3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Fu { final class Exception extends \Exception { } final class Token { public $tokenType; public $content; public $contentLength; final public function __construct($tokenType, $content, $contentLength) { $this->tokenType = $tokenType; $this->content = $content; $this->contentLength = $contentLength; } } final class Parser { const FU_TOKENTYPE_WHITESPACE = 0x00000001; const FU_TOKENTYPE_DATATYPE_CHAR = 0x00000002; const FU_TOKENTYPE_VARIABLE = 0x00000003; const FU_TOKENTYPE_SEMICOLON = 0x00000004; const FU_TOKENTYPE_OPERATOR_ASSIGN = 0x00000005; const FU_TOKENTYPE_LITERAL_INTEGER = 0x00000006; const FU_TOKENTYPE_OPERATOR_ADD = 0x00000007; //const FU_SCOPE_ROOT = 0x00000001; //const FU_SCOPE_DECLARATION_VARIABLE = 0x00000002; //const FU_SCOPE_ final public static function parse($source) { $tokens = []; while ($source !== FALSE) { $token = NULL; switch (substr($source, 0, 1)) { case ' ': case "\t": case "\n": $i = 1; while ($source{$i} === ' ' || $source{$i} === "\t" || $source{$i} === "\n") { ++$i; } $tokens[] = new Token(self::FU_TOKENTYPE_WHITESPACE, substr($source, 0, $i), $i); $source = substr($source, $i + 1); break; case 'c': if (substr($source, 0, 4) === 'char') { $tokens[] = new Token(self::FU_TOKENTYPE_DATATYPE_CHAR, 'char', 4); $source = substr($source, 4); } else { throw new Exception('Parse error at line x, position x; unidentified symbol'); } break; case '$': $i = 1; while (in_array($source{$i}, ['_', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'])) { ++$i; } $tokens[] = new Token(self::FU_TOKENTYPE_VARIABLE, substr($source, 0, $i), $i); $source = substr($source, $i + 1); break; case ';': $tokens[] = new Token(self::FU_TOKENTYPE_SEMICOLON, ';', 1); $source = substr($source, 1); break; case '=': $tokens[] = new Token(self::FU_TOKENTYPE_OPERATOR_ASSIGN, '=', 1); $source = substr($source, 1); break; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': $i = 1; while (in_array($source{$i}, ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'])) { ++$i; } // TODO: float parsing $tokens[] = new Token(self::FU_TOKENTYPE_LITERAL_INTEGER, substr($source, 0, $i), $i); $source = substr($source, $i + 1); break; case '+': $tokens[] = new Token(self::FU_TOKENTYPE_OPERATOR_ADD, '+', 1); $source = substr($source, 1); break; } } return $tokens; } } } namespace { ini_set('memory_limit', '16M'); var_dump(Fu\Parser::parse('char $x;$x=1+2;')); }

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)
8.3.60.0070.00716.63
8.3.50.0080.01022.09
8.3.40.0140.00318.48
8.3.30.0110.00318.92
8.3.20.0080.00020.20
8.3.10.0050.00323.65
8.3.00.0060.00319.38
8.2.180.0110.00416.50
8.2.170.0040.01522.96
8.2.160.0100.00320.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00422.29
8.2.110.0060.00322.16
8.2.100.0040.01119.52
8.2.90.0080.00019.14
8.2.80.0030.00617.97
8.2.70.0000.00817.38
8.2.60.0060.00317.91
8.2.50.0030.00618.07
8.2.40.0040.00419.84
8.2.30.0030.00617.96
8.2.20.0040.00417.48
8.2.10.0000.00717.85
8.2.00.0050.00317.50
8.1.280.0090.00925.92
8.1.270.0000.00823.96
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0060.00323.80
8.1.230.0040.00819.10
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.13
8.1.190.0030.00617.00
8.1.180.0000.00918.10
8.1.170.0030.00618.39
8.1.160.0050.00321.92
8.1.150.0000.00718.45
8.1.140.0030.00617.35
8.1.130.0000.00717.78
8.1.120.0080.00017.26
8.1.110.0000.00817.34
8.1.100.0040.00417.26
8.1.90.0000.00817.35
8.1.80.0040.00417.25
8.1.70.0000.00717.30
8.1.60.0000.00817.43
8.1.50.0030.00617.38
8.1.40.0030.00517.41
8.1.30.0030.00517.41
8.1.20.0040.00417.53
8.1.10.0040.00417.47
8.1.00.0080.00017.43
8.0.300.0070.00018.77
8.0.290.0000.00717.05
8.0.280.0080.00018.27
8.0.270.0070.00017.22
8.0.260.0070.00017.20
8.0.250.0000.00716.99
8.0.240.0050.00316.91
8.0.230.0040.00416.94
8.0.220.0040.00416.91
8.0.210.0040.00416.84
8.0.200.0030.00716.81
8.0.190.0000.00916.93
8.0.180.0040.00416.88
8.0.170.0040.00416.88
8.0.160.0040.00416.88
8.0.150.0040.00416.85
8.0.140.0070.00016.85
8.0.130.0050.00013.33
8.0.120.0080.00016.82
8.0.110.0040.00416.80
8.0.100.0000.00716.85
8.0.90.0040.00416.91
8.0.80.0080.00816.92
8.0.70.0040.00416.75
8.0.60.0040.00416.75
8.0.50.0040.00416.85
8.0.30.0050.01417.07
8.0.20.0120.00617.40
8.0.10.0050.00217.11
8.0.00.0070.01216.62
7.4.330.0031.99815.09
7.4.320.0032.00016.57
7.4.300.0032.00116.61
7.4.290.0002.00116.51
7.4.280.0371.96316.46
7.4.270.0031.99916.48
7.4.260.0101.99116.56
7.4.250.0002.00316.52
7.4.240.0002.00316.58
7.4.230.0031.99916.29
7.4.220.0201.98716.66
7.4.210.0081.99316.59
7.4.200.0002.00216.61
7.4.190.0071.99616.57
7.4.160.0171.98416.55
7.4.150.0161.98417.40
7.4.140.0131.98517.86
7.4.130.0141.98516.61
7.4.120.0051.99316.73
7.4.110.0431.91916.57
7.4.100.0102.47416.43
7.4.90.0192.42416.62
7.4.80.0102.44919.39
7.4.70.0232.40716.66
7.4.60.0322.38616.50
7.4.50.0002.49816.36
7.4.40.0292.36116.58
7.4.30.0102.44816.66
7.4.00.0002.49614.91
7.3.330.0551.90213.30
7.3.320.0032.00013.46
7.3.310.0002.00216.30
7.3.300.0032.00116.21
7.3.290.0091.99016.40
7.3.280.0121.98816.37
7.3.270.0032.00117.40
7.3.260.0231.98416.53
7.3.250.0151.99116.57
7.3.240.0031.99216.25
7.3.230.0232.44916.67
7.3.210.0162.44416.64
7.3.200.0172.08219.39
7.3.190.0122.38416.36
7.3.180.0132.34516.37
7.3.170.0102.44216.55
7.3.160.0162.46516.39
7.3.120.0032.49514.76
7.2.330.0232.38816.50
7.2.320.0352.33316.75
7.2.310.0132.45116.92
7.2.300.0102.46416.87
7.2.290.0222.35916.59
7.2.00.0072.49419.39
7.1.100.0032.49817.47
7.1.70.0002.50117.13
7.1.60.0102.49119.46
7.1.50.0172.48517.00
7.1.00.0072.49322.27
7.0.200.0002.50116.89
7.0.140.0072.49322.10
7.0.60.0032.49719.87
7.0.50.0132.48717.89
7.0.40.0072.49319.85
7.0.30.0302.47019.88
7.0.20.0432.45719.88
7.0.10.0032.49719.99
7.0.00.4302.06720.01
5.6.280.0002.50020.85
5.6.210.0032.49720.75
5.6.200.0102.49018.09
5.6.190.0132.48720.52
5.6.180.0132.48720.41
5.6.170.0302.47020.39
5.6.160.0002.50020.21
5.6.150.0072.49318.18
5.6.140.0102.49018.21
5.6.130.0072.49318.33
5.6.120.0072.49321.02
5.6.110.0132.48721.18
5.6.100.0032.49721.25
5.6.90.0072.49321.18
5.6.80.0002.48020.48
5.5.350.0172.43020.55
5.5.340.0202.42320.93
5.5.330.0432.44720.93
5.5.320.0332.43721.00
5.5.310.0232.43321.05
5.5.300.0202.41721.01
5.5.290.0172.43020.88
5.5.280.0402.42021.00
5.5.270.0102.44721.01
5.5.260.0202.42020.99
5.5.250.0232.45320.76
5.5.240.0202.43020.41
5.4.450.0232.41719.42
5.4.440.0302.42719.46
5.4.430.0232.45319.29
5.4.420.0132.42319.46
5.4.410.0372.44719.32
5.4.400.0232.42018.96
5.4.390.0232.32719.13
5.4.380.0172.42018.95
5.4.370.0302.40319.13
5.4.360.0302.43019.09
5.4.350.0272.40719.28
5.4.340.0332.43718.91
5.4.320.0132.03012.57
5.4.310.0131.98812.56
5.4.300.0321.96112.57
5.4.290.0121.99412.55
5.4.280.0061.99512.46
5.4.270.0151.98312.46
5.4.260.0071.99412.46
5.4.250.0101.99212.46
5.4.240.0081.99412.46
5.4.230.0091.99212.45
5.4.220.0251.97312.45
5.4.210.0141.98812.45
5.4.200.0081.99312.45
5.4.190.0181.87212.45
5.4.180.0201.91312.45
5.4.170.0101.93712.46
5.4.160.0181.97712.45
5.4.150.0051.99712.45
5.4.140.0111.99012.13
5.4.130.0081.99212.12
5.4.120.0101.99212.08
5.4.110.0131.98812.07
5.4.100.0211.98412.08
5.4.90.0121.98012.07
5.4.80.0131.98612.07
5.4.70.0061.99012.07
5.4.60.0101.98512.07
5.4.50.0191.98212.07
5.4.40.0071.99512.06
5.4.30.0051.99512.05
5.4.20.0071.99212.05
5.4.10.0081.99312.06
5.4.00.0081.99311.55
5.3.290.0050.04212.80
5.3.280.0060.03812.71
5.3.270.0090.03512.73
5.3.260.0050.03912.72
5.3.250.0070.04012.72
5.3.240.0040.03912.72
5.3.230.0050.03812.71
5.3.220.0080.04012.68
5.3.210.0060.04312.68
5.3.200.0050.03812.68
5.3.190.0070.03712.68
5.3.180.0070.03512.67
5.3.170.0070.03612.68
5.3.160.0050.03712.67
5.3.150.0050.03812.67
5.3.140.0060.04212.66
5.3.130.0060.03912.66
5.3.120.0080.03912.66
5.3.110.0060.03812.66
5.3.100.0070.03612.14
5.3.90.0040.03912.13
5.3.80.0050.05212.12
5.3.70.0050.03712.12
5.3.60.0050.04212.11
5.3.50.0060.03512.05
5.3.40.0030.03912.05
5.3.30.0050.04712.01
5.3.20.0070.03611.79
5.3.10.0060.04711.76
5.3.00.0040.03811.74
5.2.170.0020.0339.18
5.2.160.0070.0269.18
5.2.150.0040.0419.18
5.2.140.0050.0309.18
5.2.130.0050.0289.14
5.2.120.0040.0319.14
5.2.110.0040.0309.15
5.2.100.0060.0279.14
5.2.90.0040.0309.15
5.2.80.0030.0339.14
5.2.70.0030.0329.14
5.2.60.0060.0289.09
5.2.50.0060.0309.06
5.2.40.0070.0289.04
5.2.30.0030.0329.01
5.2.20.0070.0369.01
5.2.10.0040.0308.93
5.2.00.0050.0328.79
5.1.60.0040.0248.07
5.1.50.0030.0328.07
5.1.40.0030.0258.05
5.1.30.0090.0318.40
5.1.20.0070.0258.42
5.1.10.0050.0278.14
5.1.00.0070.0238.14
5.0.50.0020.0296.63
5.0.40.0030.0226.48
5.0.30.0060.0296.30
5.0.20.0040.0196.27
5.0.10.0020.0286.25
5.0.00.0050.0356.23
4.4.90.0060.0174.78
4.4.80.0020.0164.75
4.4.70.0030.0154.75
4.4.60.0040.0144.76
4.4.50.0090.0164.77
4.4.40.0020.0274.71
4.4.30.0030.0154.76
4.4.20.0020.0164.85
4.4.10.0020.0164.85
4.4.00.0030.0264.75
4.3.110.0050.0134.67
4.3.100.0040.0144.66
4.3.90.0010.0164.63
4.3.80.0050.0224.58
4.3.70.0000.0174.63
4.3.60.0050.0134.63
4.3.50.0030.0164.63
4.3.40.0040.0244.54
4.3.30.0020.0203.29
4.3.20.0020.0163.26
4.3.10.0020.0163.22
4.3.00.0030.0208.25

preferences:
42.54 ms | 401 KiB | 5 Q