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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_rec 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 8.0.9 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/APGvk:12 Stack trace: #0 {main} thrown in /in/APGvk on line 12
Process exited with code 255.
Output for 8.0.0 - 8.0.8
Warning: Uninitialized string offset 0 in /in/APGvk on line 12 Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/APGvk:12 Stack trace: #0 {main} thrown in /in/APGvk on line 12
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.29 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Warning: Illegal string offset 'email' in /in/APGvk on line 12 Notice: Uninitialized string offset: 0 in /in/APGvk on line 12 Warning: Illegal offset type in /in/APGvk on line 17 Warning: Illegal offset type in /in/APGvk on line 17 array(3) { [""]=> string(0) "" ["bob@example.com"]=> string(15) "bob@example.com" ["sara@example.com"]=> string(16) "sara@example.com" }
Output for 7.3.32 - 7.3.33, 7.4.26
Warning: Illegal string offset 'email' in /in/APGvk on line 12 Warning: Illegal offset type in /in/APGvk on line 17 Warning: Illegal offset type in /in/APGvk on line 17 array(3) { [""]=> string(0) "" ["bob@example.com"]=> string(15) "bob@example.com" ["sara@example.com"]=> string(16) "sara@example.com" }
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 '[' in /in/APGvk on line 3
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 '[' in /in/APGvk on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/APGvk on line 3
Process exited with code 255.
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