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run code in 150+ php & hhvm versions
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<?php $contact_rec = [ "bob" => ["email" => "bob@example.com"], 2 => "bar" ]; $contact_rec[0]=""; var_dump($contact_rec) ?>
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { ["bob"]=> array(1) { ["email"]=> string(15) "bob@example.com" } [2]=> string(3) "bar" [0]=> string(0) "" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/7IquR 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/7IquR on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/7IquR on line 3
Process exited with code 255.