Compatible with PHP 8.0, 8.1?

Is the latest version of the plugin compatible with PHP 8.0, 8.1?

Plugin ver. 2.2.2 crash my site with PHP 8.1, fatal error.

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Error in the file (line 602):

/autoptimize/classes/autoptimizeStyles.php

Text of error:

PHP Fatal error:  Array and string offset access syntax with curly braces is no longer supported in /public_html/wp-content/plugins/autoptimize/classes/autoptimizeStyles.php on line 602

Target code:

$url = $noQurl;
if ( '/' === $url{0} || preg_match( '#^(https?://|ftp://|data:)#i', $url ) ) {
  // URL is protocol-relative, host-relative or something we don't touch
  continue;
} else {
  // Relative URL
  $newurl = preg_replace( '/https?:/', '', str_replace( ' ', '%20', AUTOPTIMIZE_WP_ROOT_URL . str_replace( '//', '/', $dir . '/' . $url ) ) );

  // Hash the url + whatever was behind potentially for replacement
  // We must do this, or different css classes referencing the same bg image (but
  // different parts of it, say, in sprites and such) loose their stuff...
  $hash = md5( $url . $matches[2][$k] );
  $code = str_replace( $matches[0][$k], $hash, $code );

  if ( $removedQuotes ) {
    $replace[$hash] = "url('" . $newurl . "')" . $matches[2][$k];
  } else {
    $replace[$hash] = 'url(' . $newurl . ')' . $matches[2][$k];
  }
}

• This topic was modified 1 hour, 22 minutes ago by kirpich1.
• This topic was modified 1 hour, 22 minutes ago by kirpich1.