Document update grammar in the comments

lib/jblond/Diff.php

@@ -87,7 +87,7 @@ class Diff
      * The values can be of type string or array.
      * If the type is string, it's split into array elements by line-end characters.
      *
-     * Options for comparison can be set by using the third parameter. The format of this value is expected to be a
+     * Options for comparison can be set by using the third parameter. The format of this value is expected to be an
      * associative array where each key-value pair represents an option and its value (E.g. ['context' => 3], ...).
      * When a keyName matches the name of a default option, that option's value will be overridden by the key's value.
      * Any other keyName (and it's value) can be added as an option, but will not be used if not implemented.
@@ -110,7 +110,7 @@ public function __construct($version1, $version2, array $options = [])
     }
 
     /**
-     * Get the type of a variable.
+     * Get the kind of variable.
      *
      * The return value depend on the type of variable:
      * 0    If the type is 'array'
@@ -200,11 +200,11 @@ public function render(object $renderer)
      * @param   int|null  $end    The last element of the range to get.
      *                            If not supplied, only the element at start will be returned.
      *
-     * @return array Array containing all of the elements of the specified range.
+     * @return array Array containing all the elements of the specified range.
      * @throws OutOfRangeException When the value of start or end are invalid to define a range.
      *
      */
-    public function getArrayRange(array $array, int $start = 0, $end = null): array
+    public function getArrayRange(array $array, int $start = 0, ?int $end = null): array
     {
         if ($start < 0 || $end < 0 || $end < $start) {
             throw new OutOfRangeException('Start parameter must be lower than End parameter while both are positive!');
@@ -274,7 +274,7 @@ public function getGroupedOpCodes(): array
      *
      * @return float Similarity ratio.
      */
-    public function getSimilarity($method = Similarity::CALC_DEFAULT): float
+    public function getSimilarity(int $method = Similarity::CALC_DEFAULT): float
     {
         if ($this->similarity !== null) {
             return $this->similarity;

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

@@ -22,7 +22,7 @@ class Merged extends MainRenderer implements SubRendererInterface
     /**
      * @var array   Associative array containing the default options available for this renderer and their default
      *              value.
-     *              - format            Format of the texts.
+     *              - format            The Format of the texts.
      *              - insertMarkers     Markers for inserted text.
      *              - deleteMarkers     Markers for removed text.
      *              - title1            Title of the 1st version of text.

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

@@ -26,7 +26,7 @@ class SideBySide extends MainRenderer implements SubRendererInterface
     /**
      * @var array   Associative array containing the default options available for this renderer and their default
      *              value.
-     *              - format            Format of the texts.
+     *              - format            The Format of the texts.
      *              - insertMarkers     Markers for inserted text.
      *              - deleteMarkers     Markers for removed text.
      *              - title1            Title of the 1st version of text.

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

@@ -26,7 +26,7 @@ class Unified extends MainRenderer implements SubRendererInterface
     /**
      * @var array   Associative array containing the default options available for this renderer and their default
      *              value.
-     *              - format            Format of the texts.
+     *              - format            The Format of the texts.
      *              - insertMarkers     Markers for inserted text.
      *              - deleteMarkers     Markers for removed text.
      *              - title1            Title of the 1st version of text.

lib/jblond/Diff/Renderer/MainRenderer.php

@@ -116,7 +116,7 @@ protected function renderSequences(): array
             foreach ($group as $code) {
                 [$tag, $startOld, $endOld, $startNew, $endNew] = $code;
                 /**
-                 * $code is an array describing a op-code which includes:
+                 * $code is an array describing an op-code which includes:
                  * 0 - The type of tag (as described below) for the op code.
                  * 1 - The beginning line in the first sequence.
                  * 2 - The end line in the first sequence.
@@ -351,7 +351,7 @@ private function getOuterChange(string $oldString, string $newString): array
         $limit = min(mb_strlen($oldString), mb_strlen($newString));
 
         // Find the position of the first character which is different between old and new.
-        // Starts at the begin of the strings.
+        // Starts at the beginning of the strings.
         // Stops at the end of the shortest string.
         while ($start < $limit && mb_substr($oldString, $start, 1) == mb_substr($newString, $start, 1)) {
             ++$start;
@@ -375,7 +375,7 @@ private function getOuterChange(string $oldString, string $newString): array
 
     /**
      * Helper function that will fill the changes-array for the renderer with default values.
-     * Every time a operation changes (specified by $tag) , a new element will be appended to this array.
+     * Every time an operation changes (specified by $tag) , a new element will be appended to this array.
      *
      * The index of the last element of the array is always returned.
      *

lib/jblond/Diff/Renderer/Text/UnifiedCli.php

@@ -112,12 +112,12 @@ private function output(): string
     }
 
     /**
-     * @param           $string
-     * @param   string  $color
+     * @param string $string
+     * @param string $color
      *
      * @return string
      */
-    private function colorizeString($string, $color = ''): string
+    private function colorizeString(string $string, string $color = ''): string
     {
         if ($this->options['cliColor']) {
             return $this->colors->getColoredString($string, $color);

lib/jblond/Diff/SequenceMatcher.php

@@ -73,7 +73,7 @@ class SequenceMatcher
 
     /**
      * The constructor. With the sequences being passed, they'll be set for the
-     * sequence matcher and it will perform a basic cleanup & calculate junk
+     * sequence matcher, and it will perform a basic cleanup & calculate junk
      * elements.
      *
      * @param   string|array       $old           A string or array containing the lines to compare against.
@@ -215,7 +215,7 @@ private function chainB()
      * content of the different files but can still provide context as to where the
      * changes are.
      *
-     * @return array Nested array of all of the grouped op codes.
+     * @return array Nested array of all the grouped op codes.
      */
     public function getGroupedOpCodes(): array
     {
@@ -295,7 +295,7 @@ public function getGroupedOpCodes(): array
     }
 
     /**
-     * Return a list of all of the op codes for the differences between the
+     * Return a list of all the op codes for the differences between the
      * two strings.
      *
      * The nested array returned contains an array describing the op code
@@ -366,7 +366,7 @@ public function getOpCodes(): array
     }
 
     /**
-     * Return a nested set of arrays for all of the matching sub-sequences
+     * Return a nested set of arrays for all the matching sub-sequences
      * in the strings $a and $b.
      *
      * Each block contains the lower constraint of the block in $a, the lower
@@ -479,7 +479,7 @@ function ($aArray, $bArray) {
      * lower and upper constraints for each sequence. (for the first sequence,
      * $alo - $ahi and for the second sequence, $blo - $bhi)
      *
-     * Essentially, of all of the maximal matching blocks, return the one that
+     * Essentially, of all the maximal matching blocks, return the one that
      * starts earliest in $a, and all of those maximal matching blocks that
      * start earliest in $a, return the one that starts earliest in $b.
      *

tests/Diff/SequenceMatcherTest.php

@@ -73,7 +73,7 @@ public function testGetGroupedOpCodesIgnoreWhitespaceTrue()
     {
         // Test with ignoreWhitespace enabled. Both sequences are considered to be the same.
         // Note: The sequenceMatcher evaluates the string character by character. Option ignoreWhitespace will ignore
-        //       if the difference if the character is a tab in one sequence and a space in the other.
+        //       if the difference is the character or is a tab in one sequence and a space in the other.
         $sequenceMatcher = new SequenceMatcher(
             "\t54321ABXDE12345 ",
             " 54321ABXDE12345\t",