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042 - How to get last lines in a million lines file.

Submitted by Anonymous on Tue, 12/16/2008 - 21:37

Example:

$i=0 ;
$lines=20 ;
$file = 'file_name.txt';
$fp = fopen($file,"r") ;
if(is_resource($fp)){
fseek($fp,0,SEEK_END) ;
$a = ftell($fp) ;
while($i <= $lines){
if(fgetc($fp) == "\n"){
echo (fgets($fp)) . "<br />";
$i++ ;
}
fseek($fp,$a) ;
$a-- ;
}
}