Output JavaScript variables from PHP (See related posts)

   1  
   2  //+ Jonas Raoni Soares Silva
   3  //@ http://jsfromhell.com
   4  
   5  class JS{
   6  	//generic and maybe not the desired results xD
   7  	function value($o){
   8  		if($o === null)
   9  			return 'null';
  10  		$t = strtolower(gettype($o));
  11  		if($t == 'string' && is_numeric($o) && ($o[0] || strlen($o) == 1) || in_array($t, array('double', 'integer')))
  12  			$t = 'number';
  13  		elseif($t == 'string' && preg_match('@^\d{4}(?:-\d{1,2}){1,2}(?: (?:\d{1,2}:){2}\d{1,2})?$@', $o)) //strtotime works also with "strange" values strtotime('x')
  14  			$t = 'date';
  15  		elseif($t == 'array' && ($c = count($k = array_keys($o))) && $k !== range(0, $c - 1))
  16  			$t = 'object';
  17  		elseif(!in_array($t, array('boolean', 'string', 'array', 'object')))
  18  			$t = 'string';
  19  		$t = 'from' . $t;
  20  		return self::$t($o);
  21  	}
  22  	function fromNumber($o){
  23  		return +$o . '';
  24  	}
  25  	function fromObject($o){
  26  		$r = array();
  27  		foreach($o as $n => $v)
  28  			$r[] = self::fromString($n) . ':' . self::value($v);
  29  		return '{' . implode(',', $r) . '}';
  30  	}
  31  	function fromBoolean($o){
  32  		return $o ? 'true' : 'false';
  33  	}
  34  	//$q = should quote? 
  35  	//$c = char that will be used to quote
  36  	function fromString($o, $q = true, $c = '"'){
  37  		return ($p = $q ? $c : '') . preg_replace('/\r\n|\n\r|\r/', '\n', str_replace($c, '\\' . $c, str_replace('\\', '\\\\', $o))) . $p;
  38  	}
  39  	function fromArray($o){
  40  		$s = '';
  41  		foreach($o as $v)
  42  			$s .= ($s ? ',' : '') . self::value($v);
  43  		return '[' . $s . ']';
  44  	}
  45  	function fromDate($o){
  46  		(is_numeric($o) && $o = +$o) || ($o = strtotime($o)) > 0 || ($o = mktime());
  47  		$o = explode(',', date('Y,n,j,G,i,s', $o));
  48  		foreach($o as $i => $v)
  49  			$o[$i] = +$v;
  50  		return 'new Date(' . implode(',', $o)  . ')';
  51  	}
  52  }

   1  
   2  $o = new stdClass;
   3  $o->abc = 123;
   4  echo implode("\n<br />", array(
   5  	JS::value('1984-07-22 11:30:12'),
   6  	JS::value('Test'),
   7  	JS::value(1234),
   8  	JS::value(true),
   9  	JS::value(array(1,2,3)),
  10  	JS::value(array('lala' => 'x')),
  11  	JS::value($o)
  12  ));