3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $pos = 0; public $str; function __construct($str) { $this->str = $str; $this->current = $this->lookAhead(); } function isLineBreak() { if ("\r" !== $this->current && "\n" !== $this->current) { return false; } $char = $this->current; do { $brk = ("\n" === $char); $char = $this->lookAhead(); switch ($char) { case " ": return true; case "\n": if ($brk) { return false; } break; default: return false; } } while (true); } function lookAhead() { return mb_strcut($this->str, $this->pos++, 1); } } function crlf($str) { $foo = new Foo($str); return $foo->isLineBreak(); } var_dump(crlf("\r\n")); var_dump(crlf("\r\n ")); var_dump(crlf("\r\r\n")); var_dump(crlf("\n\n")); var_dump(crlf("\n\n ")); var_dump(crlf("\r\n\n")); var_dump(crlf("\r\n\n ")); var_dump(crlf("\r\n8")); var_dump(crlf("\n")); var_dump(crlf("\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)
8.3.60.0110.00416.86
8.3.50.0130.00722.00
8.3.40.0210.00018.98
8.3.30.0030.01019.13
8.3.20.0040.00420.34
8.3.10.0080.00023.64
8.3.00.0000.00819.38
8.2.180.0150.00418.66
8.2.170.0100.01022.96
8.2.160.0130.00020.38
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0030.01026.16
8.2.120.0050.00522.08
8.2.110.0040.00422.25
8.2.100.0090.00317.91
8.2.90.0020.00519.20
8.2.80.0060.00317.97
8.2.70.0040.00417.48
8.2.60.0030.00517.92
8.2.50.0040.00418.07
8.2.40.0030.00618.16
8.2.30.0000.00818.07
8.2.20.0080.00017.87
8.2.10.0040.00418.05
8.2.00.0030.00617.79
8.1.280.0090.00625.92
8.1.270.0030.00623.92
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0040.00423.95
8.1.230.0060.00619.16
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0000.01017.35
8.1.190.0040.00417.39
8.1.180.0040.00418.10
8.1.170.0000.00918.59
8.1.160.0060.00321.93
8.1.150.0040.00418.65
8.1.140.0000.00817.37
8.1.130.0000.00717.74
8.1.120.0080.00017.36
8.1.110.0030.00517.48
8.1.100.0040.00417.45
8.1.90.0040.00417.48
8.1.80.0000.00717.40
8.1.70.0030.00317.40
8.1.60.0000.00917.62
8.1.50.0040.00417.49
8.1.40.0040.00417.59
8.1.30.0060.00317.61
8.1.20.0020.00517.68
8.1.10.0040.00417.61
8.1.00.0000.00817.57
8.0.300.0020.00518.77
8.0.290.0000.00717.05
8.0.280.0000.00818.51
8.0.270.0030.00317.34
8.0.260.0050.00316.95
8.0.250.0030.00317.09
8.0.240.0000.00716.97
8.0.230.0040.00417.07
8.0.220.0050.00317.00
8.0.210.0070.00017.06
8.0.200.0050.00316.95
8.0.190.0060.00617.13
8.0.180.0000.00816.95
8.0.170.0030.00617.05
8.0.160.0000.00716.96
8.0.150.0000.00716.96
8.0.140.0040.00416.93
8.0.130.0000.00613.44
8.0.120.0080.00016.89
8.0.110.0070.00017.06
8.0.100.0040.00416.93
8.0.90.0050.00316.84
8.0.80.0080.00817.05
8.0.70.0080.00016.98
8.0.60.0040.00417.06
8.0.50.0040.00417.06
8.0.30.0100.00917.08
8.0.20.0060.01217.40
8.0.10.0000.00717.07
8.0.00.0140.00316.85
7.4.330.0020.00215.14
7.4.320.0030.00316.46
7.4.300.0030.00316.59
7.4.290.0000.00816.66
7.4.280.0040.00416.50
7.4.270.0000.00716.64
7.4.260.0030.00316.49
7.4.250.0000.00816.59
7.4.240.0030.00316.50
7.4.230.0070.00016.68
7.4.220.0030.01516.49
7.4.210.0110.00716.62
7.4.200.0040.00416.32
7.4.190.0000.00716.59
7.4.160.0070.01016.66
7.4.150.0160.00417.40
7.4.140.0080.01417.86
7.4.130.0090.00916.62
7.4.120.0070.01116.61
7.4.110.0070.01016.61
7.4.100.0130.01116.72
7.4.90.0130.00616.58
7.4.80.0110.00919.39
7.4.70.0110.00616.58
7.4.60.0130.00816.56
7.4.50.0040.00416.62
7.4.40.0100.00322.77
7.4.30.0120.00616.32
7.4.00.0050.01114.72
7.3.330.0000.00513.43
7.3.320.0000.00513.20
7.3.310.0020.00516.48
7.3.300.0000.00616.39
7.3.290.0070.00716.42
7.3.280.0080.01116.46
7.3.270.0070.01117.40
7.3.260.0120.00616.62
7.3.250.0110.00816.52
7.3.240.0060.01116.64
7.3.230.0030.01316.62
7.3.210.0120.00916.46
7.3.200.0100.01019.39
7.3.190.0060.01016.69
7.3.180.0120.00316.60
7.3.170.0100.00616.66
7.3.160.0110.00616.73
7.3.120.0070.01014.88
7.3.110.0040.01514.66
7.3.100.0100.00614.82
7.3.90.0060.00314.69
7.3.80.0070.00414.53
7.3.70.0070.00714.97
7.3.60.0040.01414.84
7.3.50.0000.01314.77
7.3.40.0070.00714.93
7.3.30.0030.01014.87
7.3.20.0080.00816.63
7.3.10.0040.00816.63
7.3.00.0070.00716.75
7.2.330.0110.00616.68
7.2.320.0090.01216.86
7.2.310.0090.00916.84
7.2.300.0070.01016.76
7.2.290.0100.00616.72
7.2.250.0040.01914.75
7.2.240.0120.00615.14
7.2.230.0060.00914.61
7.2.220.0000.01015.21
7.2.210.0090.00614.92
7.2.200.0060.01015.05
7.2.190.0060.00315.31
7.2.180.0000.00914.96
7.2.170.0100.00015.14
7.2.00.0030.00919.50
7.1.330.0100.00715.74
7.1.320.0000.01215.88
7.1.310.0070.00716.10
7.1.300.0030.01315.75
7.1.290.0150.00015.58
7.1.280.0100.00315.73
7.1.270.0030.01015.66
7.1.260.0080.00415.79
7.1.100.0080.00818.21
7.1.70.0060.00317.22
7.1.60.0040.01919.33
7.1.50.0100.01316.89
7.1.00.0070.07322.33
7.0.200.0030.01016.80
7.0.140.0070.07022.11
7.0.100.0100.04319.98
7.0.90.0130.07719.88
7.0.80.0130.07319.88
7.0.70.0370.07019.92
7.0.60.0030.07019.91
7.0.50.0130.04020.31
7.0.40.0100.07720.07
7.0.30.0030.09320.08
7.0.20.0270.05720.04
7.0.10.0130.07720.05
7.0.00.0100.08319.97
5.6.280.0070.06721.14
5.6.250.0070.07320.59
5.6.240.0030.05720.54
5.6.230.0170.04020.59
5.6.220.0100.04720.66
5.6.210.0100.07720.51
5.6.200.0070.09021.04
5.6.190.0030.08321.02
5.6.180.0100.06721.07
5.6.170.0130.04320.89
5.6.160.0000.07320.92
5.6.150.0070.06721.06
5.6.140.0070.08021.05
5.6.130.0030.08721.00
5.6.120.0130.08020.91
5.6.110.0100.07720.97
5.6.100.0000.08721.06
5.6.90.0030.07020.98
5.6.80.0200.03320.35
5.6.70.0100.04720.52
5.6.60.0100.07720.41
5.6.50.0270.06320.48
5.6.40.0100.08020.32
5.6.30.0130.06720.25
5.6.20.0130.07720.36
5.6.10.0030.07320.43
5.6.00.0070.08020.32
5.5.380.0100.08020.36
5.5.370.0100.06320.36
5.5.360.0230.06020.37
5.5.350.0030.05020.36
5.5.340.0070.08020.70
5.5.330.0130.06720.85
5.5.320.0170.07720.60
5.5.310.0100.07320.59
5.5.300.0030.05020.82
5.5.290.0170.07320.76
5.5.280.0100.03720.73
5.5.270.0170.03720.56
5.5.260.0100.08720.72
5.5.250.0100.08020.65
5.5.240.0030.08720.18
5.5.230.0000.07720.23
5.5.220.0130.06720.19
5.5.210.0030.05320.26
5.5.200.0030.05020.11
5.5.190.0170.07020.22
5.5.180.0030.08720.19
5.5.160.0070.06320.18
5.5.150.0100.04320.07
5.5.140.0000.07720.13
5.5.130.0000.08720.20
5.5.120.0200.06720.21
5.5.110.0130.04020.19
5.5.100.0100.07320.07
5.5.90.0000.07019.96
5.5.80.0070.04720.04
5.5.70.0130.07720.11
5.5.60.0030.04320.02
5.5.50.0070.08020.00
5.5.40.0030.05720.02
5.5.30.0030.06320.04
5.5.20.0030.07720.06
5.5.10.0130.06720.02
5.5.00.0070.03719.99
5.4.450.0100.03719.21
5.4.440.0000.09019.27
5.4.430.0100.08319.44
5.4.420.0070.03719.20
5.4.410.0070.06719.10
5.4.400.0070.07719.16
5.4.390.0170.06319.12
5.4.380.0030.09719.09
5.4.370.0000.08718.90
5.4.360.0030.07318.85
5.4.350.0070.07019.03
5.4.340.0070.07719.23
5.4.320.0100.04719.14
5.4.310.0000.04319.04
5.4.300.0030.08019.02
5.4.290.0030.07719.02
5.4.280.0170.05719.18
5.4.270.0170.04319.03
5.4.260.0170.06719.18
5.4.250.0070.07719.13
5.4.240.0030.06319.17
5.4.230.0130.07319.17
5.4.220.0070.05718.87
5.4.210.0100.02718.89
5.4.200.0130.03019.20
5.4.190.0000.08019.17
5.4.180.0070.06319.03
5.4.170.0100.07318.84
5.4.160.0070.06719.02
5.4.150.0030.08319.16
5.4.140.0030.07716.49
5.4.130.0070.06016.31
5.4.120.0030.06716.45
5.4.110.0030.04716.56
5.4.100.0100.05716.48
5.4.90.0030.04316.52
5.4.80.0070.04016.55
5.4.70.0070.03716.50
5.4.60.0100.06716.33
5.4.50.0070.07016.44
5.4.40.0000.06016.36
5.4.30.0000.04716.33
5.4.20.0030.07316.43
5.4.10.0130.06016.46
5.4.00.0070.06015.71
5.3.290.0030.08314.73
5.3.280.0030.07714.63
5.3.270.0070.04014.63
5.3.260.0070.07714.71
5.3.250.0030.04714.59
5.3.240.0030.04314.54
5.3.230.0070.05314.61
5.3.220.0070.04714.55
5.3.210.0100.07714.71
5.3.200.0000.06314.65
5.3.190.0100.07314.59
5.3.180.0000.06314.70
5.3.170.0170.06014.71
5.3.160.0070.05014.58
5.3.150.0130.07314.56
5.3.140.0070.07314.62
5.3.130.0100.07314.49
5.3.120.0070.08314.57
5.3.110.0070.03714.57
5.3.100.0070.08013.99
5.3.90.0130.03313.95
5.3.80.0000.06013.93
5.3.70.0070.04014.05
5.3.60.0100.07014.10
5.3.50.0030.08014.07
5.3.40.0230.03314.07
5.3.30.0070.05013.98
5.3.20.0130.04713.74
5.3.10.0130.06713.70
5.3.00.0030.06713.75
5.2.170.0030.06311.05
5.2.160.0070.06011.04
5.2.150.0070.06011.06
5.2.140.0000.04011.22
5.2.130.0030.02711.23
5.2.120.0030.06011.18
5.2.110.0030.04711.04
5.2.100.0070.06011.03
5.2.90.0030.02711.22
5.2.80.0030.05311.17
5.2.70.0070.02311.13
5.2.60.0100.05310.96
5.2.50.0030.04711.16
5.2.40.0100.05311.03
5.2.30.0030.03311.07
5.2.20.0030.06710.88
5.2.10.0030.06010.80
5.2.00.0000.03010.79
5.1.60.0070.05010.09
5.1.50.0030.05710.09
5.1.40.0100.03010.06
5.1.30.0030.03710.27
5.1.20.0070.05310.42
5.1.10.0030.0539.96
5.1.00.0100.0279.92
5.0.50.0000.0409.10
5.0.40.0000.0339.10
5.0.30.0000.0379.10
5.0.20.0000.0439.10
5.0.10.0030.0279.10
5.0.00.0000.0679.10
4.4.90.0030.0339.10
4.4.80.0030.0239.10
4.4.70.0030.0179.10
4.4.60.0000.0409.10
4.4.50.0070.0239.10
4.4.40.0030.0279.10
4.4.30.0070.0179.10
4.4.20.0030.0279.10
4.4.10.0070.0339.10
4.4.00.0100.0209.10
4.3.110.0030.0139.10
4.3.100.0000.0209.10
4.3.90.0000.0279.10
4.3.80.0070.0509.10
4.3.70.0000.0239.10
4.3.60.0000.0409.10
4.3.50.0030.0139.10
4.3.40.0070.0409.10
4.3.30.0070.0139.10
4.3.20.0030.0239.10
4.3.10.0030.0309.10
4.3.00.0000.0309.10

preferences:
44.99 ms | 401 KiB | 5 Q