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('á'); 225 //echo utf8(0xE1); á //echo utf8(0x67); $strTest='Sali ¿te casarias conmigo?'; $new=''; for($i = 0, $n = mb_strlen($strTest); $i < $n; $i++) { $mbchar = mb_substr($strTest, $i, 1); //echo 'current char: '.$mbchar.' '; //echo 'uniord= '.uniord($mbchar).' '; //echo 'prev dec= '.(uniord($mbchar)+1).' '; //echo 'prev hex= '.dechex(uniord($mbchar)+1).' '; //echo 'prev char= '.utf8((uniord($mbchar)+1)).' - '; $new.=utf8((uniord($mbchar)+1)); } echo $new;//Tbmj!uf!dbtbsjbt!dponjhp@

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)
8.3.60.0120.00616.88
8.3.50.0250.00522.04
8.3.40.0150.00018.61
8.3.30.0100.00318.92
8.3.20.0040.00420.34
8.3.10.0040.00423.70
8.3.00.0080.00019.13
8.2.180.0060.01216.75
8.2.170.0110.00322.96
8.2.160.0100.00320.35
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0090.00626.16
8.2.120.0040.00422.13
8.2.110.0030.00622.25
8.2.100.0090.00317.78
8.2.90.0070.00018.96
8.2.80.0060.00317.97
8.2.70.0000.00817.38
8.2.60.0060.00317.80
8.2.50.0040.00418.07
8.2.40.0000.00919.82
8.2.30.0040.00419.79
8.2.20.0080.00017.47
8.2.10.0030.00519.80
8.2.00.0070.00417.49
8.1.280.0140.00325.92
8.1.270.0000.01523.80
8.1.260.0060.00326.35
8.1.250.0000.01428.09
8.1.240.0030.00623.68
8.1.230.0040.00818.95
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.23
8.1.190.0050.00316.98
8.1.180.0040.00418.10
8.1.170.0090.00018.45
8.1.160.0000.00721.99
8.1.150.0000.00718.55
8.1.140.0070.00017.31
8.1.130.0000.00717.90
8.1.120.0040.00417.34
8.1.110.0000.00817.42
8.1.100.0030.00517.36
8.1.90.0030.00517.34
8.1.80.0000.00817.28
8.1.70.0040.00417.32
8.1.60.0000.00717.49
8.1.50.0030.00517.42
8.1.40.0040.00417.41
8.1.30.0050.00317.53
8.1.20.0000.00717.59
8.1.10.0040.00417.43
8.1.00.0000.00917.36
8.0.300.0040.00420.47
8.0.290.0000.00717.05
8.0.280.0070.00018.37
8.0.270.0030.00317.11
8.0.260.0000.00617.20
8.0.250.0040.00416.81
8.0.240.0000.00716.92
8.0.230.0000.00716.87
8.0.220.0040.00416.83
8.0.210.0040.00416.88
8.0.200.0030.00316.90
8.0.190.0000.00816.87
8.0.180.0000.00716.78
8.0.170.0060.00316.87
8.0.160.0000.00816.83
8.0.150.0030.00416.70
8.0.140.0070.00016.83
8.0.130.0030.00313.29
8.0.120.0040.00416.83
8.0.110.0000.00816.84
8.0.100.0000.01016.82
8.0.90.0070.00016.82
8.0.80.0080.00816.82
8.0.70.0030.00516.83
8.0.60.0030.00516.79
8.0.50.0000.00716.93
8.0.30.0090.01317.03
8.0.20.0100.00917.40
8.0.10.0080.00016.99
8.0.00.0100.00716.50
7.4.330.0030.00315.12
7.4.320.0070.00016.62
7.4.300.0030.00316.58
7.4.290.0030.00316.55
7.4.280.0110.00016.60
7.4.270.0030.00316.54
7.4.260.0000.00716.52
7.4.250.0080.00016.58
7.4.240.0000.00716.66
7.4.230.0070.00016.67
7.4.220.0070.01016.68
7.4.210.0060.00816.60
7.4.200.0040.00416.60
7.4.190.0000.00716.42
7.4.160.0140.00316.53
7.4.150.0170.00017.40
7.4.140.0080.01017.86
7.4.130.0120.00716.52
7.4.120.0050.01216.73
7.4.110.0030.01716.61
7.4.100.0140.00316.60
7.4.90.0130.00316.55
7.4.80.0040.01219.39
7.4.70.0060.00916.43
7.4.60.0030.01416.48
7.4.50.0080.00016.51
7.4.40.0070.00722.77
7.4.30.0000.01616.43
7.4.00.0080.00815.15
7.3.330.0060.00013.26
7.3.320.0030.00313.34
7.3.310.0020.00516.38
7.3.300.0000.00716.38
7.3.290.0120.00316.34
7.3.280.0080.01216.29
7.3.270.0130.00317.40
7.3.260.0040.01416.41
7.3.250.0100.01116.44
7.3.240.0060.01416.31
7.3.230.0110.00716.69
7.3.210.0070.01016.25
7.3.200.0090.01419.39
7.3.190.0090.01616.36
7.3.180.0060.00916.43
7.3.170.0160.00016.64
7.3.160.0120.00916.40
7.3.120.0050.01315.01
7.3.110.0090.00714.69
7.3.100.0060.00814.81
7.3.90.0050.00714.96
7.3.80.0050.00814.87
7.3.70.0090.00614.75
7.3.60.0050.00614.73
7.3.50.0070.00614.63
7.3.40.0050.00714.65
7.3.30.0030.00914.69
7.3.20.0050.00916.59
7.3.10.0100.00516.56
7.3.00.0080.00816.65
7.2.330.0060.02116.69
7.2.320.0130.00316.93
7.2.310.0070.01016.66
7.2.300.0100.00716.66
7.2.290.0000.02116.81
7.2.250.0100.01015.04
7.2.240.0090.00814.98
7.2.230.0040.01114.78
7.2.220.0070.00415.26
7.2.210.0050.01015.28
7.2.200.0060.00915.13
7.2.190.0070.00514.96
7.2.180.0070.00715.08
7.2.170.0060.00914.91
7.2.160.0000.01114.87
7.2.150.0000.01416.83
7.2.140.0030.01416.79
7.2.130.0030.00916.73
7.2.120.0060.00916.85
7.2.110.0090.00617.16
7.2.100.0030.00916.89
7.2.90.0060.00916.82
7.2.80.0000.01516.89
7.2.70.0000.00917.05
7.2.60.0070.00816.85
7.2.50.0070.01017.04
7.2.40.0000.01716.68
7.2.30.0000.01416.93
7.2.20.0100.00616.95
7.2.10.0070.00416.80
7.2.00.0070.00716.94
7.1.330.0060.00915.71
7.1.320.0040.00815.84
7.1.310.0060.00615.86
7.1.300.0000.01015.85
7.1.290.0020.00915.73
7.1.280.0080.00815.69
7.1.270.0040.00715.52
7.1.260.0030.01015.70
7.1.250.0070.00715.76
7.1.70.0000.00817.07
7.1.60.0000.01819.46
7.1.50.0040.01434.65
7.1.00.0030.07722.57
7.0.200.0270.00414.46
7.0.140.0030.07321.99
7.0.60.0030.04019.91
7.0.50.0070.03718.00
7.0.40.0130.08720.13
7.0.30.0300.07320.16
7.0.20.0270.05020.33
7.0.10.0130.08320.26
7.0.00.0100.06020.20
5.6.280.0000.07720.91
5.6.210.0070.07720.73
5.6.200.0070.08018.18
5.6.190.0130.04020.48
5.6.180.0470.07720.64
5.6.170.0200.06020.48
5.6.160.0070.04020.39
5.6.150.0070.07018.18
5.6.140.0070.05018.27
5.6.130.0030.05718.14
5.6.120.0070.08321.16
5.6.110.0130.07720.90
5.6.100.0100.08021.10
5.6.90.0130.07720.99
5.6.80.0030.04020.46
5.5.350.4230.04020.46
5.5.340.0070.04318.00
5.5.330.0100.07320.35
5.5.320.0170.04320.34
5.5.310.0230.08020.19
5.5.300.0100.04718.00
5.5.290.0070.08017.98
5.5.280.0030.08020.79
5.5.270.0030.09020.88
5.5.260.0030.09020.81
5.5.250.0000.04320.68
5.5.240.0070.06020.28
5.4.450.0070.06319.57
5.4.440.0770.06019.57
5.4.430.0130.05019.29
5.4.420.0730.05719.19
5.4.410.0700.06319.30
5.4.400.0800.05319.04
5.4.390.0800.05019.27
5.4.380.0430.04318.77
5.4.370.0430.06018.60
5.4.360.0300.05318.60
5.4.350.0400.04718.54
5.4.340.0270.05718.77
5.4.320.0090.03712.52
5.4.310.0120.03912.52
5.4.300.0090.04012.52
5.4.290.0090.06212.50
5.4.280.0210.08312.40
5.4.270.0220.09012.39
5.4.260.0170.06212.39
5.4.250.0150.07512.40
5.4.240.0230.08012.40
5.4.230.0210.07312.39
5.4.220.0250.08712.39
5.4.210.0160.06512.39
5.4.200.0170.08812.39
5.4.190.0470.12912.38
5.4.180.0130.06412.38
5.4.170.0100.03712.40
5.4.160.0050.03912.39
5.4.150.0090.05412.39
5.4.140.0250.08512.07
5.4.130.0070.04212.06
5.4.120.0100.03912.02
5.4.110.0080.04212.01
5.4.100.0130.03712.01
5.4.90.0060.04112.01
5.4.80.0060.04212.01
5.4.70.0090.03612.01
5.4.60.0070.03912.01
5.4.50.0070.04212.00
5.4.40.0060.03812.00
5.4.30.0050.04111.99
5.4.20.0070.04412.00
5.4.10.0040.04011.99
5.4.00.0050.03811.48
5.3.290.0070.03812.80
5.3.280.0100.04212.71
5.3.270.0090.07412.73
5.3.260.0120.06012.72
5.3.250.0160.07012.72
5.3.240.0140.04812.72
5.3.230.0080.04112.71
5.3.220.0070.04012.68
5.3.210.0070.04712.68
5.3.200.0120.03912.68
5.3.190.0130.05112.68
5.3.180.0090.04312.67
5.3.170.0110.05312.67
5.3.160.0050.05612.67
5.3.150.0100.04112.68
5.3.140.0090.03912.66
5.3.130.0050.04912.65
5.3.120.0110.05612.65
5.3.110.0250.08412.66
5.3.100.0120.06512.14
5.3.90.0060.05512.13
5.3.80.0090.05212.12
5.3.70.0060.05312.12
5.3.60.0080.05112.10
5.3.50.0100.06512.05
5.3.40.0120.04512.05
5.3.30.0050.05512.00
5.3.20.0100.05011.79
5.3.10.0100.06811.75
5.3.00.0190.06911.74
5.2.170.0250.0819.24
5.2.160.0090.0549.24
5.2.150.0080.0729.24
5.2.140.0130.0649.24
5.2.130.0060.0409.20
5.2.120.0140.0409.19
5.2.110.0050.0339.21
5.2.100.0090.0449.20
5.2.90.0080.0419.20
5.2.80.0040.0349.20
5.2.70.0050.0449.20
5.2.60.0040.0389.16
5.2.50.0040.0389.13
5.2.40.0080.0459.11
5.2.30.0120.0529.07
5.2.20.0050.0379.06
5.2.10.0070.0408.97
5.2.00.0060.0368.84
5.1.60.0050.0278.12
5.1.50.0030.0308.11
5.1.40.0070.0288.09
5.1.30.0040.0338.44
5.1.20.0150.0288.46
5.1.10.0080.0388.20
5.1.00.0070.0278.20
5.0.50.0050.0236.68
5.0.40.0060.0216.53
5.0.30.0060.0426.34
5.0.20.0070.0286.30
5.0.10.0060.0296.29
5.0.00.0060.0426.28
4.4.90.0050.0204.78
4.4.80.0100.0404.76
4.4.70.0040.0244.75
4.4.60.0240.0414.75
4.4.50.0050.0154.77
4.4.40.0050.0254.70
4.4.30.0050.0164.76
4.4.20.0020.0204.85
4.4.10.0040.0204.85
4.4.00.0040.0294.76
4.3.110.0090.0304.67
4.3.100.0130.0504.67
4.3.90.0060.0174.63
4.3.80.0050.0304.59
4.3.70.0110.0264.63
4.3.60.0210.0544.63
4.3.50.0050.0174.63
4.3.40.0140.0674.53
4.3.30.0030.0173.33
4.3.20.0010.0193.31
4.3.10.0020.0193.27
4.3.00.0230.03310.55

preferences:
55.51 ms | 400 KiB | 5 Q