Leverage non-capturing catches

Author: fancyweb

Inline.php

@@ -370,7 +370,7 @@ private static function parseSequence(string $sequence, int $flags, int &$i = 0,
                         try {
                             $pos = 0;
                             $value = self::parseMapping('{'.$value.'}', $flags, $pos, $references);
-                        } catch (\InvalidArgumentException $e) {
+                        } catch (\InvalidArgumentException) {
                             // no, it's not
                         }
                     }
@@ -675,7 +675,7 @@ private static function evaluateScalar(string $scalar, int $flags, array &$refer
                             if (false !== $scalar = $time->getTimestamp()) {
                                 return $scalar;
                             }
-                        } catch (\ValueError $e) {
+                        } catch (\ValueError) {
                             // no-op
                         }
 

Parser.php

@@ -475,7 +475,7 @@ private function doParse(string $value, int $flags)
 
                     try {
                         return Inline::parse(trim($value));
-                    } catch (ParseException $e) {
+                    } catch (ParseException) {
                         // fall-through to the ParseException thrown below
                     }
                 }