Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Opens file or URL
fopen(    string $filename,    string $mode,    bool $use_include_path false,    ?resource $context null): resource|false
            posix_mkfifo($this->fifoPath0600);



            
$stream fopen($this->fifoPath'r+');
        } else {

            
$stream fopen('php://temp/maxmemory:0''r+');



            
fwrite($stream'x');

            
ftruncate($stream0);
        $this->loop $this->createLoop(true);



        
$input fopen('php://temp/maxmemory:0''r+');



        
fwrite($input'x');

        
ftruncate($input0);
        posix_mkfifo($this->fifoPath0600);



        
$stream fopen($this->fifoPath'r+');



        return 
$stream;

    }