public function __toString()
{
$s = '';
$s .= "Edge{" . str($this->v0);
if ($this->isDirected()) {
$s .= '->' . str($this->v1);
} else {
$s .= '--' . str($this->v1);
}
if ($this->weight !== NULL) {
$s .= ', weight = ' . str($this->weight);
}
$s .= '}';
return $s;
}
/**
* Main program.
*
* @param array $args Command-line arguments.
* @return integer Zero on success; non-zero on failure.
*/
public static function main($args)
{
printf("Edge main program.\n");
$status = 0;
return $status;
}
}
if (realpath($argv[0]) == realpath(__FILE__)) {
exit(Edge::main(array_slice($argv, 1)));
}