PHPCheckstyle Code

<?php
/**
 * This file is an exemple of PHP file containing bad spacing.
  * This file should generate 9 warnings with the default config.
 */

class Space {
	
	/**
	 * Test spacing
	 * 
	 * @param String $a
	 * @param String $b
	 * @return String
	 */
	function testSpaces($a,$b){ // 1 - noSpaceAfterFunctionName, 2 - checkWhiteSpaceAfter (space after ,)
		
		if($a == null) {// 3 - spaceAfterControlStmt (if statement)
			return $b;
		}
		
		$c=$b+$a; // 4-7 - checkWhiteSpaceBefore & checkWhiteSpaceAfter (tokens + and =)
		
		$c = [$b , $a]; // 8 - noSpaceBeforeToken
		$c = ! $a; // 9 - noSpaceAfterToken
		
		return $c;  
		
	}
	
}