<?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"'));
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
- Parse error: syntax error, unexpected '}' in /in/rSWmP on line 7
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected '}' in /in/rSWmP on line 7
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/rSWmP on line 7
Process exited with code 255.
preferences:
236.66 ms | 1395 KiB | 123 Q