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); $strTest='Sali ¿te casarias conmigo?'; for($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)).' - '; }

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)
8.3.60.0140.00318.43
8.3.50.0070.00921.98
8.3.40.0090.00618.67
8.3.30.0110.00418.96
8.3.20.0000.00720.19
8.3.10.0050.00323.70
8.3.00.0050.00319.38
8.2.180.0210.00016.38
8.2.170.0140.00722.96
8.2.160.0030.01020.39
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00722.25
8.2.110.0060.00322.31
8.2.100.0040.00817.72
8.2.90.0040.00418.97
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0090.00017.91
8.2.50.0040.00418.07
8.2.40.0040.00419.88
8.2.30.0000.00919.72
8.2.20.0060.00317.55
8.2.10.0040.00417.84
8.2.00.0040.00717.59
8.1.280.0150.00325.92
8.1.270.0080.00823.97
8.1.260.0060.00326.35
8.1.250.0150.00028.09
8.1.240.0060.00323.91
8.1.230.0070.00419.14
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0030.00617.13
8.1.190.0080.00017.00
8.1.180.0060.00318.10
8.1.170.0030.00618.41
8.1.160.0000.00721.95
8.1.150.0050.00218.49
8.1.140.0040.00417.32
8.1.130.0030.00317.82
8.1.120.0030.00617.40
8.1.110.0040.00417.39
8.1.100.0030.00717.39
8.1.90.0040.00417.32
8.1.80.0020.00517.27
8.1.70.0000.00717.35
8.1.60.0000.00817.48
8.1.50.0050.00317.48
8.1.40.0000.00717.32
8.1.30.0030.00617.46
8.1.20.0000.00817.39
8.1.10.0000.00817.42
8.1.00.0080.00017.32
8.0.300.0080.00020.68
8.0.290.0050.00217.05
8.0.280.0000.00718.40
8.0.270.0030.00317.21
8.0.260.0030.00317.21
8.0.250.0030.00316.98
8.0.240.0000.00816.82
8.0.230.0000.00816.79
8.0.220.0000.00716.70
8.0.210.0030.00316.84
8.0.200.0000.00616.95
8.0.190.0000.00816.95
8.0.180.0050.00316.78
8.0.170.0000.00816.78
8.0.160.0050.00216.91
8.0.150.0000.00816.79
8.0.140.0040.00416.82
8.0.130.0030.00313.33
8.0.120.0040.00416.81
8.0.110.0000.00816.84
8.0.100.0000.00816.82
8.0.90.0040.00416.87
8.0.80.0090.00616.82
8.0.70.0000.00716.83
8.0.60.0020.00516.74
8.0.50.0000.00816.98
8.0.30.0110.00817.09
8.0.20.0100.00917.40
8.0.10.0050.00316.94
8.0.00.0100.00816.78
7.4.330.0000.00615.12
7.4.320.0000.00616.55
7.4.300.0000.00716.59
7.4.290.0040.00416.53
7.4.280.0080.00316.52
7.4.270.0000.00716.59
7.4.260.0030.00316.57
7.4.250.0050.00316.64
7.4.240.0000.00816.60
7.4.230.0020.00516.53
7.4.220.0110.00716.58
7.4.210.0080.00616.68
7.4.200.0070.00016.71
7.4.190.0000.00716.54
7.4.160.0120.00616.52
7.4.150.0170.00817.40
7.4.140.0140.00517.86
7.4.130.0100.01016.56
7.4.120.0080.01016.62
7.4.110.0110.00716.59
7.4.100.0110.00716.44
7.4.90.0100.01016.54
7.4.80.0110.00719.39
7.4.70.0090.00916.54
7.4.60.0100.01016.47
7.4.50.0040.00416.32
7.4.40.0070.01022.77
7.4.30.0130.00316.74
7.4.00.0040.01515.09
7.3.330.0030.00313.18
7.3.320.0000.00613.21
7.3.310.0040.00316.43
7.3.300.0000.00716.44
7.3.290.0120.00316.27
7.3.280.0140.00616.31
7.3.270.0090.00917.40
7.3.260.0060.01916.67
7.3.250.0150.00916.45
7.3.240.0180.00316.63
7.3.230.0120.00616.63
7.3.210.0090.00916.46
7.3.200.0100.01319.39
7.3.190.0100.01316.51
7.3.180.0070.01016.57
7.3.170.0130.00916.65
7.3.160.0060.01216.68
7.3.120.0030.01215.00
7.3.10.0110.00516.60
7.3.00.0090.00516.70
7.2.330.0090.01216.71
7.2.320.0060.01216.67
7.2.310.0100.00716.81
7.2.300.0160.00316.77
7.2.290.0160.00916.81
7.2.130.0080.00316.99
7.2.120.0090.00217.03
7.2.110.0040.00816.91
7.2.100.0080.00616.90
7.2.90.0020.01317.06
7.2.80.0030.01016.90
7.2.70.0050.00816.71
7.2.60.0090.00617.05
7.2.50.0060.00816.98
7.2.40.0050.00917.03
7.2.30.0110.00417.06
7.2.20.0080.00717.00
7.2.10.0040.00916.80
7.2.00.0090.00517.82
7.1.250.0070.00415.88
7.1.240.0030.00915.88
7.1.230.0100.00315.88
7.1.220.0100.00315.57
7.1.210.0030.01315.58
7.1.200.0040.01215.76
7.1.190.0000.00916.02
7.1.180.0080.00315.50
7.1.170.0070.00715.86
7.1.160.0000.00815.75
7.1.150.0070.00415.83
7.1.140.0070.00415.80
7.1.130.0120.00315.71
7.1.120.0060.00315.65
7.1.110.0120.00315.73
7.1.100.0050.00817.04
7.1.90.0070.00015.75
7.1.80.0040.00715.80
7.1.70.0030.00816.52
7.1.60.0080.01117.51
7.1.50.0130.01025.29
7.1.40.0070.00415.97
7.1.30.0200.00015.98
7.1.20.0070.01015.91
7.1.10.0090.00615.73
7.1.00.0070.04018.91
7.0.330.0030.00915.41
7.0.320.0060.00915.25
7.0.310.0040.01115.54
7.0.300.0040.00415.41
7.0.290.0080.00415.61
7.0.280.0040.00715.39
7.0.270.0070.00315.34
7.0.260.0030.00715.43
7.0.250.0040.01115.42
7.0.240.0100.00315.52
7.0.230.0040.01115.60
7.0.220.0070.00415.58
7.0.210.0060.00315.46
7.0.200.0170.00714.92
7.0.190.0070.00715.52
7.0.180.0090.00615.54
7.0.170.0000.00915.44
7.0.160.0060.00315.34
7.0.150.0070.01015.52
7.0.140.0040.04218.83
7.0.130.0060.00615.55
7.0.120.0070.00715.61
7.0.110.0060.00815.47
7.0.100.0110.00415.45
7.0.90.0060.00615.43
7.0.80.0080.00015.16
7.0.70.0040.00715.38
7.0.60.0070.01817.78
7.0.50.0030.02516.70
7.0.40.0050.02616.73
7.0.30.0120.03716.86
7.0.20.0100.02416.63
7.0.10.0080.04516.83
7.0.00.0070.04516.88
5.6.380.0060.00914.57
5.6.370.0030.00614.59
5.6.360.0040.01114.43
5.6.350.0030.00714.06
5.6.340.0050.00314.43
5.6.330.0100.00314.27
5.6.320.0080.00014.43
5.6.310.0120.00314.44
5.6.300.0080.00814.53
5.6.290.0030.00614.55
5.6.280.0060.03817.56
5.6.270.0000.01314.32
5.6.260.0000.01514.67
5.6.250.0000.01714.48
5.6.240.0140.00014.51
5.6.230.0100.00614.58
5.6.220.0030.01014.53
5.6.210.0120.04217.71
5.6.200.0100.03016.30
5.6.190.0150.04017.41
5.6.180.0270.03017.42
5.6.170.0170.04217.35
5.6.160.0020.03217.49
5.6.150.0050.04516.29
5.6.140.0050.03816.31
5.6.130.0090.04016.35
5.6.120.0030.04417.66
5.6.110.0070.02717.71
5.6.100.0080.04217.82
5.6.90.0110.04117.70
5.6.80.0050.02617.35
5.6.70.0040.01114.30
5.6.60.0090.00614.29
5.6.50.0110.00314.28
5.6.40.0100.00614.71
5.6.30.0030.01014.50
5.6.20.0060.00614.36
5.6.10.0000.01214.45
5.6.00.0000.01314.37
5.5.380.0060.00611.18
5.5.370.0060.00611.50
5.5.360.0090.00311.52
5.5.350.2070.02315.75
5.5.340.0050.03914.54
5.5.330.0080.03115.92
5.5.320.0150.02215.88
5.5.310.0160.04515.76
5.5.300.0030.04314.67
5.5.290.0080.04114.65
5.5.280.0030.02516.09
5.5.270.0050.02516.04
5.5.260.0080.04316.10
5.5.250.0050.02215.84
5.5.240.0030.04015.68
5.5.230.0030.00311.17
5.5.220.0000.01011.32
5.5.210.0030.01011.04
5.5.200.0070.00411.23
5.5.190.0030.00910.89
5.5.180.0030.00311.34
5.5.170.0070.00411.35
5.5.160.0050.00411.29
5.5.150.0060.00611.30
5.5.140.0050.00311.13
5.5.130.0000.01011.40
5.5.120.0080.00310.95
5.5.110.0060.00610.91
5.5.100.0000.01211.21
5.5.90.0000.01211.13
5.5.80.0060.00311.16
5.5.70.0000.01211.35
5.5.60.0030.01011.39
5.5.50.0070.00711.02
5.5.40.0080.00411.01
5.5.30.0100.00311.28
5.5.20.0000.01111.08
5.5.10.0030.01011.30
5.5.00.0030.00911.23
5.4.450.0400.02915.44
5.4.440.0400.02915.41
5.4.430.0420.03715.07
5.4.420.0450.03815.41
5.4.410.0450.02715.31
5.4.400.0310.03115.18
5.4.390.0350.03315.05
5.4.380.0180.03214.81
5.4.370.0100.02814.92
5.4.360.0160.03014.97
5.4.350.0150.03014.92
5.4.340.0250.02515.03
5.4.330.0000.01411.29
5.4.320.0110.02011.81
5.4.310.0070.02011.73
5.4.300.0050.02111.70
5.4.290.0070.03011.82
5.4.280.0070.02111.72
5.4.270.0020.02711.66
5.4.260.0070.02511.77
5.4.250.0050.02611.74
5.4.240.0090.02511.83
5.4.230.0090.03011.80
5.4.220.0060.02511.72
5.4.210.0050.03111.80
5.4.200.0070.02911.73
5.4.190.0040.03311.70
5.4.180.0080.02911.70
5.4.170.0100.04711.87
5.4.160.0090.03411.73
5.4.150.0090.02511.82
5.4.140.0050.02311.62
5.4.130.0080.02511.48
5.4.120.0070.02311.59
5.4.110.0100.01911.41
5.4.100.0040.02411.73
5.4.90.0080.02611.77
5.4.80.0060.02611.51
5.4.70.0080.02411.60
5.4.60.0100.02811.50
5.4.50.0040.02511.46
5.4.40.0060.02211.53
5.4.30.0100.01911.69
5.4.20.0040.02611.60
5.4.10.0020.02811.47
5.4.00.0090.02111.35
5.3.290.0060.02011.78
5.3.280.0060.02611.58
5.3.270.0090.03011.53
5.3.260.0120.02611.54
5.3.250.0080.02411.77
5.3.240.0060.02911.63
5.3.230.0070.02311.63
5.3.220.0040.03111.62
5.3.210.0080.02111.65
5.3.200.0110.02111.53
5.3.190.0050.02511.65
5.3.180.0090.02111.73
5.3.170.0090.01911.78
5.3.160.0050.02511.69
5.3.150.0040.02211.72
5.3.140.0050.02911.60
5.3.130.0110.01911.66
5.3.120.0090.02411.66
5.3.110.0070.03011.65
5.3.100.0050.02211.41
5.3.90.0070.02211.32
5.3.80.0050.02711.26
5.3.70.0090.02611.20
5.3.60.0110.02311.41
5.3.50.0080.02311.42
5.3.40.0060.02711.37
5.3.30.0080.02711.32
5.3.20.0070.02911.09
5.3.10.0060.02411.01
5.3.00.0090.02311.09
5.2.170.0070.0219.44
5.2.160.0070.0229.49
5.2.150.0050.0249.47
5.2.140.0070.0309.43
5.2.130.0050.0299.31
5.2.120.0100.0249.40
5.2.110.0090.0269.40
5.2.100.0050.0269.28
5.2.90.0050.0259.33
5.2.80.0040.0219.39
5.2.70.0090.0189.41
5.2.60.0060.0259.21
5.2.50.0100.0189.20
5.2.40.0070.0209.38
5.2.30.0040.0219.17
5.2.20.0030.0219.07
5.2.10.0050.0179.11
5.2.00.0030.0218.87
5.1.60.0060.0148.36
5.1.50.0070.0158.39
5.1.40.0090.0128.41
5.1.30.0040.0168.49
5.1.20.0120.0158.63
5.1.10.0040.0178.40
5.1.00.0020.0178.21
5.0.50.0020.0167.41
5.0.40.0040.0127.34
5.0.30.0060.0167.25
5.0.20.0010.0167.23
5.0.10.0020.0157.22
5.0.00.0030.0197.21
4.4.90.0060.0096.46
4.4.80.0040.0106.45
4.4.70.0020.0206.45
4.4.60.0020.0156.45
4.4.50.0040.0146.46
4.4.40.0040.0216.42
4.4.30.0050.0096.45
4.4.20.0040.0126.49
4.4.10.0020.0116.49
4.4.00.0060.0176.45
4.3.110.0040.0116.40
4.3.100.0030.0116.40
4.3.90.0020.0146.39
4.3.80.0030.0166.36
4.3.70.0020.0126.38
4.3.60.0040.0096.38
4.3.50.0010.0186.38
4.3.40.0040.0206.34
4.3.30.0020.0145.73
4.3.20.0030.0135.73
4.3.10.0030.0135.70
4.3.00.0030.0189.34

preferences:
36.27 ms | 401 KiB | 5 Q