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 $brk; } } while (true); } function lookAhead() { return mb_strcut($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)
8.3.60.0140.00018.51
8.3.50.0040.01122.04
8.3.40.0040.01118.98
8.3.30.0040.01218.75
8.3.20.0060.00318.75
8.3.10.0030.00621.00
8.3.00.0080.00021.73
8.2.180.0130.00616.50
8.2.170.0060.00922.96
8.2.160.0140.00022.01
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00420.97
8.2.110.0000.01120.43
8.2.100.0120.00018.04
8.2.90.0050.00318.16
8.2.80.0050.00317.97
8.2.70.0080.00017.63
8.2.60.0040.00418.03
8.2.50.0080.00018.07
8.2.40.0040.00418.34
8.2.30.0060.00321.32
8.2.20.0100.00017.72
8.2.10.0040.00417.77
8.2.00.0030.00617.88
8.1.280.0080.00825.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.06
8.1.230.0070.00422.70
8.1.220.0080.00017.91
8.1.210.0050.00318.97
8.1.200.0000.00917.48
8.1.190.0030.00617.54
8.1.180.0050.00318.10
8.1.170.0060.00318.64
8.1.160.0040.00819.00
8.1.150.0050.00218.61
8.1.140.0050.00217.38
8.1.130.0030.00317.84
8.1.120.0070.00017.38
8.1.110.0000.00717.36
8.1.100.0030.00317.50
8.1.90.0000.00717.39
8.1.80.0000.00717.42
8.1.70.0000.00817.43
8.1.60.0030.00517.64
8.1.50.0040.00417.51
8.1.40.0050.00217.51
8.1.30.0030.00517.48
8.1.20.0000.00817.72
8.1.10.0040.00417.58
8.1.00.0030.00617.63
8.0.300.0030.00320.21
8.0.290.0030.00517.18
8.0.280.0040.00418.48
8.0.270.0030.00317.34
8.0.260.0030.00316.90
8.0.250.0080.00017.07
8.0.240.0000.00817.10
8.0.230.0000.00717.05
8.0.220.0030.00317.03
8.0.210.0030.00317.00
8.0.200.0030.00317.05
8.0.190.0000.00817.14
8.0.180.0000.00716.98
8.0.170.0050.00317.05
8.0.160.0040.00417.07
8.0.150.0040.00416.87
8.0.140.0000.00716.88
8.0.130.0030.00313.41
8.0.120.0030.00617.01
8.0.110.0050.00316.89
8.0.100.0000.00716.95
8.0.90.0080.00017.02
8.0.80.0120.00917.09
8.0.70.0070.00016.89
8.0.60.0050.00217.13
8.0.50.0000.00817.00
8.0.30.0110.01217.21
8.0.20.0090.01017.40
8.0.10.0040.00417.05
8.0.00.0110.00816.87
7.4.330.0000.00516.67
7.4.320.0030.00316.60
7.4.300.0030.00316.50
7.4.290.0040.00416.49
7.4.280.0040.00416.41
7.4.270.0070.00016.60
7.4.260.0050.00013.24
7.4.250.0000.00716.57
7.4.240.0000.00716.53
7.4.230.0040.00416.32
7.4.220.0060.01216.57
7.4.210.0040.01216.55
7.4.200.0040.00416.70
7.4.190.0030.00316.76
7.4.160.0060.01016.78
7.4.150.0060.01817.40
7.4.140.0120.00717.86
7.4.130.0090.00816.46
7.4.120.0130.00816.52
7.4.110.0130.00316.55
7.4.100.0140.00316.49
7.4.90.0090.00916.49
7.4.80.0030.01319.39
7.4.70.0040.01216.36
7.4.60.0070.01016.62
7.4.50.0030.00516.41
7.4.40.0100.00622.77
7.4.30.0100.01016.43
7.4.00.0070.01015.05
7.3.330.0030.00313.29
7.3.320.0000.00513.24
7.3.310.0030.00316.43
7.3.300.0060.00016.44
7.3.290.0120.00316.35
7.3.280.0040.01216.47
7.3.270.0110.00717.40
7.3.260.0130.00918.24
7.3.250.0090.01016.65
7.3.240.0100.01016.40
7.3.230.0130.00316.39
7.3.210.0090.01116.49
7.3.200.0090.01319.39
7.3.190.0070.01316.54
7.3.180.0030.01316.42
7.3.170.0140.00716.63
7.3.160.0090.00616.51
7.3.120.0140.00014.72
7.2.330.0090.01516.82
7.2.320.0030.01416.87
7.2.310.0110.00816.92
7.2.300.0060.01316.48
7.2.290.0120.00616.64
7.1.70.0040.00417.20
7.1.60.0100.01319.40
7.1.50.0120.01217.02
7.1.00.0030.04322.29
7.0.200.0000.00816.89
7.0.140.0130.06722.04
7.0.70.0070.07321.71
7.0.60.0070.06721.82
7.0.50.0000.04322.12
7.0.40.0100.08320.08
7.0.30.0030.08020.05
7.0.20.0030.07720.03
7.0.10.0070.08320.03
7.0.00.0000.08319.99
5.6.220.0030.07020.75
5.6.210.0170.07320.65
5.6.200.0000.06321.18
5.6.190.0030.07321.00
5.6.180.0070.05721.10
5.6.170.0030.08021.06
5.6.160.0000.06321.05
5.6.150.0030.09020.97
5.6.140.0070.06721.01
5.6.130.0100.07720.96
5.6.120.0100.06321.02
5.6.110.0070.08721.02
5.6.100.0030.08321.10
5.6.90.0070.04020.95
5.6.80.0100.03320.36
5.6.70.0030.06320.48
5.6.60.0030.05720.42
5.6.50.0000.05320.45
5.6.40.0100.06720.41
5.6.30.0030.05020.46
5.6.20.0030.08320.41
5.6.10.0100.04720.40
5.6.00.0070.07720.29
5.5.360.0030.05320.46
5.5.350.0170.05320.37
5.5.340.0000.08720.93
5.5.330.0030.07720.75
5.5.320.0100.06320.79
5.5.310.0000.07320.82
5.5.300.0030.08320.87
5.5.290.0030.08720.79
5.5.280.0030.07320.74
5.5.270.0130.08020.76
5.5.260.0100.07320.77
5.5.250.0000.05020.71
5.5.240.0030.03720.27
5.5.230.0000.03320.13
5.5.220.0030.06320.19
5.5.210.0000.08020.25
5.5.200.0070.04320.14
5.5.190.0000.08720.23
5.5.180.0000.08720.12
5.5.160.0030.06320.17
5.5.150.0100.07020.20
5.5.140.0130.05020.12
5.5.130.0100.04020.26
5.5.120.0070.06320.11
5.5.110.0000.07720.06
5.5.100.0000.06320.06
5.5.90.0030.07719.94
5.5.80.0070.05320.08
5.5.70.0070.07720.05
5.5.60.0070.04719.92
5.5.50.0030.08020.17
5.5.40.0100.07720.17
5.5.30.0130.04020.13
5.5.20.0000.08320.09
5.5.10.0000.05020.11
5.5.00.0070.05720.03
5.4.450.0030.07319.49
5.4.440.0070.07719.46
5.4.430.0000.07319.22
5.4.420.0070.06719.17
5.4.410.0070.05719.32
5.4.400.0030.06018.95
5.4.390.0070.06319.03
5.4.380.0000.03318.90
5.4.370.0000.07719.20
5.4.360.0030.05719.18
5.4.350.0170.06718.90
5.4.340.0000.08319.15
5.4.320.0030.08319.05
5.4.310.0030.07019.03
5.4.300.0000.06019.13
5.4.290.0000.08019.13
5.4.280.0030.08019.20
5.4.270.0170.06019.18
5.4.260.0100.07019.18
5.4.250.0030.08019.12
5.4.240.0070.05019.11
5.4.230.0070.07719.17
5.4.220.0070.07319.11
5.4.210.0000.07719.11
5.4.200.0070.06319.13
5.4.190.0030.07718.94
5.4.180.0030.05719.16
5.4.170.0000.08018.86
5.4.160.0030.07318.86
5.4.150.0070.07019.16
5.4.140.0100.04716.45
5.4.130.0000.07316.46
5.4.120.0030.07316.50
5.4.110.0030.07316.56
5.4.100.0100.06016.49
5.4.90.0030.05316.48
5.4.80.0030.07316.38
5.4.70.0030.05716.51
5.4.60.0070.07316.42
5.4.50.0070.05316.29
5.4.40.0030.07316.50
5.4.30.0030.05016.36
5.4.20.0030.07016.47
5.4.10.0000.06016.43
5.4.00.0070.05715.86
5.3.290.0030.07714.70
5.3.280.0000.06314.61
5.3.270.0070.04014.65
5.3.260.0030.05014.61
5.3.250.0030.07014.59
5.3.240.0000.07714.56
5.3.230.0000.07314.75
5.3.220.0070.06314.50
5.3.210.0100.05714.57
5.3.200.0030.05014.53
5.3.190.0030.07714.64
5.3.180.0030.08014.60
5.3.170.0070.07714.63
5.3.160.0070.06314.63
5.3.150.0030.04714.53
5.3.140.0000.06714.50
5.3.130.0000.07714.59
5.3.120.0070.08014.54
5.3.110.0030.05314.48
5.3.100.0030.08014.03
5.3.90.0030.07014.09
5.3.80.0030.05713.93
5.3.70.0000.08014.04
5.3.60.0000.08013.95
5.3.50.0100.06713.85
5.3.40.0070.06313.89
5.3.30.0030.07713.98
5.3.20.0130.06713.80
5.3.10.0030.06013.78
5.3.00.0030.06713.77
5.2.170.0000.06712.25
5.2.160.0070.05712.25
5.2.150.0000.05312.25
5.2.140.0070.05012.25
5.2.130.0100.04012.25
5.2.120.0000.05712.25
5.2.110.0000.04012.25
5.2.100.0100.05012.25
5.2.90.0030.06312.25
5.2.80.0070.05312.25
5.2.70.0030.05712.25
5.2.60.0000.06312.25
5.2.50.0070.05312.25
5.2.40.0030.05312.25
5.2.30.0030.05712.25
5.2.20.0030.04012.25
5.2.10.0030.06012.25
5.2.00.0000.03712.25
5.1.60.0030.05012.25
5.1.50.0000.05712.25
5.1.40.0000.03312.25
5.1.30.0030.05312.25
5.1.20.0030.05712.25
5.1.10.0000.05712.25
5.1.00.0030.05712.25
5.0.50.0070.03312.25
5.0.40.0000.03312.25
5.0.30.0000.07012.25
5.0.20.0000.03712.25
5.0.10.0030.04712.25
5.0.00.0000.06012.25
4.4.90.0030.03312.25
4.4.80.0030.02712.25
4.4.70.0030.03712.25
4.4.60.0030.02312.25
4.4.50.0030.02012.25
4.4.40.0030.04012.25
4.4.30.0000.03012.25
4.4.20.0030.02712.25
4.4.10.0070.03012.25
4.4.00.0000.05312.25
4.3.110.0030.02712.25
4.3.100.0030.02012.25
4.3.90.0000.02312.25
4.3.80.0030.05312.25
4.3.70.0000.03312.25
4.3.60.0070.02012.25
4.3.50.0000.03712.25
4.3.40.0000.05712.25
4.3.30.0000.03012.25
4.3.20.0000.03312.25
4.3.10.0030.02712.25
4.3.00.0000.03312.25

preferences:
46.14 ms | 401 KiB | 5 Q