Short function spacing sniff

DatacodeStandard/Sniffs/Classes/OpeningBraceSniff.php

@@ -26,7 +26,7 @@ public function register() {
 	 * @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
 	 * @param integer $stackPtr The position of the current token in the stack passed in $tokens.
 	 *
-	 * @return int
+	 * @return integer
 	 */
 	public function process(File $phpcsFile, $stackPtr) {
 		$tokens = $phpcsFile->getTokens();

DatacodeStandard/Sniffs/Functions/ShortFunctionSpacingSniff.php

@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DatacodeStandard\Sniffs\Functions;
+
+use PHP_CodeSniffer\Sniffs\Sniff;
+use PHP_CodeSniffer\Files\File;
+
+/**
+ * Checks there is a space after a short function (fn)
+ */
+class ShortFunctionSpacingSniff implements Sniff {
+
+	public function register() {
+		return [
+			T_FN,
+		];
+	}
+
+	/**
+	 * Processes this test, when one of its tokens is encountered.
+	 *
+	 * @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
+	 * @param integer $stackPtr The position of the current token in the stack passed in $tokens.
+	 *
+	 * @return integer
+	 */
+	public function process(File $phpcsFile, $stackPtr) {
+		$tokens = $phpcsFile->getTokens();
+
+		$shouldBeWhiteSpace = $tokens[($stackPtr + 1)];
+
+		if ($shouldBeWhiteSpace['type'] === 'T_OPEN_PARENTHESIS') {
+			if ($tokens[($stackPtr + 1)]['content'] === $phpcsFile->eolChar) {
+				$spaces = 'newline';
+			} else if ($tokens[($stackPtr + 1)]['code'] === T_WHITESPACE) {
+				$spaces = $tokens[($stackPtr + 1)]['length'];
+			} else {
+				$spaces = 0;
+			}
+
+			if ($spaces !== 1) {
+				$error = 'Expected 1 space after FN keyword; %s found';
+				$data = [$spaces];
+				$fix = $phpcsFile->addFixableError($error, $stackPtr, 'SpaceAfterFn', $data);
+
+				if ($fix === true) {
+					if ($spaces === 0) {
+						$phpcsFile->fixer->addContent($stackPtr, ' ');
+					} else {
+						$phpcsFile->fixer->replaceToken(($stackPtr + 1), ' ');
+					}
+				}
+			}
+		}
+
+		return ($phpcsFile->numTokens + 1);
+	}
+
+}

DatacodeStandard/Sniffs/PHP/RequireStrictTypesSniff.php

@@ -20,6 +20,14 @@ public function register() {
 		];
 	}
 
+	/**
+	 * Processes this test, when one of its tokens is encountered.
+	 *
+	 * @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
+	 * @param integer $stackPtr The position of the current token in the stack passed in $tokens.
+	 *
+	 * @return integer
+	 */
 	public function process(File $phpcsFile, $stackPtr) {
 		$tokens = $phpcsFile->getTokens();
 

DatacodeStandard/ruleset.xml

@@ -42,6 +42,7 @@
 	<rule ref="Squiz.Commenting.EmptyCatchComment"/>
 
 	<rule ref="./Sniffs/Commenting/FunctionCommentSniff.php"/>
+	<rule ref="./Sniffs/Functions/ShortFunctionSpacingSniff.php"/>
 
 	<rule ref="Generic.ControlStructures.InlineControlStructure"/>
 	<rule ref="Squiz.Operators.ValidLogicalOperators"/>

composer.json

@@ -1,6 +1,6 @@
 {
 	"name": "datacodetech/phpcs-ruleset",
-	"version": "2.1.1",
+	"version": "2.2.0",
 	"type": "library",
 	"license": "MIT",
 	"description": "phpcs ruleset used for all PHP projects",