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run code in 150+ php & hhvm versions
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<?php $obj = new stdClass; $obj->{'123'} = '456'; print_r($obj); echo 'Via Key {\'123\'} -- not a Property: ' . $obj->{'123'},"\n"; $obj->{'a123'} = $obj->{'123'}; print_r($obj); echo 'Via Property a123 which is Key: ' . $obj->a123,"\n"; $obj->a[] = $obj->{'123'}; $obj->a[] = $obj->{'a123'}; var_dump($obj); echo 'Via Property "a" and Array Indexing: ' . $obj->a[1],"\n";
based on vGrgP
Output for 5.0.0 - 7.1.0
stdClass Object ( [123] => 456 ) Via Key {'123'} -- not a Property: 456 stdClass Object ( [123] => 456 [a123] => 456 ) Via Property a123 which is Key: 456 object(stdClass)#1 (3) { ["123"]=> string(3) "456" ["a123"]=> string(3) "456" ["a"]=> array(2) { [0]=> string(3) "456" [1]=> string(3) "456" } } Via Property "a" and Array Indexing: 456
Output for 4.3.0 - 4.4.9
stdClass Object ( [123] => 456 ) Via Key {'123'} -- not a Property: 456 stdClass Object ( [123] => 456 [a123] => 456 ) Via Property a123 which is Key: 456 object(stdClass)(3) { [123]=> string(3) "456" ["a123"]=> string(3) "456" ["a"]=> array(2) { [0]=> string(3) "456" [1]=> string(3) "456" } } Via Property "a" and Array Indexing: 456