fix argument getting

src/Parsem/Parser.php

@@ -25,9 +25,10 @@ final class Parser
  * 3: filter:10,'arg','another' --> (filter with args)
  * 4: filter --> (only filter name)
  */
-
  public const PATTERN = '/<%\s?([a-zA-Z0-9_]+)(=.+?)?\|?(([a-zA-Z0-9_]+?)(?:\:(?:(?:\\?\'|\\?")?.?(?:\\?\'|\\?")?,?)+?)*?)?\s?%>/m';
 
+ public const LITERALLY_NULL = '__:-LITERALLY_NULL-:__';
+
  /**
  * Parses a string, replacing all template variables with the corresponding values passed in `$arguments`.
  * @return mixed The parsed string or the original `$string` value if it's not string
@@ -191,8 +192,11 @@ public static function getArguments(string $string, ?string $pattern = null): ob
  $defaults = [];
 
  foreach ($matches[1] as $key => $match) {
- if ($matches[3][$key]) {
- $defaults = self::getDefaultValue($matches[2][$key], $defaults);
+ if ($matches[2][$key] !== '') {
+ $default = self::getDefaultValue($matches[2][$key]);
+ if ($default !== static::LITERALLY_NULL) {
+ $defaults[$key] = $default;
+ }
  }
  }
 
@@ -284,18 +288,22 @@ private static function removeDuplicates(array $array): array
  * @param array $defaults
  * @return array
  */
- private static function getDefaultValue(string $defaultMatch, array $defaults): array
+ private static function getDefaultValue(string $defaultMatch): mixed
  {
  $default = trim($defaultMatch, '=') ?? null;
+
+ if (!$default) {
+ return static::LITERALLY_NULL;
+ }
+
  if (is_numeric($default) && !preg_match('/([\'"`])/', $default)) {
- $defaults[] = strpos($default, '.') === false ? (int)$default : (float)$default;
+ return strpos($default, '.') === false ? (int)$default : (float)$default;
  } else if (in_array($default, ['false', 'true'])) {
- $defaults[] = (bool)trim($default, '\'"`');
+ return (bool)trim($default, '\'"`');
  } else if ($default === 'null') {
- $defaults[] = null;
+ return null;
  } else {
- $defaults[] = (string)trim($default, '\'"`\\');
+ return (string)trim($default, '\'"`\\');
  }
- return $defaults;
  }
 }