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<?php class SiteId { protected $id; public function __construct($id) { $this->id = $id; } public function getId() { return $this->id; } } $siteId = new SiteId("1"); echo "Is Site ID a string? "; var_dump(is_string($siteId)); echo "\n"; $identifiers = []; $identifiers[$siteId->getId()][] = 'test'; var_dump(array_keys($identifiers));
Output for git.master, git.master_jit, rfc.property-hooks
Is Site ID a string? bool(false) array(1) { [0]=> int(1) }

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