Add PHPStan (#4021)

* Add PHPStan
#fix https://github.com/FreshRSS/FreshRSS/issues/4016
https://phpstan.org/

```sh
composer run-script phpstan
```

* More fixes

* Fix global variables

* Add .phtml

* Fix merge
https://github.com/FreshRSS/FreshRSS/pull/4090

* Fix more warnings

* Fix view errors and enable in CI

* ReturnTypeWillChange

* Dynamic view type

* Fix Minz static/self bug

3 files changed, 19 insertions, 19 deletions

diff --git a/app/SQL/install.sql.mysql.php b/app/SQL/install.sql.mysql.php
index f8972b186..1fed64fda 100644
--- a/app/SQL/install.sql.mysql.php
+++ b/app/SQL/install.sql.mysql.php
@@ -1,9 +1,9 @@
 <?php
-$SQL_CREATE_DB = <<<'SQL'
+$GLOBALS['SQL_CREATE_DB'] = <<<'SQL'
 CREATE DATABASE IF NOT EXISTS `%1$s` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
 SQL;
 
-$SQL_CREATE_TABLES = <<<'SQL'
+$GLOBALS['SQL_CREATE_TABLES'] = <<<'SQL'
 CREATE TABLE IF NOT EXISTS `_category` (
 	`id` SMALLINT NOT NULL AUTO_INCREMENT,	-- v0.7
 	`name` VARCHAR(191) NOT NULL,	-- Max index length for Unicode is 191 characters (767 bytes) FreshRSS_DatabaseDAO::LENGTH_INDEX_UNICODE
@@ -64,11 +64,11 @@ ENGINE = INNODB;
 INSERT IGNORE INTO `_category` (id, name) VALUES(1, "Uncategorized");
 SQL;
 
-$SQL_CREATE_INDEX_ENTRY_1 = <<<'SQL'
+$GLOBALS['SQL_CREATE_INDEX_ENTRY_1'] = <<<'SQL'
 CREATE INDEX `entry_feed_read_index` ON `_entry` (`id_feed`,`is_read`);	-- v1.7
 SQL;
 
-$SQL_CREATE_TABLE_ENTRYTMP = <<<'SQL'
+$GLOBALS['SQL_CREATE_TABLE_ENTRYTMP'] = <<<'SQL'
 CREATE TABLE IF NOT EXISTS `_entrytmp` (	-- v1.7
 	`id` BIGINT NOT NULL,
 	`guid` VARCHAR(760) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
@@ -91,7 +91,7 @@ CREATE TABLE IF NOT EXISTS `_entrytmp` (	-- v1.7
 ENGINE = INNODB;
 SQL;
 
-$SQL_CREATE_TABLE_TAGS = <<<'SQL'
+$GLOBALS['SQL_CREATE_TABLE_TAGS'] = <<<'SQL'
 CREATE TABLE IF NOT EXISTS `_tag` (	-- v1.12
 	`id` SMALLINT NOT NULL AUTO_INCREMENT,
 	`name` VARCHAR(63) NOT NULL,
@@ -112,11 +112,11 @@ CREATE TABLE IF NOT EXISTS `_entrytag` (	-- v1.12
 ENGINE = INNODB;
 SQL;
 
-$SQL_DROP_TABLES = <<<'SQL'
+$GLOBALS['SQL_DROP_TABLES'] = <<<'SQL'
 DROP TABLE IF EXISTS `_entrytag`, `_tag`, `_entrytmp`, `_entry`, `_feed`, `_category`;
 SQL;
 
-$SQL_UPDATE_GUID_LATIN1_BIN = <<<'SQL'
+$GLOBALS['SQL_UPDATE_GUID_LATIN1_BIN'] = <<<'SQL'
 ALTER TABLE `_entrytmp` MODIFY `guid` VARCHAR(760) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL;	-- v1.12
 ALTER TABLE `_entry` MODIFY `guid` VARCHAR(760) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL;
 SQL;
diff --git a/app/SQL/install.sql.pgsql.php b/app/SQL/install.sql.pgsql.php
index c17a45127..5b810deff 100644
--- a/app/SQL/install.sql.pgsql.php
+++ b/app/SQL/install.sql.pgsql.php
@@ -1,9 +1,9 @@
 <?php
-$SQL_CREATE_DB = <<<'SQL'
+$GLOBALS['SQL_CREATE_DB'] = <<<'SQL'
 CREATE DATABASE "%1$s" ENCODING 'UTF8';
 SQL;
 
-$SQL_CREATE_TABLES = <<<'SQL'
+$GLOBALS['SQL_CREATE_TABLES'] = <<<'SQL'
 CREATE TABLE IF NOT EXISTS `_category` (
 	"id" SERIAL PRIMARY KEY,
 	"name" VARCHAR(255) UNIQUE NOT NULL,
@@ -59,11 +59,11 @@ INSERT INTO `_category` (id, name)
 	RETURNING nextval('`_category_id_seq`');
 SQL;
 
-$SQL_CREATE_INDEX_ENTRY_1 = <<<'SQL'
+$GLOBALS['SQL_CREATE_INDEX_ENTRY_1'] = <<<'SQL'
 CREATE INDEX IF NOT EXISTS `_entry_feed_read_index` ON `_entry` ("id_feed","is_read");	-- v1.7
 SQL;
 
-$SQL_CREATE_TABLE_ENTRYTMP = <<<'SQL'
+$GLOBALS['SQL_CREATE_TABLE_ENTRYTMP'] = <<<'SQL'
 CREATE TABLE IF NOT EXISTS `_entrytmp` (	-- v1.7
 	"id" BIGINT NOT NULL PRIMARY KEY,
 	"guid" VARCHAR(760) NOT NULL,
@@ -84,7 +84,7 @@ CREATE TABLE IF NOT EXISTS `_entrytmp` (	-- v1.7
 CREATE INDEX IF NOT EXISTS `_entrytmp_date_index` ON `_entrytmp` ("date");
 SQL;
 
-$SQL_CREATE_TABLE_TAGS = <<<'SQL'
+$GLOBALS['SQL_CREATE_TABLE_TAGS'] = <<<'SQL'
 CREATE TABLE IF NOT EXISTS `_tag` (	-- v1.12
 	"id" SERIAL PRIMARY KEY,
 	"name" VARCHAR(63) UNIQUE NOT NULL,
@@ -100,6 +100,6 @@ CREATE TABLE IF NOT EXISTS `_entrytag` (
 CREATE INDEX IF NOT EXISTS `_entrytag_id_entry_index` ON `_entrytag` ("id_entry");
 SQL;
 
-$SQL_DROP_TABLES = <<<'SQL'
+$GLOBALS['SQL_DROP_TABLES'] = <<<'SQL'
 DROP TABLE IF EXISTS `_entrytag`, `_tag`, `_entrytmp`, `_entry`, `_feed`, `_category`;
 SQL;
diff --git a/app/SQL/install.sql.sqlite.php b/app/SQL/install.sql.sqlite.php
index ff7c03354..74def4d98 100644
--- a/app/SQL/install.sql.sqlite.php
+++ b/app/SQL/install.sql.sqlite.php
@@ -1,9 +1,9 @@
 <?php
-$SQL_CREATE_DB = <<<'SQL'
+$GLOBALS['SQL_CREATE_DB'] = <<<'SQL'
 SELECT 1;	-- Do nothing for SQLite
 SQL;
 
-$SQL_CREATE_TABLES = <<<'SQL'
+$GLOBALS['SQL_CREATE_TABLES'] = <<<'SQL'
 CREATE TABLE IF NOT EXISTS `category` (
 	`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
 	`name` VARCHAR(255) NOT NULL,
@@ -59,11 +59,11 @@ CREATE INDEX IF NOT EXISTS entry_feed_read_index ON `entry`(`id_feed`,`is_read`)
 INSERT OR IGNORE INTO `category` (id, name) VALUES(1, "Uncategorized");
 SQL;
 
-$SQL_CREATE_INDEX_ENTRY_1 = <<<'SQL'
+$GLOBALS['SQL_CREATE_INDEX_ENTRY_1'] = <<<'SQL'
 CREATE INDEX IF NOT EXISTS entry_feed_read_index ON `entry`(`id_feed`,`is_read`);	-- v1.7
 SQL;
 
-$SQL_CREATE_TABLE_ENTRYTMP = <<<'SQL'
+$GLOBALS['SQL_CREATE_TABLE_ENTRYTMP'] = <<<'SQL'
 CREATE TABLE IF NOT EXISTS `entrytmp` (	-- v1.7
 	`id` BIGINT NOT NULL,
 	`guid` VARCHAR(760) NOT NULL,
@@ -85,7 +85,7 @@ CREATE TABLE IF NOT EXISTS `entrytmp` (	-- v1.7
 CREATE INDEX IF NOT EXISTS entrytmp_date_index ON `entrytmp`(`date`);
 SQL;
 
-$SQL_CREATE_TABLE_TAGS = <<<'SQL'
+$GLOBALS['SQL_CREATE_TABLE_TAGS'] = <<<'SQL'
 CREATE TABLE IF NOT EXISTS `tag` (	-- v1.12
 	`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
 	`name` VARCHAR(63) NOT NULL,
@@ -102,7 +102,7 @@ CREATE TABLE IF NOT EXISTS `entrytag` (
 CREATE INDEX IF NOT EXISTS entrytag_id_entry_index ON `entrytag` (`id_entry`);
 SQL;
 
-$SQL_DROP_TABLES = <<<'SQL'
+$GLOBALS['SQL_DROP_TABLES'] = <<<'SQL'
 DROP TABLE IF EXISTS `entrytag`;
 DROP TABLE IF EXISTS `tag`;
 DROP TABLE IF EXISTS `entrytmp`;