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<?php $obj = (object)array('123a' => '456'); var_dump($obj); if ( isset($obj->{'123a'})) { echo $obj->{'123a'},"\n"; }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.16 - 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 - 8.3.7
object(stdClass)#1 (1) { ["123a"]=> string(3) "456" } 456
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
object(stdClass)(1) { ["123a"]=> string(3) "456" } 456

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203.65 ms | 402 KiB | 309 Q