90 lines
1.9 KiB
PHP
90 lines
1.9 KiB
PHP
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<?php
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/**
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* @copyright 2006-2009 City of Bloomington, Indiana
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* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.txt
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* @author Cliff Ingham <inghamn@bloomington.in.gov>
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*/
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abstract class View
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{
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protected $vars = array();
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abstract public function render();
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/**
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* Magic Method for setting object properties
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* @param string $key
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* @param mixed $value
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*/
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public function __set($key,$value) {
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$this->vars[$key] = $value;
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}
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/**
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* Magic method for getting object properties
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* @param string $key
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* @return mixed
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*/
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public function __get($key)
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{
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if (isset($this->vars[$key])) {
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return $this->vars[$key];
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}
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return null;
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}
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/**
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* @param string $key
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* @return boolean
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*/
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public function __isset($key) {
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return array_key_exists($key,$this->vars);
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}
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/**
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* Cleans strings for output
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*
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* There are more bad characters than htmlspecialchars deals with. We just want
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* to add in some other characters to clean. While here, we might as well
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* have it trim out the whitespace too.
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*
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* @param array|string $string
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* @param CONSTANT $quotes Optional, the desired constant to use for the htmlspecidalchars call
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* @return string
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*/
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public static function escape($input,$quotes=ENT_QUOTES)
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{
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if (is_array($input)) {
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foreach ($input as $key=>$value) {
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$input[$key] = self::escape($value,$quotes);
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}
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}
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else {
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$input = htmlspecialchars(trim($input),$quotes);
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}
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return $input;
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}
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/**
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* Return the first $n words of the given string
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*
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* @param string $string Source string
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* @param int $numWords Number of words
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* @return string
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*/
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public static function limitWords($string,$numWords)
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{
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$output = '';
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$words = preg_split('/\s+/',$string);
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$c = 0;
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foreach ($words as $word) {
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$output.= "$word ";
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$c++;
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if ($c >= $numWords) {
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$output.= '...';
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break;
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}
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}
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return $output;
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}
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}
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