Render huge fluid views to a stream resource

This is an attempt to render huge fluid views with low memory footprint.

Fluid snippets are passed to PHP resource streams in between to have them not appear in the result string of the overall view. Instead, placeholder strings are added to the result string. A worker called Container walks through the result template, replaces the placeholder strings by the actual contents and passes the combined result to another resource stream.

Tests show a single fluid result of over 100MB overall can be created with only 1MB of PHP memory footprint.

<?php

use StephanSchuler\FluidStreamBuffer\Stream\Container;

$view = new TYPO3Fluid\Fluid\View\TemplateView();

$stream = Container::create()
    ->renderView($view)
    ->toResourceStream();

assert(get_resource_type($stream) === 'stream');

print_r(
    fstat(
        $stream
    )
);

/**
 * Array
 * (
 *     [0] => 16777223
 *     [1] => 31874556
 *     [2] => 33152
 *     [3] => 1
 *     [4] => 942230658
 *     [5] => 635458030
 *     [6] => 0
 *     [7] => 116746983
 *     [8] => 1575327606
 *     [9] => 1575327607
 *     [10] => 1575327607
 *     [11] => 4096
 *     [12] => 228024
 *     [dev] => 16777223
 *     [ino] => 31874556
 *     [mode] => 33152
 *     [nlink] => 1
 *     [uid] => 942230658
 *     [gid] => 635458030
 *     [rdev] => 0
 *     [size] => 116746983
 *     [atime] => 1575327606
 *     [mtime] => 1575327607
 *     [ctime] => 1575327607
 *     [blksize] => 4096
 *     [blocks] => 228024
 * )
 */

stephanschuler/fluid-stream-buffer

Render huge fluid views to a stream resource