3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($array) { foreach ($array as $value) { var_dump($value); $array[1] = 'c'; } } $arr = array('a', 'b'); foo($arr);

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)
8.3.40.0070.00718.67
8.3.30.0100.00319.08
8.3.20.0070.00020.35
8.3.10.0050.00323.66
8.3.00.0060.00320.82
8.2.170.0110.00422.96
8.2.160.0070.00720.30
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00022.18
8.2.110.0060.00322.30
8.2.100.0000.01118.03
8.2.90.0020.00519.14
8.2.80.0040.00417.97
8.2.70.0110.00317.75
8.2.60.0030.00619.66
8.2.50.0070.00318.07
8.2.40.0000.01018.02
8.2.30.0040.00418.22
8.2.20.0050.00217.74
8.2.10.0050.00318.04
8.2.00.0070.00017.71
8.1.270.0030.00623.96
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0090.00023.96
8.1.230.0070.00419.20
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0110.00017.34
8.1.190.0060.00517.13
8.1.180.0040.00419.01
8.1.170.0050.00318.64
8.1.160.0000.00722.00
8.1.150.0000.00718.62
8.1.140.0000.00717.32
8.1.130.0030.00317.91
8.1.120.0040.00417.39
8.1.110.0050.00217.34
8.1.100.0050.00317.32
8.1.90.0050.00317.51
8.1.80.0040.00417.32
8.1.70.0080.00017.38
8.1.60.0040.00417.48
8.1.50.0070.00017.35
8.1.40.0000.00817.55
8.1.30.0050.00317.60
8.1.20.0000.00917.65
8.1.10.0040.00417.55
8.1.00.0030.00617.36
8.0.300.0040.00418.77
8.0.290.0040.00417.18
8.0.280.0030.00318.39
8.0.270.0040.00417.17
8.0.260.0060.00017.16
8.0.250.0060.00016.85
8.0.240.0060.00316.93
8.0.230.0030.00316.93
8.0.220.0000.00716.86
8.0.210.0030.00316.91
8.0.200.0050.00516.83
8.0.190.0040.00416.93
8.0.180.0000.00816.82
8.0.170.0000.00816.82
8.0.160.0000.00716.91
8.0.150.0040.00416.89
8.0.140.0040.00416.73
8.0.130.0000.00513.31
8.0.120.0040.00416.80
8.0.110.0050.00216.77
8.0.100.0050.00316.96
8.0.90.0030.00516.74
8.0.80.0030.01216.93
8.0.70.0040.00416.72
8.0.60.0000.00816.95
8.0.50.0070.00016.88
8.0.30.0110.01116.91
8.0.20.0130.00617.40
8.0.10.0040.00417.11
8.0.00.0120.00516.76
7.4.330.0030.00315.11
7.4.320.0000.00616.60
7.4.300.0030.00316.55
7.4.290.0030.00316.49
7.4.280.0000.00716.57
7.4.270.0030.00316.48
7.4.260.0060.00016.45
7.4.250.0040.00416.47
7.4.240.0030.00516.58
7.4.230.0040.00416.50
7.4.220.0070.01016.67
7.4.210.0110.00716.56
7.4.200.0070.00016.69
7.4.190.0000.00716.64
7.4.160.0060.01016.34
7.4.150.0050.01417.40
7.4.140.0100.00917.86
7.4.130.0140.00316.56
7.4.120.0070.01516.50
7.4.110.0110.00716.48
7.4.100.0130.01016.36
7.4.90.0090.01216.42
7.4.80.0240.00019.39
7.4.70.0080.00816.53
7.4.60.0130.00316.50
7.4.50.0020.00216.39
7.4.40.0110.00816.49
7.4.30.0040.01216.58
7.4.00.0030.01015.08
7.3.330.0000.00513.29
7.3.320.0000.00613.39
7.3.310.0000.00716.26
7.3.300.0000.00616.27
7.3.290.0070.01416.31
7.3.280.0110.00516.35
7.3.270.0070.01017.40
7.3.260.0070.01016.37
7.3.250.0150.00716.36
7.3.240.0060.01016.42
7.3.230.0000.01616.54
7.3.210.0110.00716.35
7.3.200.0070.01019.39
7.3.190.0030.01316.70
7.3.180.0080.00816.41
7.3.170.0080.00816.31
7.3.160.0130.00616.62
7.3.120.0350.00314.84
7.3.110.0030.01415.00
7.3.100.0000.01414.52
7.3.90.0100.01015.06
7.3.80.0030.00714.86
7.3.70.0100.00714.82
7.3.60.0140.00314.91
7.3.50.0100.00314.80
7.3.40.0030.01414.74
7.3.30.0070.00714.46
7.3.20.0060.00916.68
7.3.10.0070.00716.21
7.3.00.0070.00716.82
7.2.330.0140.00316.68
7.2.320.0070.01016.34
7.2.310.0070.01116.68
7.2.300.0040.01216.39
7.2.290.0220.00016.65
7.2.250.0000.01914.96
7.2.240.0100.00714.79
7.2.230.0070.01114.88
7.2.220.0060.00914.90
7.2.210.0000.01414.86
7.2.200.0070.01114.97
7.2.190.0060.00915.09
7.2.180.0060.00914.87
7.2.170.0060.01214.82
7.2.00.0160.00319.50
7.1.330.0030.00915.84
7.1.320.0090.00916.09
7.1.310.0070.01015.82
7.1.300.0110.00415.95
7.1.290.0080.00315.99
7.1.280.0100.00315.74
7.1.270.0100.00015.91
7.1.260.0000.01315.94
7.1.100.0080.00818.13
7.1.70.0000.01017.25
7.1.60.0030.00719.46
7.1.50.0130.01316.79
7.1.00.0070.07022.37
7.0.200.0070.00016.88
7.0.140.0070.07021.95
7.0.60.0200.07020.04
7.0.50.0100.04317.87
7.0.40.0070.05020.06
7.0.30.0230.03720.10
7.0.20.0230.08020.09
7.0.10.0070.08720.07
7.0.00.0030.08720.33
5.6.280.0000.07721.10
5.6.210.0100.04720.47
5.6.200.0030.06718.15
5.6.190.0100.07020.64
5.6.180.0370.04320.42
5.6.170.0200.05320.44
5.6.160.0070.07320.56
5.6.150.0000.06318.12
5.6.140.0100.07318.11
5.6.130.0000.08718.24
5.6.120.0170.03321.05
5.6.110.0030.08721.03
5.6.100.0030.08721.04
5.6.90.0070.06720.99
5.6.80.0100.06320.54
5.5.350.1430.03320.46
5.5.340.0000.07318.09
5.5.330.0130.08320.13
5.5.320.0300.07720.27
5.5.310.0200.03720.38
5.5.300.0100.04718.01
5.5.290.0100.07317.96
5.5.280.0070.05020.98
5.5.270.0070.06720.76
5.5.260.0200.06020.65
5.5.250.0130.07720.61
5.5.240.0070.03320.13
5.4.450.0830.07319.24
5.4.440.0900.05719.34
5.4.430.0470.05019.58
5.4.420.1000.05719.39
5.4.410.0800.05019.30
5.4.400.1070.04719.23
5.4.390.0570.06019.16
5.4.380.0130.05718.63
5.4.370.0100.05718.49
5.4.360.0130.05018.84
5.4.350.0030.06318.62
5.4.340.0100.05318.80
5.4.320.0080.03512.51
5.4.310.0090.05712.50
5.4.300.0100.03512.51
5.4.290.0050.04012.50
5.4.280.0050.03812.40
5.4.270.0100.03412.39
5.4.260.0080.03812.39
5.4.250.0050.04512.39
5.4.240.0090.03512.40
5.4.230.0080.03812.39
5.4.220.0070.04012.39
5.4.210.0080.03412.39
5.4.200.0080.03712.39
5.4.190.0130.04712.38
5.4.180.0080.04112.38
5.4.170.0070.04312.39
5.4.160.0070.04012.39
5.4.150.0110.04412.39
5.4.140.0080.04312.07
5.4.130.0090.03412.06
5.4.120.0080.03612.02
5.4.110.0080.03412.01
5.4.100.0090.03412.01
5.4.90.0050.03812.02
5.4.80.0060.03912.02
5.4.70.0070.03412.01
5.4.60.0090.03312.01
5.4.50.0050.03812.01
5.4.40.0070.03612.00
5.4.30.0070.03712.00
5.4.20.0070.03611.99
5.4.10.0060.04511.99
5.4.00.0080.03611.48
5.3.290.0030.06012.80
5.3.280.0100.04112.71
5.3.270.0110.03812.72
5.3.260.0070.04112.71
5.3.250.0100.05412.71
5.3.240.0100.04112.72
5.3.230.0130.03912.71
5.3.220.0070.04412.68
5.3.210.0080.03812.68
5.3.200.0070.03612.68
5.3.190.0040.04212.68
5.3.180.0080.04712.67
5.3.170.0030.04012.67
5.3.160.0100.03312.67
5.3.150.0080.03712.67
5.3.140.0120.04312.66
5.3.130.0110.05212.66
5.3.120.0090.05412.66
5.3.110.0090.05612.65
5.3.100.0070.04112.12
5.3.90.0060.04012.10
5.3.80.0050.03912.09
5.3.70.0060.03712.09
5.3.60.0080.03612.08
5.3.50.0090.03412.02
5.3.40.0090.03512.02
5.3.30.0090.03411.97
5.3.20.0070.03611.76
5.3.10.0060.04111.73
5.3.00.0090.04211.71
5.2.170.0070.0459.21
5.2.160.0090.0259.22
5.2.150.0040.0459.22
5.2.140.0040.0319.21
5.2.130.0050.0339.18
5.2.120.0060.0289.18
5.2.110.0060.0329.18
5.2.100.0080.0379.18
5.2.90.0070.0389.18
5.2.80.0030.0409.17
5.2.70.0080.0399.17
5.2.60.0070.0399.13
5.2.50.0050.0469.09
5.2.40.0070.0329.07
5.2.30.0050.0339.04
5.2.20.0070.0359.04
5.2.10.0040.0308.94
5.2.00.0050.0318.80
5.1.60.0040.0268.09
5.1.50.0060.0248.09
5.1.40.0040.0318.06
5.1.30.0040.0278.41
5.1.20.0040.0398.43
5.1.10.0030.0378.16
5.1.00.0030.0378.16
5.0.50.0020.0226.64
5.0.40.0030.0206.50
5.0.30.0050.0306.31
5.0.20.0030.0216.28
5.0.10.0030.0206.25
5.0.00.0040.0316.25
4.4.90.0040.0134.78
4.4.80.0010.0174.75
4.4.70.0030.0164.75
4.4.60.0010.0174.75
4.4.50.0010.0174.77
4.4.40.0030.0244.70
4.4.30.0020.0164.75
4.4.20.0030.0154.84
4.4.10.0020.0164.85
4.4.00.0020.0254.76
4.3.110.0010.0174.67
4.3.100.0020.0154.66
4.3.90.0040.0134.64
4.3.80.0020.0264.58
4.3.70.0010.0164.63
4.3.60.0020.0164.63
4.3.50.0010.0174.63
4.3.40.0040.0224.54
4.3.30.0010.0173.30
4.3.20.0020.0173.27
4.3.10.0030.0153.24
4.3.00.0130.0277.94

preferences:
34.7 ms | 400 KiB | 5 Q