PHPStan level 6 for all PDO and Exception classes (#5239)

* PHPStan level 6 for all PDO and Exception classes
Contributes to https://github.com/FreshRSS/FreshRSS/issues/4112

* Fix type

* Now also our remaining own librairies

* Motivation for a few more files

* A few more DAO classes

* Last interface

1 files changed, 6 insertions, 5 deletions

diff --git a/app/Models/BooleanSearch.php b/app/Models/BooleanSearch.php
index 279040a5a..f2e16f972 100644
--- a/app/Models/BooleanSearch.php
+++ b/app/Models/BooleanSearch.php
@@ -10,10 +10,11 @@ class FreshRSS_BooleanSearch {
 	/** @var array<FreshRSS_BooleanSearch|FreshRSS_Search> */
 	private $searches = array();
 
-	/** @var string 'AND' or 'OR' or 'AND NOT' */
+	/** @var 'AND'|'OR'|'AND NOT' */
 	private $operator;
 
-	public function __construct(string $input, int $level = 0, $operator = 'AND') {
+	/** @param 'AND'|'OR'|'AND NOT' $operator */
+	public function __construct(string $input, int $level = 0, string $operator = 'AND') {
 		$this->operator = $operator;
 		$input = trim($input);
 		if ($input == '') {
@@ -221,7 +222,7 @@ class FreshRSS_BooleanSearch {
 		return false;
 	}
 
-	private function parseOrSegments(string $input) {
+	private function parseOrSegments(string $input): void {
 		$input = trim($input);
 		if ($input == '') {
 			return;
@@ -258,13 +259,13 @@ class FreshRSS_BooleanSearch {
 		return $this->searches;
 	}
 
-	/** @return string 'AND' or 'OR' depending on how this BooleanSearch should be combined */
+	/** @return 'AND'|'OR'|'AND NOT' depending on how this BooleanSearch should be combined */
 	public function operator(): string {
 		return $this->operator;
 	}
 
 	/** @param FreshRSS_BooleanSearch|FreshRSS_Search $search */
-	public function add($search) {
+	public function add($search): void {
 		$this->searches[] = $search;
 	}