static function compile_rules($rules)
{
$compiled_rules = [];
if (is_string($rules)) {
$rules = preg_split('/[\\s,]+/', $rules);
$rules = Arrays::remove($rules);
# remove empty rules, probably unintended by spacing after or before
}
foreach ($rules as $rule) {
$compiled_rules[] = self::compile_rule($rule);
}
return $compiled_rules;
}
static function specialSyntaxKeys($string)
{
if (preg_match('@^([^\\[]+)((\\[[^\\]]*\\])+)$@', $string, $match)) {
//match[1] = array name, match[2] = all keys
//get names of all keys
preg_match_all('@\\[([^\\]]*)\\]@', $match[2], $matches);
//add array name to beginning of keys list
array_unshift($matches[1], $match[1]);
//clear out empty key items
Arrays::remove($matches[1], '', true);
return $matches[1];
}
}
static function explode($separator, $string)
{
$array = explode($separator, $string);
Arrays::remove($array);
return array_values($array);
}
