Fixing bug in String::insert that produces unexpected results with

multiple keys that start with the same substring. Fixes #984

Signed-off-by: mark_story <mark@mark-story.com>

cake/libs/string.php

@@ -240,6 +240,7 @@ function insert($str, $data, $options = array()) {
 
 			$hashKeys = array_map('md5', array_keys($data));
 			$tempData = array_combine(array_keys($data), array_values($hashKeys));
+			krsort($tempData);
 			foreach ($tempData as $key => $hashVal) {
 				$key = sprintf($format, preg_quote($key, '/'));
 				$str = preg_replace($key, $hashVal, $str);
@@ -323,4 +324,4 @@ function cleanInsert($str, $options) {
 		return $str;
 	}
 }
-?>
+?>

cake/tests/cases/libs/string.test.php

@@ -197,6 +197,26 @@ function testInsert() {
 		$result = String::insert('?-pended result', array('Pre'));
 		$expected = "Pre-pended result";
 		$this->assertEqual($result, $expected);
+
+		$string = 'switching :timeout / :timeout_count';
+		$expected = 'switching 5 / 10';
+		$result = String::insert($string, array('timeout' => 5, 'timeout_count' => 10));
+		$this->assertEqual($result, $expected);
+
+		$string = 'switching :timeout / :timeout_count';
+		$expected = 'switching 5 / 10';
+		$result = String::insert($string, array('timeout_count' => 10, 'timeout' => 5));
+		$this->assertEqual($result, $expected);
+
+		$string = 'switching :timeout_count by :timeout';
+		$expected = 'switching 10 by 5';
+		$result = String::insert($string, array('timeout' => 5, 'timeout_count' => 10));
+		$this->assertEqual($result, $expected);
+
+		$string = 'switching :timeout_count by :timeout';
+		$expected = 'switching 10 by 5';
+		$result = String::insert($string, array('timeout_count' => 10, 'timeout' => 5));
+		$this->assertEqual($result, $expected);
 	}
 /**
  * test Clean Insert
@@ -253,4 +273,4 @@ function testTokenize() {
 		$this->assertEqual($expected, $result);
 	}
 }
-?>
+?>