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Show messages about errors using generating JavaScript.

/ Published in: PHP
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  1. <?php
  2. class errors{
  3. 	private $_data='';
  4. 	private $_handlingStarted=0;
  5. 	private $_error=0;
  6.  
  7. 	function __construct()
  8. 	{
  9. 		$this->_data='<script type="text/javascript"><!--'."\n";
  10. 		$this->start();
  11. 		return true;
  12. 	}
  13.  
  14. 	function started(){
  15. 		return($this->_handlingStarted);
  16. 	}
  17.  
  18. 	function start(){
  19. 		$this->_handlingStarted=1;
  20. 	}
  21.  
  22. 	function isError(){
  23. 		return $this->_error;
  24. 	}
  25.  
  26.  	function appendJSError($text){
  27. 		if(!$this->started()) return ERRORS_STREAM_NSET;
  28.  		$this->_error=1;
  29. 		$this->_data.='alert("'.$text.'");'."\n";
  30.  	}
  31.  
  32.  	function redirect($url){
  33.     if(!$this->started()) return ERRORS_STREAM_NSET;
  34.  		$this->_data.='window.location.href=\''.$url.'\';'."\n";
  35.  	}
  36.  
  37. 	function stopHandling()
  38. 	{
  39. 		$this->_data.='--></script>'."\n";
  40. 	}
  41.  
  42. 	function outputData()
  43. 	{
  44.     if(!$this->started()) return ERRORS_STREAM_NSET;
  45. 		$this->stopHandling();
  46. 		return $this->_data;
  47. 	}
  48. }
  49. ?>

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