1: <?php
 2: 
 3: namespace utiliy;
 4: 
 5: include_once "../../global.inc.php";
 6: 
 7: /**
 8:  * The StringManager provides some string-methods
 9:  * @author stubbfel
10:  * @since 25.06.2013
11:  */
12: class StringManager {
13: 
14:     /**
15:      * A Constant for an emptystring like ""
16:      * @var string 
17:      */
18:     public static $emptyString = "";
19:     
20:         /**
21:      * A Constant for an quotechars like "
22:      * @var string 
23:      */
24:     public static $quotes = "\"";
25: 
26:     /**
27:      * Method check if a certain string start with a certain substring
28:      * @param string $haystack
29:      * @param string $needle
30:      * @return boolean
31:      */
32:     public static function startsWith($haystack, $needle) {
33:         return !strncmp($haystack, $needle, strlen($needle));
34:     }
35: 
36:     /**
37:      * Method check if a certain string end with a certain substring
38:      * @param string $haystack
39:      * @param string $needle
40:      * @return boolean
41:      */
42:     public static function endsWith($haystack, $needle) {
43:         return (substr($haystack, -strlen($needle)) === $needle);
44:     }
45: 
46:     /**
47:      * Method if the string is not a empty String (not only spaces and controlls)
48:      * @param string $string
49:      * @return boolean
50:      */
51:     public static function validSQLString($string) {
52:         if (!ctype_space($string) && !ctype_cntrl($string)) {
53:             return TRUE;
54:         }
55:         return FALSE;
56:     }
57:     
58:         /**
59:      * Method if the string is in integor
60:      * @param string $value
61:      * @return boolean
62:      */
63:     public static function validInt($value) {
64:        if (!ctype_digit($value) || PHP_INT_MAX < $value) {
65:                 return FALSE;
66:         }
67:         return TRUE;
68:     }
69: 
70: }
71: 
72: ?>
73: