src/file_functions.php ➔ file_contains()

Complexity

Conditions	4
Paths	4

Size

Total Lines	27
Code Lines	15

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	14
CRAP Score	4.0047

Importance

Changes

0

<?php
function file_contains($filename, $str)
{
    $handle = fopen($filename, 'r');

    if ($handle === false) {
        return false;
    }
    
    $valid = false;
    
    $len = max(2 * strlen($str), 256);
    $prev = '';
    
    while (!feof($handle)) {
        $cur = fread($handle, $len);
        
        if (strpos($prev . $cur, $str) !== false) {
            $valid = true;
            break;
        }
        $prev = $cur;
    }
    
    fclose($handle);
    
    return $valid;
}