/**
 * 读取和写入tab分割的文件
 *
 * @param 
 * @arrange (512.笔记) jb51.cc
 **/
 
function write_tabbed_file($filepath,$array,$save_keys=false){
    $content = '';
 
    reset($array);
    while(list($key,$val) = each($array)){
 
        // replace tabs in keys and values to [space]
        $key = str_replace("\t"," ",$key);
        $val = str_replace("\t",$val);
 
        if ($save_keys){ $content .=  $key."\t"; }
 
        // create line:
        $content .= (is_array($val)) ? implode("\t",$val) : $val;
        $content .= "\n";
    }
 
    if (file_exists($filepath) && !is_writeable($filepath)){ 
        return false;
    }
    if ($fp = fopen($filepath,'w+')){
        fwrite($fp,$content);
        fclose($fp);
    }
    else { return false; }
    return true;
}
 
//
// load a tab seperated text file as array
//
function load_tabbed_file($filepath,$load_keys=false){
    $array = array();
 
    if (!file_exists($filepath)){ return $array; }
    $content = file($filepath);
 
    for ($x=0; $x < count($content); $x++){
        if (trim($content[$x]) != ''){
            $line = explode("\t",trim($content[$x]));
            if ($load_keys){
                $key = array_shift($line);
                $array[$key] = $line;
            }
            else { $array[] = $line; }
        }
    }
    return $array;
}
 
/*
** Example usage:
*/
 
$array = array(
    'line1'  => array('data-1-1','data-1-2','data-1-3'),'line2' => array('data-2-1','data-2-2','data-2-3'),'line3'  => array('data-3-1','data-3-2','data-3-3'),'line4' => 'foobar','line5' => 'hello world'
);
 
// save the array to the data.txt file:
write_tabbed_file('data.txt',true);
 
/* the data.txt content looks like this:
line1 data-1-1 data-1-2 data-1-3
line2 data-2-1 data-2-2 data-2-3
line3 data-3-1 data-3-2 data-3-3
line4 foobar
line5 hello world
*/
 
// load the saved array:
$reloaded_array = load_tabbed_file('data.txt',true);
 
print_r($reloaded_array);
// returns the array from above


/***   来自编程之家 jb51.cc（jb51.cc）   ***/@H_502_6@ 原文链接：https://www.f2er.com/php/528951.html