Adding ability to input an array parameter for 3rd argument of TextHelper::highlight(). Implements #17.

Author: jperras

cake/libs/view/helpers/text.php

@@ -64,28 +64,30 @@ function highlight($text, $phrase, $highlighter = '<span class="highlight">\1</s
 		}
 
 		if (is_array($phrase)) {
+
 			$replace = array();
 			$with = array();
 
-			foreach ($phrase as $key => $value) {
-				$key = $value;
-				$value = $highlighter;
-				$key = '(' . $key . ')';
+			foreach ($phrase as $key => $segment) {
+				$segment = "($segment)";
+
 				if ($considerHtml) {
-					$key = '(?![^<]+>)' . $key . '(?![^<]+>)';
+					$segment = "(?![^<]+>)$segment(?![^<]+>)";
 				}
-				$replace[] = '|' . $key . '|iu';
-				$with[] = empty($value) ? $highlighter : $value;
+
+				$with[] = (is_array($highlighter)) ? $highlighter[$key] : $highlighter;
+				$replace[] = "|$segment|iu";
 			}
 
 			return preg_replace($replace, $with, $text);
+
 		} else {
-			$phrase = '(' . $phrase . ')';
+			$phrase = "($phrase)";
 			if ($considerHtml) {
-				$phrase = '(?![^<]+>)' . $phrase . '(?![^<]+>)';
+				$phrase = "(?![^<]+>)$phrase(?![^<]+>)";
 			}
 
-			return preg_replace('|'.$phrase.'|iu', $highlighter, $text);
+			return preg_replace("|$phrase|iu", $highlighter, $text);
 		}
 	}
 

cake/tests/cases/libs/view/helpers/text.test.php

@@ -164,6 +164,21 @@ function testHighlightConsiderHtml() {
 		$this->assertEqual($this->Text->highlight($text4, array('strong', 'what'), '<b>\1</b>', true), $expected);
 	}
 
+/**
+ * testHighlightMulti method
+ *
+ * @access public
+ * @return void
+ */
+	function testHighlightMulti() {
+		$text = 'This is a test text';
+		$phrases = array('This', 'text');
+		$result = $this->Text->highlight($text, $phrases, array('<b>\1</b>', '<em>\1</em>'));
+		$expected = '<b>This</b> is a test <em>text</em>';
+		$this->assertEqual($expected, $result);
+
+	}
+
 /**
  * testStripLinks method
  *