
5.4.50.0100.06316.41
5.4.40.0070.06016.43
5.4.30.0000.03716.29
5.4.20.0100.03716.33
5.4.10.0030.03716.48
5.4.00.0030.03315.89
5.3.290.0030.08314.72
5.3.280.0100.03714.58
5.3.270.0030.03714.67
5.3.260.0070.03314.71
5.3.250.0070.03314.59
5.3.240.0030.03314.66
5.3.230.0130.05014.68
5.3.220.0130.05714.55
5.3.210.0130.04014.45
5.3.200.0070.03014.57
5.3.190.0030.03314.63
5.3.180.0030.05314.68
5.3.170.0100.04714.56
5.3.160.0070.04314.62
5.3.150.0000.03714.70
5.3.140.0030.03714.50
5.3.130.0000.06314.65
5.3.120.0000.04014.66
5.3.110.0030.03714.66
5.3.100.0130.03314.02
5.3.90.0100.04014.02
5.3.80.0030.04013.92
5.3.70.0100.06014.02
5.3.60.0070.03314.01
5.3.50.0030.03713.86
5.3.40.0000.04313.92
5.3.30.0100.03013.89
5.3.20.0030.03713.60
5.3.10.0000.03713.66
5.3.00.0030.05313.56
5.2.170.0030.03312.54
5.2.160.0000.04312.54
5.2.150.0000.03012.54
5.2.140.0000.03012.54
5.2.130.0030.02712.54
5.2.120.0070.02312.54
5.2.110.0000.03012.54
5.2.100.0000.03012.54
5.2.90.0030.03012.54
5.2.80.0000.03312.54
5.2.70.0070.02712.54
5.2.60.0030.03012.54
5.2.50.0000.04012.54
5.2.40.0070.06012.54
5.2.30.0030.03012.54
5.2.20.0000.04312.54
5.2.10.0070.05012.54
5.2.00.0000.03312.54
5.1.60.0000.02312.54
5.1.50.0070.03312.54
5.1.40.0030.05712.54
5.1.30.0030.05012.54
5.1.20.0100.02712.54
5.1.10.0030.05312.54
5.1.00.0000.03712.54
5.0.50.0030.04012.54
5.0.40.0030.03712.54
5.0.30.0070.04312.54
5.0.20.0000.04312.54
5.0.10.0030.03312.54
5.0.00.0070.06012.54
4.4.90.0000.01712.54
4.4.80.0000.01712.54
4.4.70.0030.01012.54
4.4.60.0070.02012.54
4.4.50.0030.02712.54
4.4.40.0030.02012.54
4.4.30.0030.03712.54
4.4.20.0000.03712.54
4.4.10.0100.02712.54
4.4.00.0000.03712.54
4.3.110.0000.03712.54
4.3.100.0000.03012.54
4.3.90.0030.03312.54
4.3.80.0000.05312.54
4.3.70.0030.03312.54
4.3.60.0030.03312.54
4.3.50.0030.03312.54
4.3.40.0000.05312.54
4.3.30.0000.03712.54
4.3.20.0030.03712.54
4.3.10.0000.03712.54
4.3.00.0000.03712.54

preferences:
40.99 ms | 401 KiB | 5 Q