PHP : Reads entire file into a string without UTF8/UTF16 bom

file_get_contents_utf.php

<?php
/**
 * Reads entire file into a string without UTF8/UTF16 bom
 *
 * @param  string $file   Path of the file to read.
 * @return string         The read data or FALSE on failure.
 */
function file_get_contents_utf( $file = null ) {
  if ( is_readable( $file ) ) {
    if ( !( $fh = fopen( $file, 'r' ) ) ) return false;
    $data = fread( $fh, filesize( $file ) );

    // remove bom
    $bom = pack( 'H*','EFBBBF' );
    $data = preg_replace( "/^$bom/", '', $data );

    fclose( $fh );
    return $data;
  }
  return false;
}