Returns a compact textual representation of a PHP variable.
| public static variableToString ( mixed $variable ) : string | ||
| $variable | mixed | |
| return | string | |
/**
* Called after a variable has been set.
*
* @param ezcWorkflowExecution $execution
* @param string $variableName
* @param mixed $value
*/
public function afterVariableSet(ezcWorkflowExecution $execution, $variableName, $value)
{
$this->notifyListeners(sprintf('Set variable "%s" to "%s" for execution #%d of workflow "%s" (version %d).', $variableName, ezcWorkflowUtil::variableToString($value), $execution->getId(), $execution->workflow->name, $execution->workflow->version), ezcWorkflowExecutionListener::DEBUG);
}
/**
* Returns a the contents of a graphviz .dot file.
*
* @return boolean
* @ignore
*/
public function __toString()
{
$dot = 'digraph ' . $this->workflowName . " {\n";
foreach ($this->nodes as $key => $data) {
$dot .= sprintf("node%s [label=\"%s\", color=\"%s\"]\n", $key, $data['label'], $data['color']);
}
$dot .= "\n";
foreach ($this->edges as $fromNode => $toNodes) {
foreach ($toNodes as $toNode) {
$dot .= sprintf("node%s -> node%s%s\n", $fromNode, $toNode[0], $toNode[1]);
}
}
if (!empty($this->options['workflowVariables'])) {
$dot .= 'variables [shape=none, label=<<table>';
foreach ($this->options['workflowVariables'] as $name => $value) {
$dot .= sprintf('<tr><td>%s</td><td>%s</td></tr>', $name, htmlspecialchars(ezcWorkflowUtil::variableToString($value)));
}
$dot .= "</table>>]\n";
}
return $dot . "}\n";
}
/**
* Returns a textual representation of this node.
*
* @return string
* @ignore
*/
public function __toString()
{
$buffer = array();
foreach ($this->configuration as $variable => $value) {
$buffer[] = $variable . ' = ' . ezcWorkflowUtil::variableToString($value);
}
return implode(', ', $buffer);
}
