3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = function ($arguments, $str) { if (!is_string($str)) { return $str; } return strtolower($str); }; var_dump($a('AAA'));

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)
8.3.70.0120.00316.88
8.3.60.0000.01516.63
8.3.50.0080.00821.09
8.3.40.0170.00318.96
8.3.30.0040.01119.09
8.3.20.0040.00420.10
8.3.10.0040.00421.74
8.3.00.0050.00318.00
8.2.180.0080.00818.41
8.2.170.0150.00322.96
8.2.160.0070.00720.44
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00319.35
8.2.110.0140.00719.30
8.2.100.0040.01017.84
8.2.90.0000.00719.26
8.2.80.0000.00817.97
8.2.70.0060.00317.38
8.2.60.0070.00318.05
8.2.50.0000.00818.07
8.2.40.0040.00418.21
8.2.30.0000.01018.24
8.2.20.0040.00417.81
8.2.10.0030.00618.16
8.2.00.0040.00417.72
8.1.280.0100.00725.92
8.1.270.0040.00423.95
8.1.260.0030.00626.35
8.1.250.0070.00028.09
8.1.240.0080.00022.02
8.1.230.0080.00418.83
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0050.00317.25
8.1.180.0030.00518.10
8.1.170.0080.00018.50
8.1.160.0040.00422.01
8.1.150.0040.00418.83
8.1.140.0000.00717.39
8.1.130.0000.00717.77
8.1.120.0050.00317.45
8.1.110.0000.00717.48
8.1.100.0040.00317.39
8.1.90.0090.00017.49
8.1.80.0020.00517.50
8.1.70.0070.00017.35
8.1.60.0050.00317.57
8.1.50.0030.00517.50
8.1.40.0040.00417.50
8.1.30.0000.00817.54
8.1.20.0070.00017.68
8.1.10.0060.00317.43
8.1.00.0000.00817.50
8.0.300.0040.00418.77
8.0.290.0050.00216.63
8.0.280.0070.00018.33
8.0.270.0040.00417.19
8.0.260.0000.00817.13
8.0.250.0030.00316.97
8.0.240.0080.00016.84
8.0.230.0000.00716.93
8.0.220.0040.00416.92
8.0.210.0030.00516.90
8.0.200.0000.00716.90
8.0.190.0000.00717.03
8.0.180.0000.00716.99
8.0.170.0030.00616.84
8.0.160.0030.00316.91
8.0.150.0080.00016.78
8.0.140.0070.00016.86
8.0.130.0030.00313.32
8.0.120.0040.00416.89
8.0.110.0000.00716.88
8.0.100.0050.00317.01
8.0.90.0000.00716.80
8.0.80.0080.00816.96
8.0.70.0040.00416.88
8.0.60.0040.00416.80
8.0.50.0000.00816.82
8.0.30.0090.00916.90
8.0.20.0090.00917.43
8.0.10.0040.00417.14
8.0.00.0080.00816.95
7.4.330.0020.00215.15
7.4.320.0030.00316.59
7.4.300.0000.00616.59
7.4.290.0030.00316.65
7.4.280.0080.00016.60
7.4.270.0070.00016.64
7.4.260.0030.00516.57
7.4.250.0000.00716.37
7.4.240.0020.00516.47
7.4.230.0000.00716.34
7.4.220.0090.00616.54
7.4.210.0000.01416.54
7.4.200.0000.00816.39
7.4.160.0060.00916.43
7.4.150.0110.00817.40
7.4.140.0090.00817.86
7.4.130.0070.01016.65
7.4.120.0110.00616.54
7.4.110.0200.00616.55
7.4.100.0140.00616.43
7.4.90.0080.01116.55
7.4.80.0080.00819.39
7.4.70.0070.01016.50
7.4.60.0030.02216.52
7.4.50.0060.00316.51
7.4.40.0160.00016.47
7.4.30.0030.01216.52
7.4.00.0030.01015.08
7.3.330.0040.00413.30
7.3.320.0000.00613.35
7.3.310.0070.00016.36
7.3.300.0070.00016.30
7.3.290.0040.01216.22
7.3.280.0090.00716.30
7.3.270.0160.00617.40
7.3.260.0150.00316.34
7.3.250.0090.01216.40
7.3.240.0110.00816.33
7.3.230.0080.00816.51
7.3.210.0130.01016.33
7.3.200.0120.00919.39
7.3.190.0150.00716.38
7.3.180.0070.01116.27
7.3.170.0110.00616.40
7.3.160.0060.00916.42
7.3.120.0120.00615.05
7.2.330.0100.01016.66
7.2.320.0100.00716.63
7.2.310.0110.00616.32
7.2.300.0080.00816.66
7.2.290.0060.01016.35
7.2.60.0030.01016.93
7.2.00.0070.00719.34
7.1.200.0070.00715.40
7.1.70.0030.00617.22
7.1.60.0040.00717.13
7.1.50.0110.00716.89
7.1.00.0070.07322.54
7.0.200.0040.01416.84
7.0.140.0070.07022.22
7.0.60.0130.07720.07
7.0.50.0070.07317.96
7.0.40.0070.08720.11
7.0.30.0230.04720.34
7.0.20.0200.05320.26
7.0.10.0030.08720.19
7.0.00.0100.05020.18
5.6.280.0030.07321.08
5.6.210.0030.07320.62
5.6.200.0000.09018.17
5.6.190.0030.04320.41
5.6.180.3400.03720.55
5.6.170.0330.07320.54
5.6.160.0130.05020.54
5.6.150.0170.04318.27
5.6.140.0070.04018.14
5.6.130.0070.03718.19
5.6.120.0070.06721.14
5.6.110.0130.07720.99
5.6.100.0100.06021.13
5.6.90.0030.08720.98
5.6.80.0000.04720.51
5.6.70.3300.03720.50
5.5.350.0000.08720.44
5.5.340.0070.07718.07
5.5.330.0070.06320.35
5.5.320.0400.07020.34
5.5.310.0270.03320.38
5.5.300.0030.08318.02
5.5.290.0100.08717.94
5.5.280.0200.06320.85
5.5.270.0100.08320.77
5.5.260.0100.08020.79
5.5.250.0070.06320.70
5.5.240.0270.07720.07
5.4.450.0470.05019.17
5.4.440.0900.07319.30
5.4.430.0170.04719.42
5.4.420.0130.06019.42
5.4.410.0130.05019.03
5.4.400.0170.04718.77
5.4.390.0130.06318.72
5.4.380.0130.06018.79
5.4.370.0200.05018.76
5.4.360.0070.03718.80
5.4.350.0100.04312.02
5.4.340.0070.04912.01
5.4.320.0030.04012.51
5.4.310.0040.03812.50
5.4.300.0070.03512.51
5.4.290.0030.05212.50
5.4.280.0080.03412.39
5.4.270.0030.04312.39
5.4.260.0090.04012.39
5.4.250.0070.03812.39
5.4.240.0090.03712.40
5.4.230.0040.04012.39
5.4.220.0070.04412.39
5.4.210.0050.03612.39
5.4.200.0080.04412.39
5.4.190.0050.03612.38
5.4.180.0040.03712.38
5.4.170.0080.03512.39
5.4.160.0050.04212.39
5.4.150.0060.04412.39
5.4.140.0040.05412.07
5.4.130.0110.04412.06
5.4.120.0050.04712.02
5.4.110.0060.03712.01
5.4.100.0090.03212.01
5.4.90.0090.03512.01
5.4.80.0040.03812.02
5.4.70.0070.03312.01
5.4.60.0060.03512.00
5.4.50.0050.03812.01
5.4.40.0060.03712.00
5.4.30.0080.03412.00
5.4.20.0030.03812.00
5.4.10.0050.03811.99
5.4.00.0070.03511.48
5.3.290.0060.04112.80
5.3.280.0030.04212.70
5.3.270.0040.04212.72
5.3.260.0060.04512.72
5.3.250.0100.03512.72
5.3.240.0020.04112.72
5.3.230.0060.03912.71
5.3.220.0040.03812.68
5.3.210.0080.03712.68
5.3.200.0040.03912.68
5.3.190.0100.03212.68
5.3.180.0050.03712.67
5.3.170.0050.04012.66
5.3.160.0050.03612.67
5.3.150.0040.03812.67
5.3.140.0040.03812.66
5.3.130.0070.03912.66
5.3.120.0050.04012.66
5.3.110.0060.03912.66
5.3.100.0060.03712.12
5.3.90.0040.03812.09
5.3.80.0040.03912.09
5.3.70.0030.03912.09
5.3.60.0030.04112.08
5.3.50.0070.03812.02
5.3.40.0070.03812.02
5.3.30.0070.03611.97
5.3.20.0040.03611.76
5.3.10.0060.03311.73
5.3.00.0040.03911.71
5.2.170.0050.0299.18
5.2.160.0030.0309.18
5.2.150.0050.0299.18
5.2.140.0030.0329.18
5.2.130.0020.0319.14
5.2.120.0030.0299.14
5.2.110.0070.0269.14
5.2.100.0060.0279.14
5.2.90.0020.0309.14
5.2.80.0050.0309.14
5.2.70.0040.0309.14
5.2.60.0040.0309.09
5.2.50.0050.0299.05
5.2.40.0040.0289.03
5.2.30.0030.0319.01
5.2.20.0050.0289.00
5.2.10.0020.0308.92
5.2.00.0040.0298.79
5.1.60.0010.0278.07
5.1.50.0060.0228.06
5.1.40.0030.0258.05
5.1.30.0060.0288.40
5.1.20.0060.0248.42
5.1.10.0030.0268.14
5.1.00.0040.0268.14
5.0.50.0060.0186.62
5.0.40.0020.0206.48
5.0.30.0050.0296.29
5.0.20.0020.0206.26
5.0.10.0040.0196.23
5.0.00.0040.0326.23
4.4.90.0030.0164.78
4.4.80.0070.0124.75
4.4.70.0020.0174.76
4.4.60.0020.0154.75
4.4.50.0050.0134.77
4.4.40.0030.0274.71
4.4.30.0020.0154.75
4.4.20.0040.0134.85
4.4.10.0020.0164.84
4.4.00.0050.0224.76
4.3.110.0030.0164.67
4.3.100.0030.0144.66
4.3.90.0030.0164.64
4.3.80.0020.0254.58
4.3.70.0040.0134.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0020.0244.54
4.3.30.0010.0173.28
4.3.20.0030.0153.26
4.3.10.0020.0153.22
4.3.00.0030.0207.17

preferences:
41.09 ms | 401 KiB | 5 Q