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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 93 to 114

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 17th November 2024 15:05 Europe/London time based on the source file dated 22nd August 2024 16:45 Europe/London time.