3v4l.org

run code in 300+ PHP versions simultaneously
<?php function _uniord($c) { if (ord($c{0}) >=0 && ord($c{0}) <= 127) return ord($c{0}); if (ord($c{0}) >= 192 && ord($c{0}) <= 223) return (ord($c{0})-192)*64 + (ord($c{1})-128); if (ord($c{0}) >= 224 && ord($c{0}) <= 239) return (ord($c{0})-224)*4096 + (ord($c{1})-128)*64 + (ord($c{2})-128); if (ord($c{0}) >= 240 && ord($c{0}) <= 247) return (ord($c{0})-240)*262144 + (ord($c{1})-128)*4096 + (ord($c{2})-128)*64 + (ord($c{3})-128); if (ord($c{0}) >= 248 && ord($c{0}) <= 251) return (ord($c{0})-248)*16777216 + (ord($c{1})-128)*262144 + (ord($c{2})-128)*4096 + (ord($c{3})-128)*64 + (ord($c{4})-128); if (ord($c{0}) >= 252 && ord($c{0}) <= 253) return (ord($c{0})-252)*1073741824 + (ord($c{1})-128)*16777216 + (ord($c{2})-128)*262144 + (ord($c{3})-128)*4096 + (ord($c{4})-128)*64 + (ord($c{5})-128); if (ord($c{0}) >= 254 && ord($c{0}) <= 255) // error return FALSE; return 0; } var_dump(_uniord('А')); $line = "Какова сумма номеров символов Unicode во всем этом вопросе?"; var_dump(mb_strlen($line)); for($i = 0; $i < strlen($line); $i++) { var_dump($line[$i]); }

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)
8.3.60.0040.01418.43
8.3.50.0120.00316.54
8.3.40.0070.01018.71
8.3.30.0090.00618.73
8.3.20.0080.00021.79
8.3.10.0070.00021.81
8.3.00.0070.00019.20
8.2.180.0060.01316.50
8.2.170.0100.00322.96
8.2.160.0070.00722.28
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00420.26
8.2.120.0040.00426.35
8.2.110.0030.00622.13
8.2.100.0080.00417.78
8.2.90.0060.00318.95
8.2.80.0050.00317.97
8.2.70.0040.00417.38
8.2.60.0000.00817.80
8.2.50.0030.00618.10
8.2.40.0040.00420.41
8.2.30.0000.00819.13
8.2.20.0030.00617.85
8.2.10.0060.00317.91
8.2.00.0040.00417.85
8.1.280.0070.00725.92
8.1.270.0080.00022.11
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00620.81
8.1.230.0030.00717.82
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0000.00917.22
8.1.190.0030.00616.98
8.1.180.0040.00418.10
8.1.170.0050.00318.51
8.1.160.0080.00018.67
8.1.150.0000.00818.81
8.1.140.0040.00419.50
8.1.130.0030.00318.66
8.1.120.0030.00317.38
8.1.110.0050.00217.28
8.1.100.0040.00417.26
8.1.90.0040.00417.34
8.1.80.0030.00317.25
8.1.70.0000.00717.21
8.1.60.0030.00517.45
8.1.50.0000.00817.28
8.1.40.0030.00617.29
8.1.30.0000.00717.46
8.1.20.0040.00417.50
8.1.10.0050.00317.39
8.1.00.0000.00717.35
8.0.300.0030.00618.77
8.0.290.0080.00016.75
8.0.280.0030.00318.31
8.0.270.0080.00017.12
8.0.260.0030.00316.66
8.0.250.0040.00416.85
8.0.240.0070.00016.73
8.0.230.0040.00416.94
8.0.220.0000.00716.81
8.0.210.0000.00716.82
8.0.200.0000.00616.77
8.0.190.0060.00316.89
8.0.180.0040.00416.73
8.0.170.0000.00816.83
8.0.160.0030.00316.81
8.0.150.0040.00416.83
8.0.140.0030.00316.78
8.0.130.0000.00513.27
8.0.120.0000.00716.77
8.0.110.0070.00016.73
8.0.100.0000.00716.84
8.0.90.0040.00416.89
8.0.80.0060.01016.76
8.0.70.0070.00016.77
8.0.60.0070.00016.93
8.0.50.0030.00316.71
8.0.30.0100.00816.97
8.0.20.0090.01317.40
8.0.10.0000.00816.82
8.0.00.0140.01016.57
7.4.330.0050.00015.55
7.4.320.0060.00016.69
7.4.300.0000.00616.57
7.4.290.0000.00716.58
7.4.280.0060.00316.67
7.4.270.0030.00516.61
7.4.260.0000.00513.36
7.4.250.0040.00416.65
7.4.240.0000.00716.55
7.4.230.0000.00716.42
7.4.220.0090.00916.63
7.4.210.0160.00316.79
7.4.200.0040.00416.38
7.4.160.0060.01016.60
7.4.150.0140.00617.40
7.4.140.0120.00717.86
7.4.130.0070.01416.52
7.4.120.0130.00716.67
7.4.110.0120.00916.52
7.4.100.0130.01016.59
7.4.90.0130.00616.66
7.4.80.0070.01419.39
7.4.70.0120.01216.73
7.4.60.0170.00016.63
7.4.50.0100.00616.47
7.4.40.0100.01416.61
7.4.30.0100.00916.56
7.4.00.0070.01215.16
7.3.330.0030.00313.47
7.3.320.0050.00013.39
7.3.310.0000.00716.51
7.3.300.0030.00316.46
7.3.290.0060.00916.45
7.3.280.0110.00716.44
7.3.270.0070.01617.40
7.3.260.0130.00616.67
7.3.250.0140.01016.42
7.3.240.0090.01116.60
7.3.230.0050.01416.75
7.3.210.0070.01116.70
7.3.200.0100.00716.79
7.3.190.0060.01616.65
7.3.180.0090.01216.71
7.3.170.0090.00916.58
7.3.160.0110.00716.52
7.3.120.0070.01114.96
7.3.110.0060.01314.91
7.3.100.0100.00514.95
7.3.90.0050.01114.94
7.3.80.0060.00914.88
7.3.70.0080.00614.86
7.3.60.0030.01215.09
7.3.50.0070.00714.91
7.3.40.0020.01114.91
7.3.30.0030.00914.84
7.3.20.0080.00916.75
7.3.10.0060.00916.47
7.3.00.0080.00716.79
7.2.330.0110.00816.73
7.2.320.0070.01416.94
7.2.310.0120.00616.50
7.2.300.0120.00616.95
7.2.290.0110.00916.96
7.2.250.0100.01015.38
7.2.240.0120.00815.02
7.2.230.0120.00515.19
7.2.220.0060.00615.26
7.2.210.0070.00915.25
7.2.200.0060.00915.09
7.2.190.0020.01015.24
7.2.180.0050.00815.18
7.2.170.0100.00515.26
7.2.160.0100.00615.20
7.2.150.0030.01917.09
7.2.140.0070.01417.14
7.2.130.0060.00917.10
7.2.120.0050.01416.85
7.2.110.0070.00816.93
7.2.100.0070.00516.91
7.2.90.0080.00616.91
7.2.80.0060.00616.94
7.2.70.0030.00716.97
7.2.60.0050.00716.90
7.2.50.0090.00716.95
7.2.40.0090.00516.98
7.2.30.0070.00817.02
7.2.20.0090.00716.92
7.2.10.0060.01017.03
7.2.00.0040.00916.89
7.1.330.0040.01315.89
7.1.320.0120.00215.75
7.1.310.0070.00515.86
7.1.300.0010.01015.91
7.1.290.0000.01115.85
7.1.280.0050.00615.68
7.1.270.0030.01015.86
7.1.260.0060.00715.70
7.1.250.0080.00715.67
7.1.240.0160.00315.92
7.1.230.0090.00615.95
7.1.220.0120.00015.95
7.1.210.0030.00915.72
7.1.200.0070.00515.82
7.1.190.0060.00615.91
7.1.180.0070.00715.64
7.1.170.0100.00715.98
7.1.160.0060.00715.75
7.1.150.0030.00615.83
7.1.140.0130.00015.98
7.1.130.0040.00415.96
7.1.120.0040.01115.68
7.1.110.0090.00615.98
7.1.100.0040.01216.00
7.1.90.0090.00615.69
7.1.80.0080.00415.70
7.1.70.0030.01016.53
7.1.60.0310.00624.80
7.1.50.0400.01024.34
7.1.40.0500.01024.19
7.1.30.0420.01224.20
7.1.20.0350.00724.32
7.1.10.0200.01115.38
7.1.00.0270.01115.51
7.0.330.0030.00915.41
7.0.320.0110.00015.40
7.0.310.0080.00815.64
7.0.300.0030.00615.10
7.0.290.0040.00715.42
7.0.280.0090.00315.57
7.0.270.0080.00015.31
7.0.260.0120.00315.33
7.0.250.0000.01115.45
7.0.240.0060.01015.53
7.0.230.0030.00915.61
7.0.220.0030.00715.37
7.0.210.0060.00915.56
7.0.200.0250.01015.19
7.0.190.0370.00715.26
7.0.180.0380.00915.10
7.0.170.0250.01014.81
7.0.160.0260.01014.83
7.0.150.0200.01215.04
7.0.140.0210.00814.96
7.0.130.0300.00315.23
7.0.120.0330.00815.22
7.0.110.0410.01114.97
7.0.100.0370.01014.87
7.0.90.0290.00515.11
7.0.80.0320.00814.97
7.0.70.0500.01215.03
7.0.60.0230.01314.82
7.0.50.0370.01214.98
7.0.40.1020.01514.14
7.0.30.0270.01214.17
7.0.20.0380.00814.06
7.0.10.0380.01013.87
7.0.00.0380.01014.21
5.6.400.0070.00714.46
5.6.390.0030.01014.56
5.6.380.0060.00913.93
5.6.370.0080.00814.74
5.6.360.0090.00614.31
5.6.350.0090.00614.09
5.6.340.0070.00714.38
5.6.330.0000.01114.32
5.6.320.0030.01314.45
5.6.310.0090.00914.59
5.6.300.0060.01014.45
5.6.290.0040.01114.71
5.6.280.0030.00714.14
5.6.270.0030.01414.64
5.6.260.0140.00414.39
5.6.250.0040.01114.38
5.6.240.0030.01214.32
5.6.230.0070.01014.30
5.6.220.0080.00814.38
5.6.210.0040.01214.39
5.6.200.0130.00714.39
5.6.190.0070.00714.76
5.6.180.0120.00914.61
5.6.170.0080.00814.53
5.6.160.0060.01014.35
5.6.150.0100.00014.36
5.6.140.0120.00414.38
5.6.130.0060.00614.32
5.6.120.0030.01014.02
5.6.110.0060.00914.22
5.6.100.0090.00314.63
5.6.90.0060.00614.33
5.6.80.0100.00314.11
5.6.70.0030.00614.16
5.6.60.0060.00314.02
5.6.50.0030.00714.19
5.6.40.0060.00914.15
5.6.30.0110.00614.48
5.6.20.0040.01114.44
5.6.10.0000.01614.42
5.6.00.0070.01114.39

preferences:
32.9 ms | 400 KiB | 5 Q