Add PHP 8 issues

.vipgoci_options

@@ -1 +1 @@
-{"lint-only-modified-files":true}
+{"lint-only-modified-files":false}

src/PHP8Fun.php

@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * @param $a
+ * @param $b
+ * Call str_contains!
+ * @return bool
+ */
+function find_my_string( $a, $b ): bool {
+	if ( $x = str_contains( $a, $b ) ) {
+		echo 'The string has been found';
+	} else {
+		echo "String not found";
+	}
+
+	return $x;
+}
+$result2 = find_my_string('a', 'b');
+var_dump( $result2 );
+
+// Just a test files with various cool PHP8 stuffs
+$my_super_array = [
+	1.0,
+	'string',
+	true,
+];
+
+/**
+ * Yay fun function
+ *
+ * @param integer|string|boolean $arg
+ *
+ * @return string
+ */
+function php8_fun( int|string|bool $arg ): string {
+	$result = match ( $arg ) {
+		1.0 => 'Float!',
+		'string' => 'String',
+		'sup' => 'string!!!',
+		default => gettype( $arg )
+	};
+	return $result;
+}
+
+$result = fn( $c ) => $c . php8_fun( $my_super_array[ array_rand( $my_super_array, 1 ) ] );
+
+$x = 'x';
+var_dump( $result($x) );
+

src/PHP8FunFatal.php

@@ -0,0 +1,11 @@
+<?php
+
+/**
+ * Fatal error
+ */
+class C1 {
+	public function method(array $a) {}
+}
+class C2 extends C1 {
+	public function method(int $a) {}
+}