3v4l.org

run code in 300+ PHP versions simultaneously
<?php function utf8($num) { if($num<=0x7F) return chr($num); if($num<=0x7FF) return chr(($num>>6)+192).chr(($num&63)+128); if($num<=0xFFFF) return chr(($num>>12)+224).chr((($num>>6)&63)+128).chr(($num&63)+128); if($num<=0x1FFFFF) return chr(($num>>18)+240).chr((($num>>12)&63)+128).chr((($num>>6)&63)+128).chr(($num&63)+128); return ''; } function uniord($c) { $ord0 = ord($c{0}); if ($ord0>=0 && $ord0<=127) return $ord0; $ord1 = ord($c{1}); if ($ord0>=192 && $ord0<=223) return ($ord0-192)*64 + ($ord1-128); $ord2 = ord($c{2}); if ($ord0>=224 && $ord0<=239) return ($ord0-224)*4096 + ($ord1-128)*64 + ($ord2-128); $ord3 = ord($c{3}); if ($ord0>=240 && $ord0<=247) return ($ord0-240)*262144 + ($ord1-128)*4096 + ($ord2-128)*64 + ($ord3-128); return false; } echo uniord('รก');

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)
8.3.60.0040.01216.75
8.3.50.0090.00622.09
8.3.40.0040.01218.48
8.3.30.0030.01218.96
8.3.20.0040.00420.29
8.3.10.0080.00023.49
8.3.00.0040.00419.26
8.2.180.0000.01518.23
8.2.170.0070.00722.96
8.2.160.0070.01020.47
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00322.13
8.2.110.0030.00720.52
8.2.100.0030.00917.66
8.2.90.0030.00619.09
8.2.80.0030.00617.97
8.2.70.0030.00517.35
8.2.60.0040.00417.80
8.2.50.0060.00318.07
8.2.40.0040.00419.88
8.2.30.0040.00419.77
8.2.20.0000.00817.64
8.2.10.0070.00017.89
8.2.00.0080.00317.64
8.1.280.0100.00325.92
8.1.270.0040.00423.79
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0080.00022.24
8.1.230.0090.00317.42
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0100.00017.10
8.1.190.0040.00417.25
8.1.180.0030.00718.10
8.1.170.0080.00018.59
8.1.160.0050.00321.98
8.1.150.0000.00718.54
8.1.140.0030.00617.36
8.1.130.0030.00317.76
8.1.120.0000.00717.42
8.1.110.0000.00817.36
8.1.100.0050.00517.26
8.1.90.0000.00717.36
8.1.80.0000.00717.37
8.1.70.0030.00317.36
8.1.60.0070.00017.50
8.1.50.0040.00417.30
8.1.40.0030.00617.38
8.1.30.0050.00317.46
8.1.20.0040.00417.46
8.1.10.0040.00417.41
8.1.00.0000.00817.37
8.0.300.0040.00418.77
8.0.290.0070.00016.58
8.0.280.0030.00318.29
8.0.270.0030.00317.17
8.0.260.0000.00717.16
8.0.250.0000.00716.93
8.0.240.0030.00316.96
8.0.230.0060.00316.88
8.0.220.0040.00416.86
8.0.210.0000.00816.72
8.0.200.0000.00616.91
8.0.190.0090.00016.85
8.0.180.0030.00316.93
8.0.170.0030.00616.87
8.0.160.0030.00416.85
8.0.150.0000.00716.63
8.0.140.0040.00416.77
8.0.130.0060.00013.16
8.0.120.0050.00216.70
8.0.110.0000.00816.86
8.0.100.0030.00516.89
8.0.90.0030.00316.88
8.0.80.0130.01016.80
8.0.70.0050.00216.81
8.0.60.0000.00716.98
8.0.50.0000.00716.73
8.0.30.0090.01017.04
8.0.20.0120.00917.40
8.0.10.0040.00416.85
8.0.00.0120.00516.66
7.4.330.0000.00615.09
7.4.320.0030.00316.54
7.4.300.0000.00616.59
7.4.290.0030.00316.56
7.4.280.0050.00516.43
7.4.270.0000.00716.64
7.4.260.0070.00016.62
7.4.250.0040.00416.66
7.4.240.0020.00516.55
7.4.230.0030.00316.61
7.4.220.0030.02216.66
7.4.210.0080.00616.60
7.4.200.0000.00816.74
7.4.190.0070.00016.48
7.4.160.0090.00616.59
7.4.150.0090.00917.40
7.4.140.0110.00617.86
7.4.130.0070.01116.59
7.4.120.0080.00916.57
7.4.110.0120.00516.52
7.4.100.0110.00716.73
7.4.90.0130.00316.74
7.4.80.0080.00819.39
7.4.70.0130.00316.40
7.4.60.0070.01016.64
7.4.50.0060.00016.70
7.4.40.0090.00922.77
7.4.30.0120.00416.57
7.4.00.0080.00315.16
7.3.330.0000.00513.26
7.3.320.0000.00513.33
7.3.310.0070.00016.50
7.3.300.0030.00316.45
7.3.290.0130.00616.27
7.3.280.0070.00816.31
7.3.270.0090.00917.40
7.3.260.0160.00316.59
7.3.250.0050.01416.54
7.3.240.0070.01116.34
7.3.230.0030.01316.68
7.3.210.0100.00716.70
7.3.200.0120.00619.39
7.3.190.0090.00916.40
7.3.180.0110.00716.38
7.3.170.0040.01116.43
7.3.160.0090.01316.40
7.3.120.0030.01214.54
7.3.110.0060.00915.14
7.3.100.0060.00314.93
7.3.90.0060.01114.72
7.3.80.0040.01415.00
7.3.70.0030.01314.72
7.3.60.0040.00714.88
7.3.50.0000.01214.95
7.3.40.0000.01014.68
7.3.30.0030.01014.98
7.3.20.0140.00416.49
7.3.10.0080.00716.76
7.3.00.0090.00716.65
7.2.330.0070.01116.75
7.2.320.0150.00716.70
7.2.310.0090.00916.77
7.2.300.0100.00616.48
7.2.290.0100.00716.59
7.2.240.0000.01414.99
7.2.230.0070.00714.94
7.2.220.0060.00915.00
7.2.210.0120.00015.29
7.2.200.0080.00614.90
7.2.190.0110.00414.96
7.2.180.0090.00614.90
7.2.170.0070.01114.72
7.2.160.0110.00714.81
7.2.150.0080.00316.66
7.2.140.0060.00916.77
7.2.130.0090.00716.95
7.2.120.0080.00716.88
7.2.110.0110.00516.93
7.2.100.0060.00616.95
7.2.90.0080.00616.95
7.2.80.0030.01016.86
7.2.70.0060.00916.94
7.2.60.0060.00816.72
7.2.50.0030.01117.05
7.2.40.0060.01016.91
7.2.30.0090.00716.88
7.2.20.0080.00816.86
7.2.10.0090.00216.88
7.2.00.0040.01017.79
7.1.330.0050.00515.70
7.1.320.0000.01215.70
7.1.310.0040.01115.76
7.1.300.0070.01015.88
7.1.290.0060.01015.55
7.1.280.0090.00615.72
7.1.270.0070.01015.74
7.1.260.0130.00315.68
7.1.250.0040.00915.76
7.1.200.0000.01215.85
7.1.100.0100.00718.02
7.1.70.0060.00317.27
7.1.60.0090.00619.46
7.1.50.0090.01234.94
7.1.00.0030.07722.45
7.0.200.0030.00616.64
7.0.140.0030.07322.15
7.0.60.0070.08719.96
7.0.50.0070.08017.87
7.0.40.0030.04320.15
7.0.30.0430.07720.25
7.0.20.0170.06320.25
7.0.10.0100.04020.12
7.0.00.0070.08320.10
5.6.280.0030.07321.14
5.6.210.0030.07720.58
5.6.200.0070.07318.18
5.6.190.0030.06020.34
5.6.180.0130.04320.66
5.6.170.0270.05720.62
5.6.160.0130.06020.43
5.6.150.0170.07318.18
5.6.140.0200.07018.14
5.6.130.0030.07318.24
5.6.120.0030.04021.13
5.6.110.0130.07021.00
5.6.100.0100.07720.98
5.6.90.0170.05021.00
5.6.80.0030.07020.40
5.6.70.4400.04020.42
5.5.350.0170.07320.40
5.5.340.0100.07717.98
5.5.330.0070.07020.27
5.5.320.0270.07320.24
5.5.310.0230.05020.42
5.5.300.0170.04318.05
5.5.290.0130.03717.94
5.5.280.0030.04020.92
5.5.270.0030.04020.81
5.5.260.0200.07320.89
5.5.250.0100.05020.59
5.5.240.0270.08020.14
5.4.450.0570.06319.55
5.4.440.0870.06019.45
5.4.430.0100.05319.69
5.4.420.0900.04019.46
5.4.410.0670.05319.05
5.4.400.0930.06719.15
5.4.390.0670.05719.15
5.4.380.0330.05318.49
5.4.370.0330.06018.80
5.4.360.0370.05018.49
5.4.350.0230.06018.59
5.4.340.0230.07018.61
5.4.320.0070.04312.52
5.4.310.0100.03912.52
5.4.300.0040.03712.52
5.4.290.0070.03712.50
5.4.280.0070.03512.40
5.4.270.0050.03912.39
5.4.260.0050.03912.39
5.4.250.0060.03712.40
5.4.240.0060.03512.40
5.4.230.0090.03612.39
5.4.220.0020.04112.39
5.4.210.0060.03512.39
5.4.200.0070.03612.39
5.4.190.0060.03712.39
5.4.180.0060.03712.39
5.4.170.0100.03912.39
5.4.160.0080.03512.39
5.4.150.0060.03612.39
5.4.140.0080.03612.07
5.4.130.0100.04512.05
5.4.120.0080.04912.02
5.4.110.0050.03812.01
5.4.100.0070.03712.01
5.4.90.0070.03812.01
5.4.80.0060.03912.02
5.4.70.0060.03412.01
5.4.60.0050.03612.01
5.4.50.0080.03312.01
5.4.40.0040.03712.00
5.4.30.0100.04512.00
5.4.20.0110.04111.99
5.4.10.0070.03511.99
5.4.00.0040.03911.48
5.3.290.0030.04112.80
5.3.280.0060.05112.71
5.3.270.0110.05012.73
5.3.260.0100.05212.72
5.3.250.0090.05612.72
5.3.240.0090.05312.72
5.3.230.0070.05312.71
5.3.220.0060.05612.68
5.3.210.0080.05412.68
5.3.200.0080.05212.68
5.3.190.0070.04012.68
5.3.180.0080.03712.67
5.3.170.0140.05012.66
5.3.160.0090.04812.68
5.3.150.0090.05012.67
5.3.140.0100.05612.66
5.3.130.0110.05112.66
5.3.120.0100.04712.66
5.3.110.0090.04012.66
5.3.100.0070.04812.14
5.3.90.0070.05112.12
5.3.80.0090.04112.11
5.3.70.0060.03912.12
5.3.60.0060.04012.10
5.3.50.0050.03912.05
5.3.40.0080.04612.05
5.3.30.0070.03712.00
5.3.20.0040.03811.78
5.3.10.0080.03411.75
5.3.00.0060.03611.74
5.2.170.0060.0299.24
5.2.160.0060.0319.24
5.2.150.0060.0369.24
5.2.140.0040.0319.24
5.2.130.0040.0309.20
5.2.120.0030.0319.20
5.2.110.0050.0349.20
5.2.100.0050.0409.20
5.2.90.0080.0389.20
5.2.80.0090.0479.20
5.2.70.0100.0389.20
5.2.60.0100.0379.16
5.2.50.0050.0309.13
5.2.40.0130.0339.10
5.2.30.0070.0329.07
5.2.20.0050.0309.06
5.2.10.0040.0308.96
5.2.00.0120.0238.83
5.1.60.0050.0238.11
5.1.50.0030.0268.10
5.1.40.0050.0368.09
5.1.30.0050.0258.44
5.1.20.0060.0258.46
5.1.10.0060.0348.18
5.1.00.0080.0238.19
5.0.50.0050.0286.67
5.0.40.0030.0296.53
5.0.30.0030.0346.34
5.0.20.0040.0266.30
5.0.10.0040.0286.29
5.0.00.0040.0406.28
4.4.90.0050.0144.78
4.4.80.0040.0214.76
4.4.70.0020.0184.76
4.4.60.0040.0144.75
4.4.50.0040.0164.77
4.4.40.0030.0344.71
4.4.30.0030.0174.76
4.4.20.0070.0134.85
4.4.10.0090.0154.84
4.4.00.0030.0284.76
4.3.110.0040.0164.66
4.3.100.0020.0164.66
4.3.90.0020.0184.64
4.3.80.0020.0284.58
4.3.70.0020.0204.63
4.3.60.0020.0154.62
4.3.50.0040.0144.63
4.3.40.0030.0244.54
4.3.30.0020.0163.33
4.3.20.0010.0183.30
4.3.10.0040.0153.27
4.3.00.0070.01713.17

preferences:
36.95 ms | 401 KiB | 5 Q