3v4l.org

run code in 300+ PHP versions simultaneously
<?php function ordutf8($string, &$offset) { $code = ord(substr($string, $offset,1)); if ($code >= 128) { //otherwise 0xxxxxxx if ($code < 224) $bytesnumber = 2; //110xxxxx else if ($code < 240) $bytesnumber = 3; //1110xxxx else if ($code < 248) $bytesnumber = 4; //11110xxx $codetemp = $code - 192 - ($bytesnumber > 2 ? 32 : 0) - ($bytesnumber > 3 ? 16 : 0); for ($i = 2; $i <= $bytesnumber; $i++) { $offset ++; $code2 = ord(substr($string, $offset, 1)) - 128; //10xxxxxx $codetemp = $codetemp*64 + $code2; } $code = $codetemp; } $offset += 1; if ($offset >= strlen($string)) $offset = -1; return $code; } $text = "abcàê߀abc"; $offset = 0; while ($offset >= 0) { echo $offset.": ".ordutf8($text, $offset)."\n"; } ?>

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)
8.3.70.0060.01016.72
8.3.60.0150.00616.75
8.3.50.0100.00921.98
8.3.40.0040.01118.67
8.3.30.0140.00018.85
8.3.20.0000.00720.20
8.3.10.0030.00620.39
8.3.00.0040.00720.64
8.2.180.0120.00916.38
8.2.170.0030.01422.96
8.2.160.0070.01020.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.95
8.2.110.0060.00322.02
8.2.100.0040.00817.82
8.2.90.0050.00319.17
8.2.80.0030.00617.97
8.2.70.0030.00717.63
8.2.60.0000.00817.91
8.2.50.0000.01118.10
8.2.40.0030.00620.24
8.2.30.0000.00719.52
8.2.20.0000.00717.78
8.2.10.0040.00418.00
8.2.00.0000.00718.21
8.1.280.0040.01425.92
8.1.270.0060.00323.97
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.06
8.1.230.0140.00317.58
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0080.00018.69
8.1.160.0040.00420.80
8.1.150.0000.00718.89
8.1.140.0040.00419.58
8.1.130.0040.00417.62
8.1.120.0000.00717.46
8.1.110.0050.00317.38
8.1.100.0040.00317.51
8.1.90.0040.00417.36
8.1.80.0040.00417.48
8.1.70.0030.00317.46
8.1.60.0040.00417.60
8.1.50.0030.00517.50
8.1.40.0030.00517.43
8.1.30.0030.00517.63
8.1.20.0060.00317.68
8.1.10.0040.00417.52
8.1.00.0000.00917.42
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0000.00818.37
8.0.270.0030.00317.27
8.0.260.0030.00317.38
8.0.250.0030.00316.96
8.0.240.0030.00316.89
8.0.230.0070.00016.96
8.0.220.0040.00416.88
8.0.210.0040.00416.89
8.0.200.0000.00617.00
8.0.190.0040.00416.91
8.0.180.0040.00416.91
8.0.170.0060.00316.88
8.0.160.0000.00716.93
8.0.150.0000.00716.82
8.0.140.0110.00016.73
8.0.130.0000.00613.33
8.0.120.0080.00016.74
8.0.110.0040.00416.80
8.0.100.0050.00316.80
8.0.90.0050.00316.89
8.0.80.0070.00716.90
8.0.70.0000.00716.85
8.0.60.0040.00416.71
8.0.50.0000.00716.78
8.0.30.0150.00517.06
8.0.20.0110.01117.40
8.0.10.0030.00316.98
8.0.00.0100.01016.83
7.4.330.0020.00215.14
7.4.320.0030.00316.55
7.4.300.0000.00616.40
7.4.290.0030.00316.52
7.4.280.0090.00016.51
7.4.270.0030.00316.48
7.4.260.0070.00016.57
7.4.250.0040.00416.62
7.4.240.0040.00416.62
7.4.230.0000.00716.59
7.4.220.0090.00616.42
7.4.210.0080.00716.54
7.4.200.0040.00416.61
7.4.160.0090.00616.66
7.4.150.0090.00917.40
7.4.140.0080.01017.86
7.4.130.0110.00616.47
7.4.120.0090.00916.52
7.4.110.0100.00716.53
7.4.100.0080.01116.34
7.4.90.0030.01316.35
7.4.80.0130.00319.39
7.4.70.0070.01616.49
7.4.60.0030.01216.51
7.4.50.0070.00716.50
7.4.40.0100.01016.28
7.4.30.0040.01716.45
7.4.00.0060.01114.89
7.3.330.0030.00313.27
7.3.320.0060.00013.34
7.3.310.0070.00016.26
7.3.300.0000.00716.33
7.3.290.0040.00416.38
7.3.280.0080.00616.34
7.3.270.0070.01017.40
7.3.260.0160.00716.38
7.3.250.0100.01016.37
7.3.240.0100.00716.38
7.3.230.0110.00516.43
7.3.210.0120.00416.49
7.3.200.0110.00619.39
7.3.190.0100.01016.41
7.3.180.0070.01016.30
7.3.170.0060.01016.48
7.3.160.0120.00816.43
7.3.120.0070.00714.86
7.3.110.0040.01514.95
7.3.100.0090.00014.84
7.3.90.0110.00414.48
7.3.80.0090.00014.90
7.3.70.0090.00914.75
7.3.60.0000.00914.77
7.3.50.0090.00614.94
7.3.40.0070.01014.78
7.3.30.0080.00414.97
7.3.20.0070.00716.77
7.3.10.0000.00916.46
7.3.00.0100.00716.64
7.2.330.0080.00816.69
7.2.320.0060.01616.40
7.2.310.0070.01316.66
7.2.300.0130.01016.84
7.2.290.0130.00316.85
7.2.250.0070.01315.24
7.2.240.0100.01015.20
7.2.230.0120.00615.14
7.2.220.0040.00715.14
7.2.210.0000.01415.05
7.2.200.0090.00015.28
7.2.190.0060.00915.06
7.2.180.0030.00614.93
7.2.170.0030.01315.05
7.2.00.0030.00619.32
7.1.330.0070.00715.97
7.1.320.0060.00316.04
7.1.310.0040.01215.91
7.1.300.0060.01015.56
7.1.290.0070.00715.73
7.1.280.0030.01015.80
7.1.270.0030.01315.89
7.1.260.0070.00715.82
7.1.100.0040.00718.20
7.1.70.0030.00516.98
7.1.60.0150.00919.15
7.1.00.0070.07322.41
7.0.200.0060.00316.61
7.0.100.0200.07719.96
7.0.90.0200.05019.93
7.0.80.0200.05719.96
7.0.70.0370.07319.90
7.0.60.0300.08019.89
7.0.50.0100.07720.36
7.0.40.0030.07720.03
7.0.30.0100.06720.07
7.0.20.0000.06020.10
7.0.10.0100.05319.99
7.0.00.0030.07720.07
5.6.280.0070.07020.83
5.6.250.0170.07020.55
5.6.240.0100.07320.52
5.6.230.0070.06020.51
5.6.220.0100.04320.68
5.6.210.0070.08720.57
5.6.200.0100.08321.02
5.6.190.0030.06721.05
5.6.180.0130.04321.11
5.6.170.0100.08721.19
5.6.160.0070.07721.03
5.6.150.0130.05720.97
5.6.140.0000.05020.96
5.6.130.0030.08321.14
5.6.120.0070.09320.96
5.6.110.0130.09021.08
5.6.100.0230.07321.07
5.6.90.0130.06321.10
5.6.80.0100.04320.50
5.6.70.0030.04320.45
5.6.60.0200.06320.40
5.6.50.0070.07020.48
5.6.40.0070.08320.38
5.6.30.0070.05020.32
5.6.20.0100.07720.38
5.6.10.0070.07720.39
5.6.00.0170.06020.38
5.5.380.0200.06320.41
5.5.370.0070.07720.40
5.5.360.0070.04320.54
5.5.350.0100.08020.35
5.5.340.0070.05320.88
5.5.330.0170.04020.84
5.5.320.0070.08320.65
5.5.310.0100.08020.90
5.5.300.0030.08320.93
5.5.290.0070.08020.92
5.5.280.0030.08320.91
5.5.270.0000.08020.82
5.5.260.0070.08320.87
5.5.250.0030.08020.70
5.5.240.0170.07720.15
5.5.230.0000.06320.16
5.5.220.0100.05020.23
5.5.210.0030.08720.22
5.5.200.0130.07320.29
5.5.190.0030.04320.15
5.5.180.0130.06320.25
5.5.160.0070.04020.18
5.5.150.0030.07320.29
5.5.140.0100.06020.28
5.5.130.0070.05320.00
5.5.120.0070.04020.27
5.5.110.0100.07720.24
5.5.100.0030.08020.11
5.5.90.0030.04720.12
5.5.80.0130.07719.98
5.5.70.0100.05019.98
5.5.60.0100.07720.06
5.5.50.0170.06720.11
5.5.40.0070.07719.93
5.5.30.0000.08020.15
5.5.20.0070.05019.96
5.5.10.0000.08020.09
5.5.00.0070.07319.97

preferences:
64.31 ms | 401 KiB | 5 Q