/**
* Checks elements in an array against a regexp, and if they match, replaces the value with the specified value.
* Boolean and null values are unmodified.
* Other scalar values are matched against the regexp.
* If $aDeep is true, arrays are processed recursively, otherwise they are unmodified.
* All other values are unmodified.
* @param array $aArray Source array.
* @param string $aRegexp A regular expression to match against.
* @param mixed $aSubstitute The substitute value which will replace matched values.
* @param bool $aDeep If true, arrays are processed recursively.
* @return array The new array.
*/
public static function substitute($aArray, $aRegexp, $aSubstitute, $aDeep = false)
{
$arr = array();
foreach ($aArray as $k => $v) {
if (is_bool($v) || is_null($v)) {
$arr[$k] = $v;
} else {
if (is_scalar($v) && preg_match($aRegexp, $v) == 1) {
$arr[$k] = $aSubstitute;
} else {
if (is_array($v) && $aDeep == true) {
$arr[$k] = StructUtils::substitute($v, $aRegexp, $aSubstitute, true);
} else {
$arr[$k] = $v;
}
}
}
}
return $arr;
}
