PHP大文件储存示例，各种文件分割和合并(二进制分割与合并)

split.php

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<?php$i    = 0;                               //分割的块编号$fp   = fopen("abc.wmv","rb");     //要分割的文件$file = fopen("split_hash.txt","a");     //记录分割的信息的文本文件while(!feof($fp)){        $handle = fopen("abc.wmv.{$i}","wb");        fwrite($handle,fread($fp,5000000));            //5000000 可以自定义.就是每个所分割的文件大小        fwrite($file,"qqdjz_002.wmv.{$i}\r\n");        fclose($handle);        unset($handle);        $i++;}fclose ($fp);fclose ($file);echo "ok";?>

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join.php

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<?php$mov  = file_get_contents("abc.txt");           //读取分割文件的信息$list = explode("\r\n",$mov);$fp   = fopen("split.wmv","ab");                  //合并后的文件名foreach($list as $value){	if(!empty($value)) {        		$handle = fopen($value,"rb");        	fwrite($fp,fread($handle,filesize($value)));        	fclose($handle);        	unset($handle);	}}fclose($fp);?>