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<?php$var = 'text text text text text text text text texttext text text text text text<!-- start -->IMPORTANT STUFF<!-- end -->blah blubb';function extract_code( $str ) {	$start	= strpos( $str, '<!-- start -->' );	if ( $start !== false ) {		$ret = substr( $str, $start, strlen( $str ) );	}	$end	= strpos( $ret, '<!-- end -->' );	if ( $end !== false ) {		$ret = substr( $ret, 0, $end + strlen( '<!-- end -->' ) );	}	return $ret;}print extract_code( $var );?>