protected function EasyRdf_Serialiser_GraphViz::escape in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 vendor/easyrdf/easyrdf/lib/EasyRdf/Serialiser/GraphViz.php \EasyRdf_Serialiser_GraphViz::escape()

Internal function to escape a string into DOT safe syntax

@ignore

3 calls to EasyRdf_Serialiser_GraphViz::escape()

EasyRdf_Serialiser_GraphViz::escapeAttributes in vendor/easyrdf/easyrdf/lib/EasyRdf/Serialiser/GraphViz.php

Internal function to escape an associate array of attributes and turns it into a DOT notation string

EasyRdf_Serialiser_GraphViz::serialiseDot in vendor/easyrdf/easyrdf/lib/EasyRdf/Serialiser/GraphViz.php

Internal function to serialise an EasyRdf_Graph into a DOT formatted string

EasyRdf_Serialiser_GraphViz::serialiseRow in vendor/easyrdf/easyrdf/lib/EasyRdf/Serialiser/GraphViz.php

Internal function to create dot syntax line for either a node or an edge

File

vendor/easyrdf/easyrdf/lib/EasyRdf/Serialiser/GraphViz.php, line 202

Class

EasyRdf_Serialiser_GraphViz

Class to serialise an EasyRdf_Graph to GraphViz

Code

protected function escape($input) {
  if (preg_match('/^([a-z_][a-z_0-9]*|-?(\\.[0-9]+|[0-9]+(\\.[0-9]*)?))$/i', $input)) {
    return $input;
  }
  else {
    return '"' . str_replace(array(
      "\r\n",
      "\n",
      "\r",
      '"',
    ), array(
      '\\n',
      '\\n',
      '\\n',
      '\\"',
    ), $input) . '"';
  }
}