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')); $line = "Какова сумма номеров символов Unicode во всем этом вопросе?"; for($i = 0; $i < mb_strlen($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)
8.3.60.0140.00718.41
8.3.50.0180.00016.50
8.3.40.0080.00618.71
8.3.30.0090.00618.54
8.3.20.0000.00721.91
8.3.10.0080.00021.73
8.3.00.0040.00419.12
8.2.180.0000.01418.13
8.2.170.0040.01122.96
8.2.160.0110.00322.21
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00722.25
8.2.120.0040.00426.35
8.2.110.0060.00322.30
8.2.100.0040.00817.91
8.2.90.0000.00819.06
8.2.80.0040.00417.97
8.2.70.0000.00917.50
8.2.60.0040.00417.68
8.2.50.0080.00018.10
8.2.40.0070.00020.59
8.2.30.0000.00919.11
8.2.20.0030.00617.84
8.2.10.0070.00017.92
8.2.00.0000.00717.93
8.1.280.0210.00925.92
8.1.270.0000.00823.87
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00820.78
8.1.230.0030.00717.70
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0090.00017.23
8.1.190.0080.00017.22
8.1.180.0000.00818.10
8.1.170.0000.00818.27
8.1.160.0000.00718.68
8.1.150.0000.00718.67
8.1.140.0000.00819.51
8.1.130.0000.00718.76
8.1.120.0030.00317.35
8.1.110.0040.00417.34
8.1.100.0040.00417.22
8.1.90.0070.00017.31
8.1.80.0030.00317.25
8.1.70.0000.00817.31
8.1.60.0030.00617.48
8.1.50.0000.00717.40
8.1.40.0090.00017.41
8.1.30.0000.00817.49
8.1.20.0020.00517.42
8.1.10.0040.00417.28
8.1.00.0040.00417.30
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0070.00018.19
8.0.270.0030.00317.00
8.0.260.0000.00616.81
8.0.250.0000.00616.79
8.0.240.0020.00516.88
8.0.230.0040.00416.82
8.0.220.0000.00716.71
8.0.210.0030.00316.84
8.0.200.0000.00616.72
8.0.190.0070.00316.90
8.0.180.0040.00416.74
8.0.170.0000.00716.73
8.0.160.0000.00716.79
8.0.150.0080.00016.66
8.0.140.0040.00416.84
8.0.130.0050.00013.26
8.0.120.0040.00416.76
8.0.110.0040.00416.73
8.0.100.0030.00316.85
8.0.90.0000.00816.89
8.0.80.0070.01516.84
8.0.70.0000.00716.64
8.0.60.0000.00816.74
8.0.50.0040.00416.71
8.0.30.0070.01216.96
8.0.20.0130.00617.40
8.0.10.0030.00716.97
8.0.00.0120.00916.66
7.4.330.0000.00515.55
7.4.320.0060.00016.74
7.4.300.0030.00316.59
7.4.290.0030.00316.66
7.4.280.0030.00616.70
7.4.270.0000.00816.48
7.4.260.0070.00013.43
7.4.250.0080.00016.65
7.4.240.0000.00716.45
7.4.230.0000.00716.52
7.4.220.0070.01316.68
7.4.210.0110.00416.80
7.4.200.0030.00316.80
7.4.160.0050.01116.67
7.4.150.0100.01017.40
7.4.140.0110.00917.86
7.4.130.0120.01016.52
7.4.120.0070.01416.65
7.4.110.0080.01316.78
7.4.100.0100.01016.71
7.4.90.0030.01516.72
7.4.80.0150.00319.39
7.4.70.0160.00616.56
7.4.60.0070.01016.52
7.4.50.0060.01216.54
7.4.40.0100.01316.66
7.4.30.0080.00816.55
7.4.00.0000.01115.31
7.3.330.0050.00013.28
7.3.320.0030.00313.40
7.3.310.0080.00016.35
7.3.300.0030.00316.46
7.3.290.0070.00716.42
7.3.280.0100.00816.38
7.3.270.0110.00817.40
7.3.260.0100.00816.54
7.3.250.0100.01016.50
7.3.240.0130.00616.59
7.3.230.0120.00616.52
7.3.210.0140.00716.67
7.3.200.0070.01116.65
7.3.190.0090.01016.47
7.3.180.0090.00916.44
7.3.170.0090.00916.48
7.3.160.0090.00816.67
7.2.330.0120.00616.83
7.2.320.0060.01316.77
7.2.310.0130.00616.56
7.2.300.0060.01316.79
7.2.290.0030.01516.71
7.2.60.0100.00317.00
7.1.200.0040.00915.76
7.1.70.0050.00516.92
7.1.60.0970.01033.36
7.1.50.0670.01033.28
7.1.40.0800.02032.78
7.1.30.0870.01732.68
7.1.20.0630.01332.72
7.1.10.0600.01714.78
7.1.00.0500.00715.04
7.0.200.0630.00315.10
7.0.190.0530.01014.88
7.0.180.0470.01014.53
7.0.170.0630.01714.36
7.0.160.0530.01014.38
7.0.150.0630.01714.39
7.0.140.0600.00314.51
7.0.130.0700.01314.68
7.0.120.0500.01014.66
7.0.110.0630.01714.55
7.0.100.0570.00714.49
7.0.90.0630.01714.57
7.0.80.1400.01014.47
7.0.70.0600.01314.65
7.0.60.0700.01314.14
7.0.50.0530.01014.63
7.0.40.0500.01014.50
7.0.30.0830.01014.79
7.0.20.0600.01014.64
7.0.10.0500.01314.63
7.0.00.0470.01314.89

preferences:
58.01 ms | 401 KiB | 5 Q