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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 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(true) bool(true)
preferences:
273.55 ms | 404 KiB | 376 Q