Read last line from file

Question

I\'ve been bumping into a problem. I have a log on a Linux box in which is written the output from several running processes. This file can get really big sometimes and I ne

Answer 1

this the code of Ionuț G. Stan

i modified your code a little and made it a function for reuseability

function read_last_line ($file_path){



$line = '';

$f = fopen($file_path, 'r');
$cursor = -1;

fseek($f, $cursor, SEEK_END);
$char = fgetc($f);

/**
* Trim trailing newline chars of the file
*/
while ($char === "\n" || $char === "\r") {
    fseek($f, $cursor--, SEEK_END);
    $char = fgetc($f);
}

/**
* Read until the start of file or first newline char
*/
while ($char !== false && $char !== "\n" && $char !== "\r") {
    /**
     * Prepend the new char
     */
    $line = $char . $line;
    fseek($f, $cursor--, SEEK_END);
    $char = fgetc($f);
}

return $line;
}

echo read_last_line('log.txt');

you will get that last line