YML Syntax corrections in Strings Patterns

data/arrays.yml

@@ -32,7 +32,7 @@ questions:
         question: 'Which from the following list is not an appropriate use of an array?'
         answers:
             - {value: 'As a list', correct: false}
-            - {value: 'All of these uses are valid	', correct: true}
+            - {value: 'All of these uses are valid', correct: true}
             - {value: 'As a Lookup Table', correct: false}
             - {value: 'A Stack', correct: false}
             - {value: 'As a hash table', correct: false}
@@ -142,7 +142,7 @@ questions:
         answers:
             - {value: '$array_three = array_merge(array_reverse($array_one), $array_two);', correct: false}
             - {value: '$array_three = array_combine($array_one, $array_two);', correct: false}
-            - {value: '$array_three = array_combine(array_reverse($array_one), $array_two);	', correct: true}
+            - {value: '$array_three = array_combine(array_reverse($array_one), $array_two);', correct: true}
             - {value: '$array_three = array_merge($array_one, $array_two);', correct: false}
             - {value: '$array_three = array_reverse($array_one) + $array_two;', correct: false}
     -
@@ -173,7 +173,7 @@ questions:
             - {value: 'import_variables', correct: false}
             - {value: 'list', correct: true}
     -
-        question: | 
+        question: |
                     The following code snippet displays what for the resultant array?
                     $a = [1 => 0, 3 => 2, 4 => 6];
                     $b = [3 => 1, 4 => 3, 6 => 4];

data/basics.yml

@@ -18,7 +18,7 @@ questions:
     -
         question: 'What is the best way to iterate and modify every element of an array using PHP?'
         answers:
-            - {value: You cannot modify an array during iteration., correct: false}
+            - {value: 'You cannot modify an array during iteration.', correct: false}
             - {value: 'for ($i = 0; $i < count($array); $i++) { /* ... * / }', correct: false}
             - {value: 'foreach ($array as $key => &$val) { /* ... * / }', correct: true}
             - {value: 'foreach ($array as $key => $val) { /* ... * / }', correct: false}
@@ -31,7 +31,7 @@ questions:
                        echo $array[$array[FOO]] * $array["FOO"];
 
         answers:
-            - {value: FOO, correct: false}
+            - {value: 'FOO', correct: false}
             - {value: 100, correct: false}
             - {value: 200, correct: true}
             - {value: 20, correct: false}

data/functions.yml

@@ -1,7 +1,7 @@
 category: Functions
 questions:
     -
-        question: What is the best way to ensure that a user-defined function is always passed an object as its single parameter?
+        question: 'What is the best way to ensure that a user-defined function is always passed an object as its single parameter?'
         answers:
             - {value: 'function myfunction(stdClass $a)', correct: true}
             - {value: 'function myfunction($a = stdClass)', correct: false}
@@ -34,7 +34,7 @@ questions:
             - {value: '__halt_compiler();', correct: true}
             - {value: 'exit();', correct: true}
     -
-        question: What is the difference between the ``include`` and ``require`` language constructs?
+        question: 'What is the difference between the ``include`` and ``require`` language constructs?'
         answers:
             - {value: 'Require constructs can''t be used with URL filenames', correct: false}
             - {value: 'Include constructs cause a fatal error if the file doesn''t exist', correct: false}

data/input-output.yml

@@ -1,14 +1,14 @@
 category: Input/Output
 questions:
     -
-        question: How does one access standard input/output and error streams in PHP?
+        question: 'How does one access standard input/output and error streams in PHP?'
         answers:
             - {value: 'STDIN, STDOUT and STDERR constants', correct: true}
             - {value: 'Use stdin(), stdout() and stderr() functions', correct: false}
             - {value: 'PHP::STDIN, PHP::STDOUT and PHP::STDERR class constants', correct: false}
             - {value: 'Use PHP::stdin(), PHP::stdout() and PHP::stderr() class functions', correct: false}
     -
-        question: How to access standard error stream in PHP?
+        question: 'How to access standard error stream in PHP?'
         answers:
             - {value: '$stderr = STDERR;', correct: true}
             - {value: '$stderr = fopen("php://stderr", "w");', correct: true}

data/strings-patterns.yml

@@ -17,7 +17,7 @@ questions:
             - {value: '$a = "Value: $value";', correct: false}
             - {value: '$a = "Value: {$value[''val'']}";', correct: false}
     -
-        question: | 
+        question: |
                     What variable reference would go in the spots indicated by ????? in the code segment below?
                     $msg = "The Quick Brown Foxed Jumped Over the Lazy Dog";
                     $state = true;
@@ -37,7 +37,7 @@ questions:
             - {value: 'chr($msg);', correct: false}
             - {value: 'substr($msg, $i, 2);', correct: false}
     -
-        question: | 
+        question: |
                     Given the two values below, which of the following possibilities will print 10 foos20 bars?
                     $var1 = "10 foos";
                     $var2 = "20 bars";
@@ -71,7 +71,7 @@ questions:
             - {value: 'preg_split("-=-", $string);', correct: false}
             - {value: 'explode("-=-", $string);', correct: true}
     -
-        question: | 
+        question: |
                     What is the output of the following code?
                     $string = "14302";
                     $string[$string[2]] = "4";
@@ -99,7 +99,7 @@ questions:
             - {value: 'str_compare()', correct: false}
             - {value: 'strstr()', correct: false}
     -
-        question: | 
+        question: |
                     Consider the following script:
                     $oranges = 10;
                     $apples = 5;
@@ -115,7 +115,7 @@ questions:
             - {value: 'print sprintf($apples, $oranges);', correct: false}
             - {value: 'sprintf($string, $oranges, $apples);', correct: false}
     -
-        question: | 
+        question: |
                     Which functions would be needed to translate the following string:
                     I love PHP
                     to the following?
@@ -127,11 +127,11 @@ questions:
             - {value: 'str_reverse()', correct: false}
             - {value: 'strrev()', correct: true}
     -
-        question: | 
+        question: |
                     Which string does the following PCRE regular expression match?
                     $regex = "/^([a-z]{5})[1-5]+([a-z]+)/";
         answers:
-            - {value: Hello34262343goodbye', correct: false}
+            - {value: 'Hello34262343goodbye', correct: false}
             - {value: 'frank12345abc', correct: true}
             - {value: 'hello34212343goodbye', correct: true}
             - {value: 'abcdefghi12345abc', correct: false}

data/web-features.yml

@@ -32,7 +32,7 @@ questions:
             - {value: 'Use the session_regenerate_id() function', correct: false}
             - {value: 'Implement a custom session handler', correct: false}
     -
-        question: | 
+        question: |
                     Consider the following HTML fragment:
                     <select name="?????" multiple>
                     <option value="1">Item #1</option>
@@ -92,7 +92,7 @@ questions:
             - {value: 'Use the $_SERVER[''PHP_AUTH_USER''] and $_SERVER[''PHP_AUTH_PW''] variables', correct: true}
             - {value: 'Parse the $_SERVER[''REQUEST_URI''] variable', correct: false}
     -
-        question: | 
+        question: |
                     Consider the following function:
                     function redirect($url) {
                         // Check to make sure we haven't already sent