stronger type hinting

lib/jblond/Diff.php

@@ -87,7 +87,7 @@ class Diff
      * @param array $b Array containing the lines for the second string to compare.
      * @param array $options Array for the options
      */
-    public function __construct($a, $b, $options = array())
+    public function __construct(array $a, array $b, array $options = array())
     {
         $this->a = $a;
         $this->b = $b;
@@ -119,10 +119,10 @@ public function render($renderer)
      * that line.
      *
      * @param int $start The starting number.
-     * @param int $end The ending number. If not supplied, only the item in $start will be returned.
+     * @param int|null $end The ending number. If not supplied, only the item in $start will be returned.
      * @return array Array of all of the lines between the specified range.
      */
-    public function getA($start = 0, $end = null) : array
+    public function getA(int $start = 0, $end = null) : array
     {
         if ($start == 0 && $end === null) {
             return $this->a;
@@ -144,10 +144,10 @@ public function getA($start = 0, $end = null) : array
      * that line.
      *
      * @param int $start The starting number.
-     * @param int $end The ending number. If not supplied, only the item in $start will be returned.
+     * @param int|null $end The ending number. If not supplied, only the item in $start will be returned.
      * @return array Array of all of the lines between the specified range.
      */
-    public function getB($start = 0, $end = null) : array
+    public function getB(int $start = 0, $end = null) : array
     {
         if ($start == 0 && $end === null) {
             return $this->b;

lib/jblond/Diff/Renderer/Html/HtmlArray.php

@@ -65,14 +65,14 @@ class HtmlArray extends RendererAbstract
     * @param string $replacement The replacement string.
     * @param int $start If start is positive, the replacing will begin at the start'th offset into string.
     * If start is negative, the replacing will begin at the start'th character from the end of string.
-    * @param int $length If given and is positive, it represents the length of the portion of string which is to
+    * @param int|null $length If given and is positive, it represents the length of the portion of string which is to
      * be replaced. If it is negative, it represents the number of characters from the end of string at which to
      * stop replacing. If it is not given, then it will default to strlen( string ); i.e. end the replacing at the
      * end of string. Of course, if length is zero then this function will have the effect of inserting replacement
      * into string at the given start offset.
     * @return string|array The result string is returned. If string is an array then array is returned.
     */
-    public function mbSubstrReplace(string $string, string $replacement, int $start, int $length = null)
+    public function mbSubstrReplace(string $string, string $replacement, int $start, $length = null)
     {
         if (is_array($string)) {
             $num = count($string);
@@ -204,7 +204,7 @@ public function render()
      * @param string $toLine The second string.
      * @return array Array containing the starting position (0 by default) and the ending position (-1 by default)
      */
-    private function getChangeExtent($fromLine, $toLine)
+    private function getChangeExtent(string $fromLine, string $toLine)
     {
         $start = 0;
         $limit = min(mb_strlen($fromLine), mb_strlen($toLine));
@@ -230,7 +230,7 @@ private function getChangeExtent($fromLine, $toLine)
      * @param array $lines Array of lines to format.
      * @return array Array of the formatted lines.
      */
-    protected function formatLines($lines)
+    protected function formatLines(array $lines) : array
     {
         if ($this->options['tabSize'] !== false) {
             $lines = array_map(array($this, 'ExpandTabs'), $lines);
@@ -248,7 +248,7 @@ protected function formatLines($lines)
      * @param array $matches The string of spaces.
      * @return string The HTML representation of the string.
      */
-    protected function fixSpaces($matches)
+    protected function fixSpaces(array $matches) : string
     {
         $buffer = '';
         $count = 0;
@@ -273,7 +273,7 @@ protected function fixSpaces($matches)
      * @param string $line The containing tabs to convert.
      * @return string The line with the tabs converted to spaces.
      */
-    private function expandTabs($line)
+    private function expandTabs(string $line) : string
     {
         $tabSize    = $this->options['tabSize'];
         while (($pos = strpos($line, "\t")) !== false) {
@@ -292,7 +292,7 @@ private function expandTabs($line)
      * @param string $string The string.
      * @return string The string with the HTML characters replaced by entities.
      */
-    private function htmlSafe($string)
+    private function htmlSafe(string $string) : string
     {
         return htmlspecialchars($string, ENT_NOQUOTES, 'UTF-8');
     }
@@ -303,7 +303,7 @@ private function htmlSafe($string)
      * @param integer $j1
      * @return array
      */
-    private function getDefaultArray($tag, $i1, $j1)
+    private function getDefaultArray(string $tag, int $i1, int $j1) : array
     {
         return array
         (

lib/jblond/Diff/Renderer/Html/Inline.php

@@ -140,7 +140,7 @@ private function generateSkippedTable() : string
      * @param array &$change Array with data about changes.
      * @return string Html code representing one or more rows of text with no difference.
      */
-    private function generateTableRowsEqual(&$change) : string
+    private function generateTableRowsEqual(array &$change) : string
     {
         $html = "";
         foreach ($change['base']['lines'] as $no => $line) {
@@ -161,7 +161,7 @@ private function generateTableRowsEqual(&$change) : string
      * @param array &$change Array with data about changes.
      * @return string Html code representing one or more rows of added text.
      */
-    private function generateTableRowsInsert(&$change) : string
+    private function generateTableRowsInsert(array &$change) : string
     {
         $html = "";
         foreach ($change['changed']['lines'] as $no => $line) {
@@ -181,7 +181,7 @@ private function generateTableRowsInsert(&$change) : string
      * @param array &$change Array with data about changes.
      * @return string Html code representing one or more rows of removed text.
      */
-    private function generateTableRowsDelete(&$change) : string
+    private function generateTableRowsDelete(array &$change) : string
     {
         $html = "";
         foreach ($change['base']['lines'] as $no => $line) {
@@ -201,7 +201,7 @@ private function generateTableRowsDelete(&$change) : string
      * @param array &$change Array with data about changes.
      * @return string Html code representing one or more rows of modified.
      */
-    private function generateTableRowsReplace(&$change) : string
+    private function generateTableRowsReplace(array &$change) : string
     {
         $html = "";
 

lib/jblond/Diff/Renderer/Html/SideBySide.php

@@ -135,7 +135,7 @@ private function generateSkippedTable() : string
      * @param array &$change Array with data about changes.
      * @return string Html code representing one or more rows of text with no difference.
      */
-    private function generateTableRowsEqual(&$change) : string
+    private function generateTableRowsEqual(array &$change) : string
     {
         $html = "";
         foreach ($change['base']['lines'] as $no => $line) {
@@ -157,7 +157,7 @@ private function generateTableRowsEqual(&$change) : string
      * @param array &$change Array with data about changes.
      * @return string Html code representing one or more rows of added text.
      */
-    private function generateTableRowsInsert(&$change) : string
+    private function generateTableRowsInsert(array &$change) : string
     {
         $html = "";
         foreach ($change['changed']['lines'] as $no => $line) {
@@ -178,7 +178,7 @@ private function generateTableRowsInsert(&$change) : string
      * @param array &$change Array with data about changes.
      * @return string Html code representing one or more rows of removed text.
      */
-    private function generateTableRowsDelete(&$change) : string
+    private function generateTableRowsDelete(array &$change) : string
     {
         $html = "";
         foreach ($change['base']['lines'] as $no => $line) {
@@ -199,7 +199,7 @@ private function generateTableRowsDelete(&$change) : string
      * @param array &$change Array with data about changes.
      * @return string Html code representing one or more rows of modified.
      */
-    private function generateTableRowsReplace(&$change) : string
+    private function generateTableRowsReplace(array &$change) : string
     {
         $html = "";
 

lib/jblond/Diff/SequenceMatcher.php

@@ -110,7 +110,7 @@ class SequenceMatcher
      * @param string|array|null $junkCallback Either an array or string that references a callback function
      * (if there is one) to determine 'junk' characters.
      */
-    public function __construct($a, $b, $options, $junkCallback = null)
+    public function __construct($a, $b, array $options, $junkCallback = null)
     {
         $this->a = array();
         $this->b = array();
@@ -122,7 +122,7 @@ public function __construct($a, $b, $options, $junkCallback = null)
     /**
      * @param array $options
      */
-    public function setOptions($options)
+    public function setOptions(array $options)
     {
         $this->options = array_merge($this->defaultOptions, $options);
     }
@@ -237,7 +237,7 @@ private function chainB()
      * @param string $b
      * @return bool $b True if the character is considered junk. False if not.
      */
-    private function isBJunk($b) : bool
+    private function isBJunk(string $b) : bool
     {
         if (isset($this->junkDict[$b])) {
             return true;
@@ -266,7 +266,7 @@ private function isBJunk($b) : bool
      * @return array Array containing the longest match that includes the starting position in $a,
      * start in $b and the length/size.
      */
-    public function findLongestMatch($alo, $ahi, $blo, $bhi) : array
+    public function findLongestMatch(int $alo, int $ahi, int $blo, int $bhi) : array
     {
         $a = $this->a;
         $b = $this->b;
@@ -349,7 +349,7 @@ public function findLongestMatch($alo, $ahi, $blo, $bhi) : array
      * @param int $bIndex Line number to check against in b.
      * @return bool True if the lines are different and false if not.
      */
-    public function linesAreDifferent($aIndex, $bIndex) : bool
+    public function linesAreDifferent(int $aIndex, int $bIndex) : bool
     {
         $lineA = $this->a[$aIndex];
         $lineB = $this->b[$bIndex];
@@ -554,7 +554,7 @@ public function getOpCodes() : array
      * @param int $context The number of lines of context to provide around the groups.
      * @return array Nested array of all of the grouped op codes.
      */
-    public function getGroupedOpcodes($context = 3) : array
+    public function getGroupedOpcodes(int $context = 3) : array
     {
         $opCodes = $this->getOpCodes();
         if (empty($opCodes)) {
@@ -652,7 +652,7 @@ public function ratio() : float
      * @param array $triple Array containing the matching block triple to add to the running total.
      * @return int The new running total for the number of matches.
      */
-    private function ratioReduce($sum, $triple) : int
+    private function ratioReduce(int $sum, array $triple) : int
     {
         return $sum + ($triple[count($triple) - 1]);
     }
@@ -665,7 +665,7 @@ private function ratioReduce($sum, $triple) : int
      * @param int $length The length of the two strings.
      * @return float The calculated ratio.
      */
-    private function calculateRatio($matches, $length = 0) : float
+    private function calculateRatio(int $matches, int $length = 0) : float
     {
         if ($length) {
             return 2 * ($matches / $length);
@@ -683,7 +683,7 @@ private function calculateRatio($matches, $length = 0) : float
      * @param mixed $default The value to return as the default value if the key doesn't exist.
      * @return mixed The value from the array if the key exists or otherwise the default.
      */
-    private function arrayGetDefault($array, $key, $default)
+    private function arrayGetDefault(array $array, $key, $default)
     {
         if (isset($array[$key])) {
             return $array[$key];
@@ -698,7 +698,7 @@ private function arrayGetDefault($array, $key, $default)
      * @param array $b Second array to compare.
      * @return int -1, 0 or 1, as expected by the usort function.
      */
-    private function tupleSort($a, $b) : int
+    private function tupleSort(array $a, array $b) : int
     {
         $max = max(count($a), count($b));
         for ($i = 0; $i < $max; ++$i) {