php 全文搜索和替换的实现代码
发布时间：2016-12-29 来源：查字典编辑
摘要：
<?php
exec("/bin/grep-r'$oldword'$rootpath",$results,$errorCode);
if($errorCode){
if($errorCode==1){
echo"Possiblynofileswerefoundwith?$oldwordinthem<BR>n";
}
echo"OSError:$errorCode<BR>n";
echo"Check'manerrno'andcountdown<BR>n";
echo"Usuallypaths/permissions<BR>n";
}
while(list(,$path)=each($results)){
$parts=explode(':',$path);
$path=$parts[0];
$fp=fopen($path,'r')orprint("Cannotread$path<BR>n");
if($fp){
$data=fread($fp,filesize($path));
fclose($fp);
$newdata=str_replace($oldword,$newword,$data);
$fp=fopen($path,'w')orprint("Cannotwrite$path<BR>n");
if($fp){
fwrite($fp,$newdata);
fclose($fp);
echo$path,"<BR>n";
}
}
}
?>