Bumped PHP requirement to 8.1

Author: JoshyPHP

composer.json

@@ -7,7 +7,7 @@
 	"license": "MIT",
 	"require": {
 		"lib-pcre": ">=7.2",
-		"php":      ">=7.1"
+		"php":      ">=8.1"
 	},
 	"require-dev": {
 		"phpunit/phpunit": ">=9.1"

composer.lock

@@ -24,22 +24,22 @@ class Builder
 	/**
 	* @var InputInterface
 	*/
-	protected $input;
+	public InputInterface $input;
 
 	/**
 	* @var MetaCharacters
 	*/
-	protected $meta;
+	public MetaCharacters $meta;
 
 	/**
 	* @var Runner
 	*/
-	protected $runner;
+	public Runner $runner;
 
 	/**
 	* @var Serializer
 	*/
-	protected $serializer;
+	public Serializer $serializer;
 
 	/**
 	* @param array $config

src/Builder.php

@@ -14,12 +14,12 @@ class Escaper
 	/**
 	* @var array<string> Characters to escape in a character class
 	*/
-	public $inCharacterClass = ['-' => '\\-', '\\' => '\\\\', ']' => '\\]', '^' => '\\^'];
+	public array $inCharacterClass = ['-' => '\\-', '\\' => '\\\\', ']' => '\\]', '^' => '\\^'];
 
 	/**
 	* @var array<string> Characters to escape outside of a character class
 	*/
-	public $inLiteral = [
+	public array $inLiteral = [
 		'$'  => '\\$',  '(' => '\\(', ')' => '\\)', '*' => '\\*',
 		'+'  => '\\+',  '.' => '\\.', '?' => '\\?', '[' => '\\[',
 		'\\' => '\\\\', '^' => '\\^', '{' => '\\{', '|' => '\\|'

src/Escaper.php

@@ -15,7 +15,7 @@ class Utf8 extends BaseImplementation
 	/**
 	* @var bool Whether to use surrogates to represent higher codepoints
 	*/
-	protected $useSurrogates;
+	public bool $useSurrogates = false;
 
 	/**
 	* {@inheritdoc}

src/Input/Utf8.php

@@ -17,27 +17,27 @@ class MetaCharacters
 	* @const Bit value that indicates whether a meta-character represents a single character usable
 	*        in a character class
 	*/
-	const IS_CHAR = 1;
+	protected const IS_CHAR = 1;
 
 	/**
 	* @const Bit value that indicates whether a meta-character represents a quantifiable expression
 	*/
-	const IS_QUANTIFIABLE = 2;
+	protected const IS_QUANTIFIABLE = 2;
 
 	/**
 	* @var array Map of meta values and the expression they represent
 	*/
-	protected $exprs = [];
+	protected array $exprs = [];
 
 	/**
 	* @var InputInterface
 	*/
-	protected $input;
+	protected InputInterface $input;
 
 	/**
 	* @var array Map of meta-characters' codepoints and their value
 	*/
-	protected $meta = [];
+	protected array $meta = [];
 
 	/**
 	* @param InputInterface $input

src/MetaCharacters.php

@@ -12,14 +12,14 @@
 abstract class BaseImplementation implements OutputInterface
 {
 	/**
-	* @var integer
+	* @var integer Upper limit for valid values
 	*/
-	protected $maxValue = 0;
+	protected int $maxValue = 0;
 
 	/**
-	* @var integer
+	* @var integer Lower limit for valid values
 	*/
-	protected $minValue = 0;
+	protected int $minValue = 0;
 
 	/**
 	* @param array $options

src/Output/BaseImplementation.php

@@ -12,7 +12,7 @@
 class Bytes extends BaseImplementation
 {
 	/** {@inheritdoc} */
-	protected $maxValue = 255;
+	protected int $maxValue = 255;
 
 	/**
 	* {@inheritdoc}

src/Output/Bytes.php

@@ -12,7 +12,7 @@
 class JavaScript extends PrintableAscii
 {
 	/** {@inheritdoc} */
-	protected $maxValue = 0x10FFFF;
+	protected int $maxValue = 0x10FFFF;
 
 	/**
 	* {@inheritdoc}

src/Output/JavaScript.php

@@ -12,7 +12,7 @@
 class PHP extends PrintableAscii
 {
 	/** {@inheritdoc} */
-	protected $maxValue = 0x10FFFF;
+	protected int $maxValue = 0x10FFFF;
 
 	/**
 	* {@inheritdoc}