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--TEST-- Accessing unserialized numbers. --SKIPIF-- <?php if(!extension_loaded('igbinary')) { echo "skip no igbinary"; } if (PHP_VERSION_ID < 70200) { echo "Skip php 7.2+ required"; } ?> --FILE-- <?php $data = (object)array(1,2,3, -1 => 'x', 1234 => 33); var_dump($data); $x = "1"; $y = 1; $z = "1234"; $w = 1234; var_dump(isset($data->{$x}) ? $data->{$x} : "unset"); error_reporting(0); $str = igbinary_serialize($data); $unserialized = igbinary_unserialize($str); var_dump($unserialized); var_dump(isset($unserialized->{$x}) ? $unserialized->{$x} : "unset str"); var_dump(isset($unserialized->{$y}) ? $unserialized->{$y} : "unset int"); var_dump(isset($unserialized->{$z}) ? $unserialized->{$z} : "unset str 1234"); var_dump(isset($unserialized->{$w}) ? $unserialized->{$w} : "unset int 1234"); var_dump(isset($unserialized->{-1}) ? $unserialized->{-1} : "unset int -1"); ?> --EXPECT-- object(stdClass)#1 (5) { ["0"]=> int(1) ["1"]=> int(2) ["2"]=> int(3) ["-1"]=> string(1) "x" ["1234"]=> int(33) } int(2) object(stdClass)#2 (5) { ["0"]=> int(1) ["1"]=> int(2) ["2"]=> int(3) ["-1"]=> string(1) "x" ["1234"]=> int(33) } int(2) int(2) int(33) int(33) string(1) "x"