3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass; $obj->{'123a'} = "foo"; $arr = (array) $obj; var_dump($arr[123a]); // Undefined offset: 123 var_dump($arr["123a"]); // Undefined offset: 123
Output for 5.4.0 - 5.4.34
Parse error: syntax error, unexpected 'a' (T_STRING), expecting ']' in /in/KQFRk on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING, expecting ']' in /in/KQFRk on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING, expecting ']' in /in/KQFRk on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `']'' in /in/KQFRk on line 5
Process exited with code 255.
preferences:
206.23 ms | 1399 KiB | 124 Q