Depreciation fixes.

Bumped to require php 8.

composer.json

@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "php": "^7.4|^8",
+        "php": "^8",
         "jdorn/sql-formatter": "^1.2"
     },
     "require-dev": {

src/Parser/LogParserInterface.php

@@ -13,8 +13,5 @@
 
 interface LogParserInterface
 {
-	/**
-	 * @return mixed
-	 */
-    public function parse(string $log, string $dateFormat, bool $useChannel, bool $useLevel, int $days, string $pattern);
+    public function parse(string $log, string $dateFormat, bool $useChannel, bool $useLevel, int $days, string $pattern): mixed;
 }

src/Reader/LogReader.php

@@ -54,10 +54,7 @@ public function __construct(LogFile $logFile, string $pattern = 'default')
         $this->parser = $this->getDefaultParser();
     }
 
-    /**
-     * @return LineLogParser|LogParserInterface
-     */
-    public function getParser()
+    public function getParser(): LogParserInterface|LineLogParser
     {
         /** @noinspection PhpUnnecessaryLocalVariableInspection */
         $p =  & $this->parser;
@@ -78,10 +75,9 @@ public function offsetExists($offset): bool
 
 	/**
 	 * {@inheritdoc}
-     * @return mixed
 	 * @throws Exception
 	 */
-    public function offsetGet($offset)
+    public function offsetGet($offset): mixed
     {
         $key = $this->file->key();
         $this->file->seek($offset);
@@ -126,10 +122,9 @@ public function next(): void
 
 	/**
 	 * {@inheritdoc}
-     * @return mixed
 	 * @throws Exception
 	 */
-    public function current()
+    public function current(): mixed
     {
         return $this->parser->parse($this->file->current(), $this->dateFormat, $this->useChannel, $this->useLevel, $this->days, $this->pattern);
     }