diff --git a/build/code_sniffer/ruleset-php-legacy.xml b/build/code_sniffer/ruleset-php-legacy.xml
index f060e8e14f..3a1d849135 100644
--- a/build/code_sniffer/ruleset-php-legacy.xml
+++ b/build/code_sniffer/ruleset-php-legacy.xml
@@ -51,6 +51,9 @@
  <!-- There should be a space between each element of a foreach loop and the as keyword should be lowercase. -->
  <rule ref="Squiz.ControlStructures.ForEachLoopDeclaration" />
 
+ <!-- In a for loop declaration, there should be no space inside the brackets and there should be 0 spaces before and 1 space after semicolons. -->
+ <rule ref="Squiz.ControlStructures.ForLoopDeclaration" />
+
  <!-- In the argument list, there MUST NOT be a space before each comma,
       and there MUST be one space after each comma. -->
  <rule ref="Squiz.Functions.FunctionDeclarationArgumentSpacing">
diff --git a/phpBB/includes/functions_convert.php b/phpBB/includes/functions_convert.php
index e8f8151d6f..9005c57c8a 100644
--- a/phpBB/includes/functions_convert.php
+++ b/phpBB/includes/functions_convert.php
@@ -2297,7 +2297,7 @@ function convert_bbcode($message, $convert_size = true, $extended_bbcodes = fals
 		$message = preg_replace('#\[size=([0-9]+)\](.*?)\[/size\]#i', '[size=\1]\2[/size]', $message);
 		$message = preg_replace('#\[size=[0-9]{2,}\](.*?)\[/size\]#i', '[size=29]\1[/size]', $message);
 
-		for ($i = sizeof($size); $i; )
+		for ($i = sizeof($size); $i;)
 		{
 			$i--;
 			$message = str_replace('[size=' . $i . ']', '[size=' . $size[$i] . ']', $message);
diff --git a/phpBB/search.php b/phpBB/search.php
index 91ea21909d..f1f02ac766 100644
--- a/phpBB/search.php
+++ b/phpBB/search.php
@@ -1256,7 +1256,7 @@ $s_characters .= '<option value="0">0</option>';
 $s_characters .= '<option value="25">25</option>';
 $s_characters .= '<option value="50">50</option>';
 
-for ($i = 100; $i <= 1000 ; $i += 100)
+for ($i = 100; $i <= 1000; $i += 100)
 {
 	$selected = ($i == 300) ? ' selected="selected"' : '';
 	$s_characters .= '<option value="' . $i . '"' . $selected . '>' . $i . '</option>';