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is_banned_extension()

Description

Is the given extension in the list of blocked extensions?
Also ensures extension is no longer than 10 characters due to resource.file_extension database column limit

Parameters

ColumnTypeDefaultDescription
$extension: string
10}$/'
$extension string - file extension to check
array_map'mb_strtolower'
$GLOBALS['banned_extensions'] ""

Location

include/file_functions.php lines 223 to 229

Definition

 
function is_banned_extension(string $extension): bool
{
    return !(
        
preg_match('/^[a-zA-Z0-9_-]{1,10}$/'$extension) === 1
        
&& !in_array(mb_strtolower($extension), array_map('mb_strtolower'$GLOBALS['banned_extensions']))
    );
}

This article was last updated 15th February 2025 20:35 Europe/London time based on the source file dated 21st January 2025 15:20 Europe/London time.