Fix PHP 7.4 compatibility (#6038)

Some recent PRs have broken PHP 7.4 compatibility due to `mixed` typing.

6 files changed, 48 insertions, 45 deletions

diff --git a/app/Utils/dotpathUtil.php b/app/Utils/dotpathUtil.php
index aaeb82daa..299b1dcc4 100644
--- a/app/Utils/dotpathUtil.php
+++ b/app/Utils/dotpathUtil.php
@@ -63,7 +63,7 @@ final class FreshRSS_dotpath_Util
 	 * @param mixed $value
 	 * @return bool
 	 */
-	private static function accessible(mixed $value): bool {
+	private static function accessible($value): bool {
 		return is_array($value) || $value instanceof \ArrayAccess;
 	}
 
@@ -84,7 +84,8 @@ final class FreshRSS_dotpath_Util
 		return false;
 	}
 
-	private static function value(mixed $value): mixed {
+	/** @param mixed $value */
+	private static function value($value): mixed {
 		return $value instanceof Closure ? $value() : $value;
 	}
 
diff --git a/app/views/helpers/export/opml.phtml b/app/views/helpers/export/opml.phtml
index 736854f46..0b53a1ce4 100644
--- a/app/views/helpers/export/opml.phtml
+++ b/app/views/helpers/export/opml.phtml
@@ -103,7 +103,7 @@ function feedsToOutlines(array $feeds, bool $excludeMutedFeeds = false): array {
 		}
 
 		// Remove null or invalid attributes
-		$outline = array_filter($outline, static function (mixed $value) { return (is_string($value) || is_int($value) || is_bool($value)) && $value !== ''; });
+		$outline = array_filter($outline, static function ($value) { return (is_string($value) || is_int($value) || is_bool($value)) && $value !== ''; });
 
 		$outlines[] = $outline;
 	}
diff --git a/composer.json b/composer.json
index 204d332a2..89a077032 100644
--- a/composer.json
+++ b/composer.json
@@ -45,7 +45,7 @@
         "ext-pdo_pgsql": "*"
     },
     "require-dev": {
-        "php": ">=8.0",
+        "php": ">=7.4",
         "ext-phar": "*",
         "ext-tokenizer": "*",
         "ext-xmlwriter": "*",
diff --git a/composer.lock b/composer.lock
index 595ba79f4..65fcd29e3 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,35 +4,35 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "a302fe80fe6fa85705f6bb31107a16e5",
+    "content-hash": "68ad77514e7c3945e8a7c72dc8e69200",
     "packages": [],
     "packages-dev": [
         {
             "name": "doctrine/instantiator",
-            "version": "2.0.0",
+            "version": "1.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/instantiator.git",
-                "reference": "c6222283fa3f4ac679f8b9ced9a4e23f163e80d0"
+                "reference": "0a0fa9780f5d4e507415a065172d26a98d02047b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/c6222283fa3f4ac679f8b9ced9a4e23f163e80d0",
-                "reference": "c6222283fa3f4ac679f8b9ced9a4e23f163e80d0",
+                "url": "https://api.github.com/repos/doctrine/instantiator/zipball/0a0fa9780f5d4e507415a065172d26a98d02047b",
+                "reference": "0a0fa9780f5d4e507415a065172d26a98d02047b",
                 "shasum": ""
             },
             "require": {
-                "php": "^8.1"
+                "php": "^7.1 || ^8.0"
             },
             "require-dev": {
-                "doctrine/coding-standard": "^11",
+                "doctrine/coding-standard": "^9 || ^11",
                 "ext-pdo": "*",
                 "ext-phar": "*",
-                "phpbench/phpbench": "^1.2",
-                "phpstan/phpstan": "^1.9.4",
-                "phpstan/phpstan-phpunit": "^1.3",
-                "phpunit/phpunit": "^9.5.27",
-                "vimeo/psalm": "^5.4"
+                "phpbench/phpbench": "^0.16 || ^1",
+                "phpstan/phpstan": "^1.4",
+                "phpstan/phpstan-phpunit": "^1",
+                "phpunit/phpunit": "^7.5 || ^8.5 || ^9.5",
+                "vimeo/psalm": "^4.30 || ^5.4"
             },
             "type": "library",
             "autoload": {
@@ -59,7 +59,7 @@
             ],
             "support": {
                 "issues": "https://github.com/doctrine/instantiator/issues",
-                "source": "https://github.com/doctrine/instantiator/tree/2.0.0"
+                "source": "https://github.com/doctrine/instantiator/tree/1.5.0"
             },
             "funding": [
                 {
@@ -75,7 +75,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-12-30T00:23:10+00:00"
+            "time": "2022-12-30T00:15:36+00:00"
         },
         {
             "name": "myclabs/deep-copy",
@@ -138,25 +138,27 @@
         },
         {
             "name": "nikic/php-parser",
-            "version": "v4.18.0",
+            "version": "v5.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "1bcbb2179f97633e98bbbc87044ee2611c7d7999"
+                "reference": "4a21235f7e56e713259a6f76bf4b5ea08502b9dc"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/1bcbb2179f97633e98bbbc87044ee2611c7d7999",
-                "reference": "1bcbb2179f97633e98bbbc87044ee2611c7d7999",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/4a21235f7e56e713259a6f76bf4b5ea08502b9dc",
+                "reference": "4a21235f7e56e713259a6f76bf4b5ea08502b9dc",
                 "shasum": ""
             },
             "require": {
+                "ext-ctype": "*",
+                "ext-json": "*",
                 "ext-tokenizer": "*",
-                "php": ">=7.0"
+                "php": ">=7.4"
             },
             "require-dev": {
                 "ircmaxell/php-yacc": "^0.0.7",
-                "phpunit/phpunit": "^6.5 || ^7.0 || ^8.0 || ^9.0"
+                "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0"
             },
             "bin": [
                 "bin/php-parse"
@@ -164,7 +166,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.9-dev"
+                    "dev-master": "5.0-dev"
                 }
             },
             "autoload": {
@@ -188,9 +190,9 @@
             ],
             "support": {
                 "issues": "https://github.com/nikic/PHP-Parser/issues",
-                "source": "https://github.com/nikic/PHP-Parser/tree/v4.18.0"
+                "source": "https://github.com/nikic/PHP-Parser/tree/v5.0.0"
             },
-            "time": "2023-12-10T21:03:43+00:00"
+            "time": "2024-01-07T17:17:35+00:00"
         },
         {
             "name": "phar-io/manifest",
@@ -305,16 +307,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.10.50",
+            "version": "1.10.55",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "06a98513ac72c03e8366b5a0cb00750b487032e4"
+                "reference": "9a88f9d18ddf4cf54c922fbeac16c4cb164c5949"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/06a98513ac72c03e8366b5a0cb00750b487032e4",
-                "reference": "06a98513ac72c03e8366b5a0cb00750b487032e4",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/9a88f9d18ddf4cf54c922fbeac16c4cb164c5949",
+                "reference": "9a88f9d18ddf4cf54c922fbeac16c4cb164c5949",
                 "shasum": ""
             },
             "require": {
@@ -363,7 +365,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-12-13T10:59:42+00:00"
+            "time": "2024-01-08T12:32:40+00:00"
         },
         {
             "name": "phpstan/phpstan-phpunit",
@@ -1854,16 +1856,16 @@
         },
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "3.8.0",
+            "version": "3.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHPCSStandards/PHP_CodeSniffer.git",
-                "reference": "5805f7a4e4958dbb5e944ef1e6edae0a303765e7"
+                "reference": "14f5fff1e64118595db5408e946f3a22c75807f7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPCSStandards/PHP_CodeSniffer/zipball/5805f7a4e4958dbb5e944ef1e6edae0a303765e7",
-                "reference": "5805f7a4e4958dbb5e944ef1e6edae0a303765e7",
+                "url": "https://api.github.com/repos/PHPCSStandards/PHP_CodeSniffer/zipball/14f5fff1e64118595db5408e946f3a22c75807f7",
+                "reference": "14f5fff1e64118595db5408e946f3a22c75807f7",
                 "shasum": ""
             },
             "require": {
@@ -1873,11 +1875,11 @@
                 "php": ">=5.4.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0 || ^8.0 || ^9.0"
+                "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0 || ^8.0 || ^9.3.4"
             },
             "bin": [
-                "bin/phpcs",
-                "bin/phpcbf"
+                "bin/phpcbf",
+                "bin/phpcs"
             ],
             "type": "library",
             "extra": {
@@ -1930,7 +1932,7 @@
                     "type": "open_collective"
                 }
             ],
-            "time": "2023-12-08T12:32:31+00:00"
+            "time": "2024-01-11T20:47:48+00:00"
         },
         {
             "name": "theseer/tokenizer",
@@ -2012,10 +2014,10 @@
         "ext-zlib": "*"
     },
     "platform-dev": {
-        "php": ">=8.0",
+        "php": ">=7.4",
         "ext-phar": "*",
         "ext-tokenizer": "*",
         "ext-xmlwriter": "*"
     },
-    "plugin-api-version": "2.3.0"
+    "plugin-api-version": "2.6.0"
 }
diff --git a/tests/app/Utils/dotpathUtilTest.php b/tests/app/Utils/dotpathUtilTest.php
index e4eab3041..eb1a1d486 100644
--- a/tests/app/Utils/dotpathUtilTest.php
+++ b/tests/app/Utils/dotpathUtilTest.php
@@ -4,7 +4,7 @@ declare(strict_types=1);
 class dotpathUtilTest extends PHPUnit\Framework\TestCase {
 
 	/**
-	 * @return Traversable<array{array<string,mixed>,string,mixed}>
+	 * @return Traversable<array{array<string,mixed>,string,string}>
 	 */
 	public function provideJsonDots(): Traversable {
 		$json = <<<json
@@ -37,7 +37,7 @@ class dotpathUtilTest extends PHPUnit\Framework\TestCase {
 	 * @dataProvider provideJsonDots
 	 * @param array<string,mixed> $array
 	 */
-	public function testJsonDots(array $array, string $key, mixed $expected): void {
+	public function testJsonDots(array $array, string $key, string $expected): void {
 		$value = FreshRSS_dotpath_Util::get($array, $key);
 		self::assertEquals($expected, $value);
 	}
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 447b038a4..f988855e6 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 error_reporting(E_ALL);
-ini_set('display_errors', 1);
+ini_set('display_errors', '1');
 
 const COPY_LOG_TO_SYSLOG = false;