Converts a PHP variable to a string.
mixed $var A PHP variable:
string The string representation of the variable
protected function varToString($var) {
if (is_object($var)) {
return sprintf('Object(%s)', get_class($var));
}
if (is_array($var)) {
$a = array();
foreach ($var as $k => $v) {
$a[] = sprintf('%s => %s', $k, $this
->varToString($v));
}
return sprintf("Array(%s)", implode(', ', $a));
}
if (is_resource($var)) {
return sprintf('Resource(%s)', get_resource_type($var));
}
if (null === $var) {
return 'null';
}
if (false === $var) {
return 'false';
}
if (true === $var) {
return 'true';
}
return (string) $var;
}