get_checksum()

Description

Return a checksum for the given file path.

Parameters

ColumnTypeDefaultDescription
$path string Path to file
$forcefull bool false Force use of whole file and ignore $file_checksums_50k setting

Return

string|false Return the checksum value, false otherwise.

Location

include/file_functions.php lines 85 to 102

Definition

 
function get_checksum($path, $forcefull = false)
{
    debug("get_checksum( \$path = {$path} );");
    global $file_checksums_50k;
    if (!is_readable($path)) {
        return false;
    }

    # Generate the ID
    if ($file_checksums_50k && !$forcefull) {
        # Fetch the string used to generate the unique ID
        $use = filesize_unlimited($path) . "_" . file_get_contents($path, false, null, 0, 50000);
        $checksum = md5($use);
    } else {
        $checksum = md5_file($path);
    }
    return $checksum;
}

This article was last updated 6th April 2025 21:35 Europe/London time based on the source file dated 4th April 2025 18:05 Europe/London time.