3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('//u', "\xF0A0808A")); var_dump(mb_convert_encoding('𠀋 ', 'UTF-8', 'UTF-8'));

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)
8.3.70.0070.01416.75
8.3.60.0070.00716.86
8.3.50.0080.00722.88
8.3.40.0120.00318.83
8.3.30.0130.00318.96
8.3.20.0080.00020.30
8.3.10.0080.00023.71
8.3.00.0000.00819.38
8.2.180.0100.00718.66
8.2.170.0110.00422.96
8.2.160.0070.00720.43
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0070.01126.16
8.2.120.0080.00021.28
8.2.110.0050.00522.20
8.2.100.0060.00617.97
8.2.90.0040.00417.88
8.2.80.0080.00317.97
8.2.70.0000.00817.80
8.2.60.0030.00617.80
8.2.50.0040.00418.10
8.2.40.0030.00620.61
8.2.30.0050.00218.02
8.2.20.0040.00417.77
8.2.10.0070.00017.98
8.2.00.0000.00717.76
8.1.280.0040.01525.92
8.1.270.0050.00322.01
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0040.00423.91
8.1.230.0090.00318.85
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00817.22
8.1.190.0060.00317.10
8.1.180.0080.00018.10
8.1.170.0000.00818.71
8.1.160.0020.00522.04
8.1.150.0030.00518.85
8.1.140.0000.00717.55
8.1.130.0000.00717.79
8.1.120.0050.00217.51
8.1.110.0050.00217.57
8.1.100.0000.00717.44
8.1.90.0040.00417.43
8.1.80.0030.00317.62
8.1.70.0030.00317.43
8.1.60.0040.00417.55
8.1.50.0030.00617.60
8.1.40.0080.00017.59
8.1.30.0040.00417.69
8.1.20.0080.00017.64
8.1.10.0040.00417.46
8.1.00.0000.00717.56
8.0.300.0020.00519.90
8.0.290.0000.00816.88
8.0.280.0030.00318.40
8.0.270.0030.00317.23
8.0.260.0000.00717.21
8.0.250.0030.00316.98
8.0.240.0060.00317.07
8.0.230.0040.00417.07
8.0.220.0000.00717.06
8.0.210.0000.00716.88
8.0.200.0060.00017.01
8.0.190.0000.00817.03
8.0.180.0000.01117.07
8.0.170.0030.00517.03
8.0.160.0070.00017.08
8.0.150.0000.00816.96
8.0.140.0070.00016.82
8.0.130.0080.00013.47
8.0.120.0060.00316.91
8.0.110.0050.00317.02
8.0.100.0070.00017.04
8.0.90.0000.00717.05
8.0.80.0140.00316.95
8.0.70.0020.00516.86
8.0.60.0000.00716.95
8.0.50.0000.00816.81
8.0.30.0080.01017.19
8.0.20.0110.00817.40
8.0.10.0000.00717.05
8.0.00.0090.01116.94
7.4.330.0030.00315.00
7.4.320.0000.00616.68
7.4.300.0030.00316.79
7.4.290.0030.00316.57
7.4.280.0000.00816.79
7.4.270.0040.00416.51
7.4.260.0000.00716.65
7.4.250.0080.00016.70
7.4.240.0060.00216.79
7.4.230.0030.00316.82
7.4.220.0070.01116.66
7.4.210.0110.00316.79
7.4.200.0040.00416.84
7.4.160.0130.00316.63
7.4.150.0120.00617.40
7.4.140.0080.00817.86
7.4.130.0070.01016.70
7.4.120.0110.00616.58
7.4.110.0130.01016.48
7.4.100.0080.01216.87
7.4.90.0130.00316.54
7.4.80.0080.00819.39
7.4.70.0190.00016.74
7.4.60.0100.00716.45
7.4.50.0000.00516.57
7.4.40.0120.00316.55
7.4.30.0130.00316.66
7.4.00.0120.00314.92
7.3.330.0030.00413.25
7.3.320.0060.00013.39
7.3.310.0020.00516.39
7.3.300.0070.00016.44
7.3.290.0060.00916.38
7.3.280.0050.01016.38
7.3.270.0110.00817.40
7.3.260.0060.01216.60
7.3.250.0090.00916.45
7.3.240.0100.00716.61
7.3.230.0100.00716.39
7.3.210.0060.01016.25
7.3.200.0110.00619.39
7.3.190.0130.00316.31
7.3.180.0050.01016.47
7.3.170.0060.01016.55
7.3.160.0090.00616.63
7.2.330.0120.01216.46
7.2.320.0090.00816.63
7.2.310.0100.00716.52
7.2.300.0110.01116.74
7.2.290.0140.00616.66
7.2.60.0030.00716.64
7.1.200.0060.00615.96
7.1.70.0000.00817.10
7.1.60.0140.01019.46
7.1.50.0040.01817.00
7.1.00.0030.08022.52
7.0.200.0030.00316.77
7.0.140.0030.07321.96
7.0.60.0000.04320.02
7.0.50.0100.07717.91
7.0.40.0030.04720.14
7.0.30.0200.04020.23
7.0.20.0370.07720.01
7.0.10.0070.04720.22
7.0.00.0100.03720.02
5.6.280.0030.07320.86
5.6.210.0000.04320.46
5.6.200.0130.06718.11
5.6.190.0030.08320.32
5.6.180.0330.04320.62
5.6.170.0230.04320.41
5.6.160.0030.04720.61
5.6.150.0030.08018.21
5.6.140.0000.06318.18
5.6.130.0070.08718.22
5.6.120.0030.05321.00
5.6.110.0170.05021.04
5.6.100.0100.07720.97
5.6.90.0170.07320.87
5.6.80.0070.08020.40
5.6.70.3730.04320.51
5.5.350.0230.07320.29
5.5.340.0130.04017.89
5.5.330.0030.04020.12
5.5.320.0430.03020.20
5.5.310.0230.05320.13
5.5.300.0000.05718.01
5.5.290.0130.04718.01
5.5.280.0130.07720.72
5.5.270.0070.04020.64
5.5.260.0170.07320.95
5.5.250.0030.08020.77
5.5.240.0200.07020.25
5.4.450.0300.04719.46
5.4.440.0130.05019.54
5.4.430.0570.04019.42
5.4.420.0170.04019.57
5.4.410.0300.04019.28
5.4.400.0200.04019.25
5.4.390.0170.04719.09
5.4.380.0570.05318.71
5.4.370.0300.05018.71
5.4.360.0400.04718.50
5.4.350.0430.04718.59
5.4.340.0370.04318.70
5.4.320.0080.03412.45
5.4.310.0030.04212.45
5.4.300.0050.03712.45
5.4.290.0070.03612.45
5.4.280.0040.03712.34
5.4.270.0060.03612.34
5.4.260.0050.03912.34
5.4.250.0060.03812.34
5.4.240.0040.03712.34
5.4.230.0030.04012.34
5.4.220.0100.04012.34
5.4.210.0050.03812.34
5.4.200.0060.03712.34
5.4.190.0090.03212.34
5.4.180.0040.03812.33
5.4.170.0050.03612.35
5.4.160.0030.03812.34
5.4.150.0050.03612.34
5.4.140.0060.03612.02
5.4.130.0050.03912.01
5.4.120.0030.03811.97
5.4.110.0040.03811.96
5.4.100.0060.03511.96
5.4.90.0080.03511.96
5.4.80.0080.03411.96
5.4.70.0080.03411.96
5.4.60.0050.03611.96
5.4.50.0110.03311.96
5.4.40.0100.03011.95
5.4.30.0070.03411.94
5.4.20.0070.03411.95
5.4.10.0040.03711.95
5.4.00.0070.03511.44
5.3.290.0060.04112.80
5.3.280.0090.03712.71
5.3.270.0050.04212.72
5.3.260.0130.03712.72
5.3.250.0060.04012.72
5.3.240.0040.03912.72
5.3.230.0090.03812.71
5.3.220.0060.03812.68
5.3.210.0050.03912.68
5.3.200.0050.03712.68
5.3.190.0060.04012.68
5.3.180.0080.03412.68
5.3.170.0090.03612.67
5.3.160.0050.03612.67
5.3.150.0080.03712.67
5.3.140.0050.03712.66
5.3.130.0080.04612.66
5.3.120.0060.03812.66
5.3.110.0050.04012.66
5.3.100.0040.04512.12
5.3.90.0040.03912.09
5.3.80.0070.03612.07
5.3.70.0060.03812.08
5.3.60.0100.03512.06
5.3.50.0080.03312.00
5.3.40.0090.04012.00
5.3.30.0070.03611.94
5.3.20.0070.03411.72
5.3.10.0040.03611.69
5.3.00.0030.04011.68
5.2.170.0040.0319.18
5.2.160.0050.0349.17
5.2.150.0070.0299.18
5.2.140.0050.0339.17
5.2.130.0050.0289.14
5.2.120.0030.0299.13
5.2.110.0080.0389.14
5.2.100.0040.0319.14
5.2.90.0070.0269.14
5.2.80.0050.0309.13
5.2.70.0080.0309.13
5.2.60.0070.0349.09
5.2.50.0060.0309.05
5.2.40.0060.0349.04
5.2.30.0060.0289.01
5.2.20.0060.0289.00
5.2.10.0040.0318.92
5.2.00.0060.0278.78
5.1.60.0060.0228.06
5.1.50.0050.0238.05
5.1.40.0050.0238.04
5.1.30.0050.0248.39
5.1.20.0050.0268.41
5.1.10.0030.0268.13
5.1.00.0040.0268.13
5.0.50.0020.0216.61
5.0.40.0020.0216.47
5.0.30.0050.0296.29
5.0.20.0040.0186.26
5.0.10.0040.0186.23
5.0.00.0050.0286.22
4.4.90.0040.0144.77
4.4.80.0020.0164.75
4.4.70.0030.0154.75
4.4.60.0060.0124.76
4.4.50.0050.0134.77
4.4.40.0040.0234.71
4.4.30.0040.0144.76
4.4.20.0030.0154.84
4.4.10.0030.0154.85
4.4.00.0020.0274.76
4.3.110.0030.0154.67
4.3.100.0010.0164.67
4.3.90.0020.0154.64
4.3.80.0020.0254.58
4.3.70.0030.0154.63
4.3.60.0040.0154.63
4.3.50.0040.0154.63
4.3.40.0040.0234.54
4.3.30.0010.0163.28
4.3.20.0010.0173.25
4.3.10.0030.0143.21
4.3.00.0070.01315.69

preferences:
51.35 ms | 401 KiB | 5 Q