reak;
case 'preg' : $this->search_function = 'preg_search';
return TRUE;
break;
case 'ereg' : $this->search_function = 'ereg_search';
return TRUE;
break;
default : $this->last_error = 'Invalid search function specified';
return FALSE;
break;
}
}
//以下为搜索和替换程序的主文件
function search($filename){
$occurences = 0;
$file_array = file($filename);
for($i=0; $i<count($file_array); $i++){
$continue_flag = 0;
if(count($this->ignore_lines) > 0){
for($j=0; $j<count($this->ignore_lines); $j++){
if(substr($file_array[$i],0,strlen($this->ignore_lines[$j])) == $this->ignore_lines[$j]) $continue_flag = 1;
}
}
if($continue_flag == 1) continue;
$occurences += count(explode($this->find, $file_array[$i])) - 1;
$file_array[$i] = str_replace($this->find, $this->replace, $file_array[$i]);
}
if($occurences > 0) $return = array($occurences, implode(', $file_array)); else $return = FALSE;
return $return;
}
//使用quick(快速)搜索方法时,没有igonre_lines功能
function quick_search($filename){
clearstatcache();
$file = fread($fp = fopen($filename, 'r'), filesize($filename)); fclose($fp);
$occurences = count(explode($this->find, $file)) - 1;
$file = str_replace($this->find, $this->replace, $file);
if($occurences > 0) $return = array($occurences, $file); else $return = FALSE;
return $return;
}
//preg搜索方法不支持ignore_lines
function preg_search($filename){
clearstatcache();
$file = fread($fp = fopen($filename, 'r'), filesize($filename)); fclose($fp);
$occurences = count($matches = preg_split($this->find, $file)) - 1;
$file = preg_replace($this->find, $this->replace, $file);
if($occurences > 0) $return = array($occurences, $file); else $return = FALSE;
return $return;
}
 
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