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Revision 438

Added by Matthias over 17 years ago

Fixed some issues in search highlighting function (Thanks to thorn)

View differences:

frontend.functions.php
68 68 

  		




  69
  69
  
    
//function to highlight search results


  		




  70
  70
  
    
function search_highlight($foo='', $arr_string=array()) {


  		




  
  71
  
    
	$last_string="";


  		




  71
  72
  
    
	foreach($arr_string as $string) {


  		




  72
  
  
    
		$string=str_replace('\\','\\\\',$string); 


  		




  73
  
  
    
		$string=str_replace('/','\/',$string); 


  		




  74
  
  
    
		$string=str_replace('*','\*',$string); 


  		




  75
  
  
    
		$string=str_replace('.','\.',$string); 


  		




  76
  
  
    
    


  		




  77
  
  
    
		$foo=preg_replace('/(>[^<]*)('.strtolower($string).')/', '$1<span class="highlight">$2</span>',$foo); 


  		




  78
  
  
    
		$foo=preg_replace('/^([^<]*)('.strtolower($string).')/', '$1<span class="highlight">$2</span>',$foo);


  		




  79
  
  
    
    


  		




  80
  
  
    
		$foo=preg_replace('/(>[^<]*)('.strtoupper($string).')/', '$1<span class="highlight">$2</span>',$foo); 


  		




  81
  
  
    
		$foo=preg_replace('/^([^<]*)('.strtoupper($string).')/', '$1<span class="highlight">$2</span>',$foo);


  		




  82
  
  
    
    


  		




  83
  
  
    
		$foo=preg_replace('/(>[^<]*)('.ucfirst($string).')/', '$1<span class="highlight">$2</span>',$foo); 


  		




  84
  
  
    
		$foo=preg_replace('/^([^<]*)('.ucfirst($string).')/', '$1<span class="highlight">$2</span>',$foo);


  		




  
  73
  
    
		// filter meta-characters


  		




  
  74
  
    
		$string=preg_quote($string, '/');


  		




  
  75
  
    
		if ($string!=$last_string ) {


  		




  
  76
  
    
			$foo=preg_replace('/('.$string.')(?=[^>;]*(&|<))/iUS', '<span class="highlight">$1</span>',$foo);


  		




  
  77
  
    
			$last_string=$string;


  		




  
  78
  
    
		}


  		




  85
  79
  
    
	}


  		




  86
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	return $foo;


  		




  87
  81
  
    
}  


  		












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