3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a', 'b'); foreach ($arr as &$a) { var_dump($a); } reset($arr); foreach ($arr as $a) { var_dump($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)
8.3.60.0130.00718.29
8.3.50.0090.01122.04
8.3.40.0140.00718.75
8.3.30.0140.00019.00
8.3.20.0080.00020.39
8.3.10.0000.00820.53
8.3.00.0050.00319.13
8.2.180.0000.01416.50
8.2.170.0040.01122.96
8.2.160.0030.01020.44
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0040.00422.06
8.2.110.0040.00420.52
8.2.100.0040.00817.84
8.2.90.0040.00419.27
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0070.00317.68
8.2.50.0030.00518.07
8.2.40.0040.00418.03
8.2.30.0100.00019.24
8.2.20.0000.00717.62
8.2.10.0000.00718.06
8.2.00.0000.00717.77
8.1.280.0000.01525.92
8.1.270.0000.00822.01
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.05
8.1.230.0090.00317.45
8.1.220.0000.00817.77
8.1.210.0000.00918.77
8.1.200.0090.00017.25
8.1.190.0000.00817.36
8.1.180.0040.00418.10
8.1.170.0090.00318.53
8.1.160.0030.00322.05
8.1.150.0080.00318.88
8.1.140.0070.00017.45
8.1.130.0030.00317.73
8.1.120.0070.00017.41
8.1.110.0000.00817.47
8.1.100.0000.00817.45
8.1.90.0030.00317.34
8.1.80.0000.00717.43
8.1.70.0070.00017.41
8.1.60.0030.00517.61
8.1.50.0030.00617.43
8.1.40.0050.00317.52
8.1.30.0080.00017.46
8.1.20.0050.00317.67
8.1.10.0040.00417.53
8.1.00.0040.00417.46
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0070.00018.49
8.0.270.0000.00717.36
8.0.260.0000.00617.32
8.0.250.0030.00317.00
8.0.240.0020.00516.94
8.0.230.0070.00016.98
8.0.220.0030.00316.91
8.0.210.0000.00716.76
8.0.200.0030.00317.00
8.0.190.0030.00316.93
8.0.180.0040.00416.76
8.0.170.0000.00816.82
8.0.160.0000.00716.92
8.0.150.0080.00016.86
8.0.140.0040.00416.85
8.0.130.0000.00513.34
8.0.120.0050.00316.88
8.0.110.0030.00616.83
8.0.100.0040.00416.69
8.0.90.0070.00016.92
8.0.80.0000.01416.84
8.0.70.0000.00716.67
8.0.60.0000.00816.89
8.0.50.0070.00016.76
8.0.30.0130.00817.11
8.0.20.0190.01417.40
8.0.10.0030.00317.02
8.0.00.0100.01116.76
7.4.330.0000.00515.20
7.4.320.0030.00316.50
7.4.300.0040.00416.55
7.4.290.0030.00316.49
7.4.280.0070.00016.59
7.4.270.0030.00316.41
7.4.260.0000.00716.56
7.4.250.0000.00716.47
7.4.240.0040.00416.59
7.4.230.0000.00716.38
7.4.220.0030.01416.45
7.4.210.0150.00316.50
7.4.200.0030.00616.39
7.4.160.0090.00916.48
7.4.150.0190.00717.40
7.4.140.0090.00917.86
7.4.130.0100.00916.52
7.4.120.0060.01216.52
7.4.110.0090.01216.69
7.4.100.0050.01416.52
7.4.90.0040.01516.36
7.4.80.0090.01219.37
7.4.70.0100.00716.52
7.4.60.0060.01016.41
7.4.50.0050.00316.38
7.4.40.0110.01016.26
7.4.30.0000.01616.48
7.4.00.0110.00415.05
7.3.330.0000.00513.17
7.3.320.0000.00713.03
7.3.310.0000.00716.23
7.3.300.0070.00016.25
7.3.290.0070.00716.32
7.3.280.0100.00916.22
7.3.270.0110.01117.40
7.3.260.0090.00916.34
7.3.250.0140.00516.53
7.3.240.0050.01516.54
7.3.230.0120.00316.50
7.3.210.0160.00616.27
7.3.200.0150.00619.39
7.3.190.0170.00016.31
7.3.180.0100.00516.23
7.3.170.0060.01216.45
7.3.160.0030.01416.55
7.3.10.0040.01216.40
7.3.00.0040.00716.14
7.2.330.0080.01116.56
7.2.320.0040.01316.77
7.2.310.0130.00616.37
7.2.300.0060.01216.64
7.2.290.0060.01316.50
7.2.130.0120.00016.58
7.2.120.0130.00716.46
7.2.110.0040.00716.43
7.2.100.0080.01116.36
7.2.90.0070.01516.36
7.2.80.0230.00716.41
7.2.70.0120.01116.23
7.2.60.0080.01316.65
7.2.50.0160.01316.49
7.2.40.0120.00516.61
7.2.30.0120.00616.43
7.2.20.0120.01216.22
7.2.10.0150.00516.13
7.2.00.0100.00917.94
7.1.250.0090.00915.41
7.1.100.0040.01118.24
7.1.70.0030.00717.13
7.1.60.0070.00719.32
7.1.50.0000.01116.90
7.1.00.0030.07722.34
7.0.200.0000.01016.61
7.0.140.0070.07021.97
7.0.60.0030.06319.89
7.0.50.0030.06317.88
7.0.40.0070.08720.04
7.0.30.0270.08020.02
7.0.20.0230.06720.17
7.0.10.0070.08020.02
7.0.00.0030.04320.04
5.6.280.0030.07320.89
5.6.210.0070.08720.66
5.6.200.0130.08018.19
5.6.190.0030.07020.61
5.6.180.0200.04020.41
5.6.170.0270.05720.40
5.6.160.0030.06020.48
5.6.150.0130.07718.13
5.6.140.0030.05018.11
5.6.130.0100.08018.15
5.6.120.0030.06021.11
5.6.110.0070.03721.05
5.6.100.0030.04321.13
5.6.90.0070.03721.02
5.6.80.0030.03720.36
5.5.350.0070.08020.46
5.5.340.0030.05717.88
5.5.330.0030.04320.19
5.5.320.0230.08720.50
5.5.310.0200.04320.41
5.5.300.0030.04317.96
5.5.290.0230.06017.97
5.5.280.0070.08320.77
5.5.270.0100.08320.73
5.5.260.0070.07720.83
5.5.250.0000.06320.64
5.5.240.0230.07020.15
5.4.450.0570.02719.14
5.4.440.0930.06019.45
5.4.430.0970.06319.48
5.4.420.0800.00019.64
5.4.410.0730.00019.21
5.4.400.0630.00019.18
5.4.390.0600.00019.05
5.4.380.0370.07018.55
5.4.370.0400.04318.77
5.4.360.0200.06718.63
5.4.350.0200.05718.71
5.4.340.0370.04718.72
5.4.320.0110.03512.46
5.4.310.0070.04012.45
5.4.300.0050.03812.46
5.4.290.0080.04312.45
5.4.280.0060.04012.35
5.4.270.0080.03512.35
5.4.260.0110.05212.35
5.4.250.0060.03812.35
5.4.240.0090.03712.35
5.4.230.0100.04612.34
5.4.220.0040.04012.34
5.4.210.0040.04112.34
5.4.200.0080.03512.34
5.4.190.0080.03612.34
5.4.180.0070.03912.34
5.4.170.0080.03712.35
5.4.160.0050.03612.35
5.4.150.0080.04212.34
5.4.140.0070.03712.02
5.4.130.0070.03312.01
5.4.120.0050.03511.97
5.4.110.0070.03411.96
5.4.100.0060.03511.97
5.4.90.0080.03411.97
5.4.80.0050.03911.97
5.4.70.0070.03911.96
5.4.60.0070.03311.96
5.4.50.0060.03511.96
5.4.40.0040.03811.95
5.4.30.0090.03511.95
5.4.20.0070.03411.95
5.4.10.0050.03711.95
5.4.00.0060.03511.43
5.3.290.0040.04112.80
5.3.280.0060.04612.71
5.3.270.0090.04412.72
5.3.260.0040.04112.72
5.3.250.0080.03812.72
5.3.240.0080.03512.72
5.3.230.0070.03912.71
5.3.220.0060.03812.68
5.3.210.0030.04212.68
5.3.200.0070.03912.68
5.3.190.0050.04212.68
5.3.180.0070.04112.67
5.3.170.0070.04012.67
5.3.160.0070.03712.67
5.3.150.0080.03612.67
5.3.140.0050.04412.66
5.3.130.0060.04512.66
5.3.120.0040.04212.66
5.3.110.0060.03812.66
5.3.100.0090.03512.12
5.3.90.0080.03412.08
5.3.80.0070.03512.07
5.3.70.0060.03612.07
5.3.60.0050.03812.06
5.3.50.0080.03412.00
5.3.40.0080.03412.00
5.3.30.0060.04311.94
5.3.20.0070.03311.72
5.3.10.0030.03811.69
5.3.00.0080.03511.68
5.2.170.0040.0319.18
5.2.160.0060.0399.18
5.2.150.0030.0329.18
5.2.140.0050.0309.17
5.2.130.0060.0329.14
5.2.120.0060.0289.13
5.2.110.0040.0309.14
5.2.100.0060.0289.14
5.2.90.0070.0299.14
5.2.80.0010.0339.13
5.2.70.0040.0319.14
5.2.60.0060.0299.09
5.2.50.0030.0319.06
5.2.40.0090.0259.04
5.2.30.0050.0299.01
5.2.20.0030.0309.00
5.2.10.0100.0258.92
5.2.00.0040.0308.77
5.1.60.0060.0248.06
5.1.50.0060.0268.06
5.1.40.0050.0248.04
5.1.30.0060.0288.39
5.1.20.0050.0288.41
5.1.10.0050.0248.13
5.1.00.0050.0238.14
5.0.50.0050.0196.61
5.0.40.0020.0206.47
5.0.30.0050.0296.29
5.0.20.0050.0176.26
5.0.10.0030.0216.23
5.0.00.0030.0316.23
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0040.0144.76
4.4.60.0020.0164.76
4.4.50.0020.0164.77
4.4.40.0020.0344.71
4.4.30.0030.0154.76
4.4.20.0030.0154.85
4.4.10.0030.0154.85
4.4.00.0010.0264.76
4.3.110.0050.0134.67
4.3.100.0060.0124.66
4.3.90.0040.0134.64
4.3.80.0030.0234.59
4.3.70.0010.0174.63
4.3.60.0050.0134.63
4.3.50.0010.0184.63
4.3.40.0030.0234.54
4.3.30.0030.0153.29
4.3.20.0010.0173.27
4.3.10.0020.0163.22
4.3.00.0370.01315.62

preferences:
43.29 ms | 401 KiB | 5 Q