3v4l.org

run code in 300+ PHP versions simultaneously
<?php function parse_literal($str) { $str = (string)$str; if (((string)(int)$str) === $str) { return (int)$str; } else if (((string)(float)$str) === $str)} { return (float)$str; } else if (0 === strcasecmp($str, 'true')) { return true; } else if (0 === strcasecmp($str, 'false')) { return false; } else if (0 === strcasecmp($str, 'null')) { return false; } else if (preg_match('<^"((?:[^"\\\\]|\\\\.)*)"|\'((?:[^\'\\\\]|\\\\.)*)\'$>', $str)) { return eval('return ' . $str); } } var_dump(parse_literal('12')); var_dump(parse_literal('12.34')); var_dump(parse_literal('true')); var_dump(parse_literal('false')); var_dump(parse_literal('null')); var_dump(parse_literal('"hello world"')); var_dump(parse_literal('"string with \" quote and escape sequences\r\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)
5.4.320.0070.04312.52
5.4.310.0090.04212.51
5.4.300.0050.03612.52
5.4.290.0070.03612.51
5.4.280.0070.04312.41
5.4.270.0070.04312.41
5.4.260.0070.03612.41
5.4.250.0050.04312.41
5.4.240.0060.03812.41
5.4.230.0110.03812.40
5.4.220.0070.03512.40
5.4.210.0060.03412.40
5.4.200.0050.03812.40
5.4.190.0050.03712.40
5.4.180.0070.03812.40
5.4.170.0050.03812.40
5.4.160.0080.03412.40
5.4.150.0060.04012.40
5.4.140.0070.03912.09
5.4.130.0080.03412.07
5.4.120.0070.03412.03
5.4.110.0050.03812.03
5.4.100.0040.04212.03
5.4.90.0070.03812.03
5.4.80.0060.04312.03
5.4.70.0070.04012.03
5.4.60.0040.03812.03
5.4.50.0050.04912.03
5.4.40.0050.03812.01
5.4.30.0050.03612.01
5.4.20.0050.03512.01
5.4.10.0080.03812.01
5.4.00.0080.03711.51
5.3.290.0080.03912.80
5.3.280.0050.03812.71
5.3.270.0050.03912.72
5.3.260.0060.04012.72
5.3.250.0060.04212.72
5.3.240.0040.04612.72
5.3.230.0070.04212.71
5.3.220.0080.04212.68
5.3.210.0050.05112.68
5.3.200.0050.03812.68
5.3.190.0090.03612.68
5.3.180.0070.03512.68
5.3.170.0060.03612.67
5.3.160.0070.03812.67
5.3.150.0050.03612.67
5.3.140.0080.03312.66
5.3.130.0080.03712.66
5.3.120.0080.05012.66
5.3.110.0050.04412.66
5.3.100.0050.04112.13
5.3.90.0090.03312.11
5.3.80.0050.03712.10
5.3.70.0070.03412.10
5.3.60.0050.04512.09
5.3.50.0050.03812.03
5.3.40.0050.03612.03
5.3.30.0100.03411.98
5.3.20.0100.03411.76
5.3.10.0040.03811.74
5.3.00.0080.03811.72
5.2.170.0040.0309.22
5.2.160.0040.0299.22
5.2.150.0050.0349.22
5.2.140.0050.0339.22
5.2.130.0040.0299.18
5.2.120.0050.0329.18
5.2.110.0040.0329.18
5.2.100.0050.0279.18
5.2.90.0040.0339.18
5.2.80.0050.0349.17
5.2.70.0070.0339.18
5.2.60.0050.0329.13
5.2.50.0040.0429.10
5.2.40.0060.0329.07
5.2.30.0050.0309.05
5.2.20.0020.0309.04
5.2.10.0080.0308.95
5.2.00.0060.0328.81
5.1.60.0050.0278.09
5.1.50.0030.0348.09
5.1.40.0040.0258.06
5.1.30.0040.0268.42
5.1.20.0050.0298.44
5.1.10.0040.0258.16
5.1.00.0070.0258.16
5.0.50.0040.0226.65
5.0.40.0040.0196.51
5.0.30.0030.0326.31
5.0.20.0050.0176.28
5.0.10.0040.0186.27
5.0.00.0030.0316.26
4.4.90.0040.0144.78
4.4.80.0030.0154.76
4.4.70.0020.0194.75
4.4.60.0010.0174.76
4.4.50.0030.0154.77
4.4.40.0020.0254.71
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0030.0164.85
4.4.00.0040.0234.76
4.3.110.0010.0184.67
4.3.100.0040.0154.67
4.3.90.0040.0144.63
4.3.80.0040.0274.58
4.3.70.0020.0184.63
4.3.60.0030.0144.63
4.3.50.0040.0144.63
4.3.40.0030.0264.54
4.3.30.0020.0213.30
4.3.20.0030.0143.28
4.3.10.0010.0173.24
4.3.00.0030.01316.02

preferences:
142.65 ms | 1394 KiB | 7 Q