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<?php class Test { public $assoc = [ '9999999999999999999' => 'large number', '99999' => 'small number', ]; public function check() { var_dump( isset($this->assoc['9999999999999999999']), isset($this->assoc['99999']) ); } } $t = new Test; $t->check();
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) bool(true)

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