Search String and Return Line PHP

Question

I\'m trying to search a PHP file for a string and when that string is found I want to return the whole LINE that the string is on. Here is my example code. I\'m thinking I

Answer 1

Just read the whole file as array of lines using file function.

function getLineWithString($fileName, $str) {
    $lines = file($fileName);
    foreach ($lines as $lineNumber => $line) {
        if (strpos($line, $str) !== false) {
            return $line;
        }
    }
    return -1;
}