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 !== '') { $token = NULL; switch (substr($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)
8.3.60.0110.00416.50
8.3.50.0080.01022.00
8.3.40.0090.00618.70
8.3.30.0160.00018.96
8.3.20.0080.00020.35
8.3.10.0100.00323.70
8.3.00.0080.00019.11
8.2.180.0110.01118.11
8.2.170.0220.00022.96
8.2.160.0100.00720.53
8.2.150.0060.00324.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0080.00022.25
8.2.110.0100.00022.20
8.2.100.0120.00017.78
8.2.90.0000.00719.09
8.2.80.0030.00517.97
8.2.70.0000.00817.50
8.2.60.0040.00417.92
8.2.50.0040.00418.07
8.2.40.0030.00519.82
8.2.30.0000.00717.89
8.2.20.0040.00417.50
8.2.10.0040.00417.95
8.2.00.0060.00317.64
8.1.280.0100.01025.92
8.1.270.0080.00024.01
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00923.80
8.1.230.0070.00719.11
8.1.220.0040.00417.74
8.1.210.0090.00018.77
8.1.200.0030.00617.22
8.1.190.0060.00317.10
8.1.180.0060.00318.10
8.1.170.0040.00418.45
8.1.160.0030.00622.02
8.1.150.0000.00718.47
8.1.140.0040.00417.46
8.1.130.0030.00517.79
8.1.120.0000.00717.36
8.1.110.0040.00417.36
8.1.100.0000.00817.27
8.1.90.0000.00717.24
8.1.80.0000.00817.36
8.1.70.0000.00717.29
8.1.60.0060.00317.39
8.1.50.0080.00017.47
8.1.40.0030.00617.41
8.1.30.0000.00817.40
8.1.20.0040.00417.43
8.1.10.0000.00817.45
8.1.00.0000.00817.37
8.0.300.0000.00718.77
8.0.290.0070.00017.18
8.0.280.0030.00318.40
8.0.270.0040.00417.09
8.0.260.0080.00017.12
8.0.250.0030.00316.93
8.0.240.0040.00416.91
8.0.230.0030.00416.93
8.0.220.0080.00016.93
8.0.210.0020.00516.89
8.0.200.0060.00316.88
8.0.190.0000.00816.97
8.0.180.0040.00416.90
8.0.170.0040.00416.89
8.0.160.0000.00716.88
8.0.150.0070.00016.80
8.0.140.0070.00016.81
8.0.130.0030.00313.29
8.0.120.0080.00016.72
8.0.110.0030.00516.90
8.0.100.0070.00016.89
8.0.90.0020.00516.68
8.0.80.0000.01616.85
8.0.70.0040.00416.82
8.0.60.0000.00716.84
8.0.50.0000.00716.80
8.0.30.0120.00817.00
8.0.20.0050.01217.40
8.0.10.0000.00816.89
8.0.00.0100.01016.75
7.4.330.0031.99015.00
7.4.320.0002.00116.50
7.4.300.0031.99816.48
7.4.290.0031.99916.44
7.4.280.0002.00616.50
7.4.270.0071.99516.42
7.4.260.0071.99416.57
7.4.250.0031.99816.48
7.4.240.0022.00016.57
7.4.230.0071.99616.70
7.4.220.0191.98516.66
7.4.210.0111.99216.56
7.4.200.0071.99716.56
7.4.190.0101.99016.60
7.4.160.0071.98816.66
7.4.150.0032.00017.40
7.4.140.0161.98217.86
7.4.130.0131.98716.62
7.4.120.0491.95416.60
7.4.110.0232.35616.55
7.4.100.0102.45516.56
7.4.90.0072.44816.47
7.4.80.0192.39919.39
7.4.70.0102.45616.45
7.4.60.0102.44216.56
7.4.50.0032.49616.31
7.4.40.0222.35016.46
7.4.30.0162.44216.63
7.4.00.0102.48814.80
7.3.330.0401.94513.33
7.3.320.0002.00113.50
7.3.310.0032.00116.41
7.3.300.0002.00316.36
7.3.290.0201.98216.27
7.3.280.0061.99716.36
7.3.270.0091.98117.40
7.3.260.0061.99616.41
7.3.250.0111.99116.44
7.3.240.0201.97816.54
7.3.230.0162.43116.60
7.3.210.0072.47216.20
7.3.200.0102.45119.39
7.3.190.0222.28916.43
7.3.180.0072.27416.53
7.3.170.0232.37816.35
7.3.160.0102.47316.41
7.3.120.0072.49014.86
7.2.330.0102.46816.89
7.2.320.0332.28416.77
7.2.310.0102.44716.80
7.2.300.0132.46816.74
7.2.290.0162.36716.76
7.2.00.0072.49419.41
7.1.100.0102.49018.18
7.1.70.0072.49517.10
7.1.60.0102.49119.46
7.1.50.0172.48517.11
7.1.00.0072.49322.45
7.0.200.1132.36014.83
7.0.140.0032.49722.20
7.0.70.0032.49719.97
7.0.60.0032.49720.05
7.0.50.0072.49320.48
7.0.40.0032.49720.15
7.0.30.0032.49720.11
7.0.20.0072.49320.14
7.0.10.0072.49320.14
7.0.00.0102.49020.17
5.6.280.0032.49721.20
5.6.220.0102.49020.80
5.6.210.0102.49020.63
5.6.200.0002.50021.13
5.6.190.0072.49321.18
5.6.180.0032.49721.09
5.6.170.0072.49321.09
5.6.160.0132.48721.08
5.6.150.0002.50021.20
5.6.140.0032.49721.02
5.6.130.0132.48721.07
5.6.120.0132.48721.11
5.6.110.0102.49021.01
5.6.100.0002.50020.93
5.6.90.0102.49021.13
5.6.80.0102.49020.39
5.6.70.0072.49320.43
5.6.60.0102.49020.39
5.6.50.0032.49720.47
5.6.40.0002.50020.41
5.6.30.0072.49320.43
5.6.20.0102.49020.49
5.6.10.0072.49320.46
5.6.00.0072.49320.53
5.5.360.0202.27020.46
5.5.350.0332.20720.49
5.5.340.0431.83020.96
5.5.330.0301.99721.03
5.5.320.0201.95320.93
5.5.310.0102.26020.78
5.5.300.0532.36721.05
5.5.290.0302.41021.01
5.5.280.0272.28320.79
5.5.270.0232.43320.98
5.5.260.0102.23720.77
5.5.250.0131.93720.81
5.5.240.0132.07020.32
5.5.230.0272.44720.34
5.5.220.0172.44720.38
5.5.210.0272.43020.40
5.5.200.0372.43320.14
5.5.190.0232.42020.39
5.5.180.0232.40720.34
5.5.160.0402.39020.18
5.5.150.0272.43020.13
5.5.140.0172.35020.31
5.5.130.0131.96020.35
5.5.120.0272.13720.35
5.5.110.0232.38020.25
5.5.100.0232.41020.25
5.5.90.0272.43720.20
5.5.80.0102.46320.09
5.5.70.0232.43320.14
5.5.60.0132.46320.15
5.5.50.0272.40720.09
5.5.40.0372.38720.23
5.5.30.0132.44720.18
5.5.20.0132.44020.13
5.5.10.0202.42320.10
5.5.00.0172.46320.15
5.4.450.0332.39319.48
5.4.440.0232.40319.28
5.4.430.0402.41019.33
5.4.420.0202.42719.41
5.4.410.0102.06319.10
5.4.400.0171.94319.11
5.4.390.0272.26718.91
5.4.380.0072.48319.28
5.4.370.0202.43319.09
5.4.360.0172.45719.13
5.4.350.0232.43718.90
5.4.340.0232.32719.16
5.4.320.0132.39319.11
5.4.310.0372.39719.09
5.4.300.0132.12318.91
5.4.290.0172.01318.91
5.4.280.0201.98319.08
5.4.270.0272.40019.11
5.4.260.0372.41719.09
5.4.250.0172.44719.27
5.4.240.0102.48019.08
5.4.230.0102.42718.92
5.4.220.0202.37719.08
5.4.210.0232.45019.12
5.4.200.0172.43718.94
5.4.190.0232.44319.24
5.4.180.0232.46018.90
5.4.170.0172.44019.11
5.4.160.0332.38318.88
5.4.150.0132.13018.93
5.4.140.0171.86316.41
5.4.130.0002.13716.62
5.4.120.0271.99016.47
5.4.110.0071.93316.54
5.4.100.0132.22016.48
5.4.90.0232.43316.54
5.4.80.0102.45716.59
5.4.70.0072.41716.43
5.4.60.0272.38716.54
5.4.50.0232.40716.25
5.4.40.0332.38316.58
5.4.30.0102.44016.30
5.4.20.0272.41716.52
5.4.10.0102.44716.41
5.4.00.0372.21315.97
5.3.290.0100.07314.68
5.3.280.0130.07014.60
5.3.270.0070.07714.64
5.3.260.0100.07714.57
5.3.250.0030.05314.60
5.3.240.0100.06714.61
5.3.230.0030.07314.73
5.3.220.0130.07014.70
5.3.210.0070.07714.67
5.3.200.0000.04314.56
5.3.190.0000.04014.59
5.3.180.0030.03714.71
5.3.170.0030.07714.69
5.3.160.0070.08014.58
5.3.150.0100.04014.64
5.3.140.0030.07314.63
5.3.130.0030.06014.55
5.3.120.0030.07314.54
5.3.110.0070.07014.55
5.3.100.0130.06314.16
5.3.90.0070.07014.17
5.3.80.0070.06313.91
5.3.70.0070.06014.09
5.3.60.0100.07313.90
5.3.50.0000.05313.87
5.3.40.0030.08013.89
5.3.30.0030.07313.90
5.3.20.0100.06713.84
5.3.10.0000.05713.66
5.3.00.0070.06013.64
5.2.170.0100.05712.37
5.2.160.0030.03712.37
5.2.150.0030.04012.37
5.2.140.0070.05312.37
5.2.130.0100.06012.37
5.2.120.0030.06312.37
5.2.110.0100.03712.37
5.2.100.0030.03312.37
5.2.90.0000.03012.37
5.2.80.0030.05712.37
5.2.70.0070.06312.37
5.2.60.0030.06312.37
5.2.50.0030.05312.37
5.2.40.0000.05312.37
5.2.30.0070.04712.37
5.2.20.0000.04312.37
5.2.10.0100.05712.37
5.2.00.0030.05712.37
5.1.60.0100.04312.37
5.1.50.0030.02712.37
5.1.40.0000.05712.37
5.1.30.0030.06012.37
5.1.20.0100.05012.37
5.1.10.0000.06012.37
5.1.00.0070.05012.37
5.0.50.0030.04312.37
5.0.40.0100.03712.37
5.0.30.0030.06012.37
5.0.20.0030.03712.37
5.0.10.0000.03712.37
5.0.00.0000.06012.37
4.4.90.0000.04312.37
4.4.80.0030.03012.37
4.4.70.0030.03312.37
4.4.60.0000.03012.37
4.4.50.0000.02712.37
4.4.40.0070.03312.37
4.4.30.0070.02312.37
4.4.20.0000.03712.37
4.4.10.0000.03712.37
4.4.00.0030.04712.37
4.3.110.0000.03712.37
4.3.100.0030.03312.37
4.3.90.0070.02712.37
4.3.80.0030.05312.37
4.3.70.0030.02312.37
4.3.60.0070.03012.37
4.3.50.0000.03712.37
4.3.40.0000.05312.37
4.3.30.0000.02712.37
4.3.20.0000.04012.37
4.3.10.0030.03012.37
4.3.00.0030.03312.37

preferences:
42.79 ms | 401 KiB | 5 Q