<?php
$input = '((800 + 20) - 800 / 2)';
$tokens = token_get_all("<?php {$input}");
$expr = '';
foreach($tokens as $token){
if(is_string($token)){
if(in_array($token, array('(', ')', '+', '-', '/', '*'), true))
$expr .= $token;
continue;
}
list($id, $text) = $token;
if(in_array($id, array(T_DNUMBER, T_LNUMBER)))
$expr .= $text;
}
eval("\$result = {$expr};")
print "\nexpr = " . $expr;
print "\nres = " . $result;
- Output for 5.4.0 - 5.4.30
- Parse error: syntax error, unexpected 'print' (T_PRINT) in /in/CktQM on line 26
Process exited with code 255. - Output for 5.3.0 - 5.3.28
- Parse error: syntax error, unexpected T_PRINT in /in/CktQM on line 26
Process exited with code 255.
preferences:
177.16 ms | 1395 KiB | 67 Q