<?php
$post = array(
'$a' => "Ana",
'$b' => "George"
);
$string = '$a has (2 * 10 + 5) Euro and (10 + 2) cents from $b';
$regex = '#\((([^()]+|(?R))*)\)#';
if (preg_match_all($regex, $string ,$matches)) {
$eqs = $matches[1];
foreach($eqs as $frm) {
$frm_eval = eval("return $frm;");
$string = str_replace('(' . $frm . ')', $frm_eval, $string);
}
echo strtr($string, $post);
} else {
//no parenthesis
echo $string;
}
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
- Ana has 25 Euro and 12 cents from George
preferences:
179.77 ms | 406 KiB | 313 Q