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run code in 150+ php & hhvm versions
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<?php $contact_rec = [ "bob" => ["email" => "bob@example.com"], "sara" => ["email" => "sara@example.com"] ]; $contact_rec[0]=""; //The emails of the client foreach($contact as $key => $value) { if($value['email'] != null) $contact_rec[] = $value['email']; } foreach($contact_rec as $key => $value) { $contact_rec[$value] = $value; unset($contact_rec[$key]); } var_dump($contact_rec) ?>
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined variable: contact in /in/tuRiO on line 10 Warning: Invalid argument supplied for foreach() in /in/tuRiO on line 10 Warning: Illegal offset type in /in/tuRiO on line 17 Warning: Illegal offset type in /in/tuRiO on line 17 array(1) { [""]=> string(0) "" }
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined variable: contact in /in/tuRiO on line 14 Warning: Invalid argument supplied for foreach() in /in/tuRiO on line 14 Warning: Illegal offset type in /in/tuRiO on line 17 Warning: Illegal offset type in /in/tuRiO on line 17 array(1) { [""]=> string(0) "" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/tuRiO 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/tuRiO on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/tuRiO on line 3
Process exited with code 255.