example.php

<?php

namespace JPB;

with( open( 'myfile.txt', 'w+' ), function( $file ) {
  fwrite( $file, 'Hello World!' );
} );

File.php

<?php

namespace JPB;

class File implements HasContextInterface
{
  protected $fileName;
  protected $mode;
  
  function __construct( $fileName, $mode = 'r' )
  {
    $this->fileName = $fileName;
    $this->mode = $mode;
  }
  
  function __invoke(...$args): \Generator
  {
    $file = $this->getFile();
    yield $file;
    fclose($file);
  }

  protected function getFile(): resource
  {
    $file = fopen( $this->fileName, $this->mode );
    if ( ! $file ) { throw new \InvalidInputException( 'Could not open the requested file' ); }
    return $file;
  }
}

HasContextInterface.php

<?php

namespace JPB;

interface HasContextInterface
{
  function __invoke(...$args): \Generator;
}

helpers.php

<?php

namespace JPB;

function with( HasContextInterface $context, callable $do ) {
  foreach( $context() as $thing ) {
    $return = $do( $thing );
  }
  return $return;
}

function open( $file, $mode = 'r' ): File {
  return new File( $file, $mode );
}