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delete_alternative_file()

Description

delete_alternative_file

Parameters

ColumnTypeDefaultDescription
$resource int Resource id.
: $ref get_alternative_file$resource
$ref;
$ref int Alternative file id.

Location

include/resource_functions.php lines 5149 to 5214

Definition

 
function delete_alternative_file($resource, $ref) : bool
    {
    # Delete any uploaded file.
    $info=get_alternative_file($resource,$ref);
    if (!$info)
        {
        return false;
        }

    $path=get_resource_path($resource, true, "", true, $info["file_extension"], -1, 1, false, "", $ref);
    hook('delete_alternative_file_extra', '', array($path));
    if (file_exists($path)) {unlink($path);}

        // run through all possible extensions/sizes
    $extensions = array();
    $extensions[]=$info['file_extension']?$info['file_extension']:"jpg";
    $extensions[]=isset($info['preview_extension'])?$info['preview_extension']:"jpg";
    $extensions[]=$GLOBALS['ffmpeg_preview_extension'];
        $extensions[]='jpg'; // always look for jpegs, just in case
    $extensions[]='icc'; // always look for extracted icc profiles
    $extensions=array_unique($extensions);
        $sizes = ps_array('SELECT id value FROM preview_size',array(),"schema");

        // in some cases, a jpeg original is generated for non-jpeg files like PDFs. Delete if it exists.
        $path=get_resource_path($resource, true,'', true, 'jpg', -1, 1, false, "", $ref);
        if (file_exists($path)) {
            unlink($path);
        }

        hook('delete_alternative_jpg_extra', '', array($path));

        // in some cases, a mp3 original is generated for non-mp3 files like WAVs. Delete if it exists.
        $path=get_resource_path($resource, true,'', true, 'mp3', -1, 1, false, "", $ref);
        if (file_exists($path)) {
            unlink($path);
        }

        foreach ($extensions as $extension){
            foreach ($sizes as $size){
                $page = 1;
                $lastpage = 0;
                while ($page <> $lastpage){
                    $lastpage = $page;
                    $path=get_resource_path($resource, true, $size, true, $extension, -1, $page, false, "", $ref);
                    hook('delete_alternative_file_loop', '', array($path));
                    if (file_exists($path)) {
                        unlink($path);
                        $page++;
                    }
                }
            }
        }
        hook('delete_alternative_mp3_extra', '', array($path));

    # Delete the database row
    ps_query("delete from resource_alt_files where resource=? and ref=?", array("i",$resource,"i",$ref));

    # Log the deletion
    resource_log($resource,LOG_CODE_DELETED_ALTERNATIVE,'');

    # Update disk usage
    update_disk_usage($resource);
    clear_query_cache("stats");

    return true;
    }

This article was last updated 4th December 2024 09:05 Europe/London time based on the source file dated 28th November 2024 12:10 Europe/London time.