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run code in 200+ php & hhvm versions
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<?php $data = []; $age = $data['people'][0]['age'] ?? 10; var_dump($age); $data = [ 'people' => [ [ 'age' => 12 ] ] ]; $age = $data['people'][0]['age'] ?? 10; var_dump($age);
Output for hhvm-3.11.1 - 3.22.0, 7.0.0 - 7.2.4
int(10) int(12)
Output for hhvm-3.10.1
Fatal error: syntax error, unexpected '?' in /in/TuAqQ on line 4
Process exited with code 255.
Output for 5.4.0 - 5.6.30
Parse error: syntax error, unexpected '?' in /in/TuAqQ on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/TuAqQ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/TuAqQ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TuAqQ on line 3
Process exited with code 255.