{"action":"created","issue":{"url":"https://api.github.com/repos/PHPOffice/PhpSpreadsheet/issues/325","repository_url":"https://api.github.com/repos/PHPOffice/PhpSpreadsheet","labels_url":"https://api.github.com/repos/PHPOffice/PhpSpreadsheet/issues/325/labels{/name}","comments_url":"https://api.github.com/repos/PHPOffice/PhpSpreadsheet/issues/325/comments","events_url":"https://api.github.com/repos/PHPOffice/PhpSpreadsheet/issues/325/events","html_url":"https://github.com/PHPOffice/PhpSpreadsheet/issues/325","id":287119065,"node_id":"MDU6SXNzdWUyODcxMTkwNjU=","number":325,"title":"\"!\" characters in Worksheet title will make reference formulas crash","user":{"login":"hampusiggstrom","id":1785898,"node_id":"MDQ6VXNlcjE3ODU4OTg=","avatar_url":"https://avatars0.githubusercontent.com/u/1785898?v=4","gravatar_id":"","url":"https://api.github.com/users/hampusiggstrom","html_url":"https://github.com/hampusiggstrom","followers_url":"https://api.github.com/users/hampusiggstrom/followers","following_url":"https://api.github.com/users/hampusiggstrom/following{/other_user}","gists_url":"https://api.github.com/users/hampusiggstrom/gists{/gist_id}","starred_url":"https://api.github.com/users/hampusiggstrom/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hampusiggstrom/subscriptions","organizations_url":"https://api.github.com/users/hampusiggstrom/orgs","repos_url":"https://api.github.com/users/hampusiggstrom/repos","events_url":"https://api.github.com/users/hampusiggstrom/events{/privacy}","received_events_url":"https://api.github.com/users/hampusiggstrom/received_events","type":"User","site_admin":false},"labels":[{"id":395149140,"node_id":"MDU6TGFiZWwzOTUxNDkxNDA=","url":"https://api.github.com/repos/PHPOffice/PhpSpreadsheet/labels/bug","name":"bug","color":"ee0701","default":true},{"id":424227866,"node_id":"MDU6TGFiZWw0MjQyMjc4NjY=","url":"https://api.github.com/repos/PHPOffice/PhpSpreadsheet/labels/calculation%20engine","name":"calculation engine","color":"c2e0c6","default":false},{"id":395149151,"node_id":"MDU6TGFiZWwzOTUxNDkxNTE=","url":"https://api.github.com/repos/PHPOffice/PhpSpreadsheet/labels/help%20wanted","name":"help wanted","color":"128A0C","default":true},{"id":768938751,"node_id":"MDU6TGFiZWw3Njg5Mzg3NTE=","url":"https://api.github.com/repos/PHPOffice/PhpSpreadsheet/labels/stale","name":"stale","color":"ffffff","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":7,"created_at":"2018-01-09T15:03:16Z","updated_at":"2018-08-07T02:07:45Z","closed_at":null,"author_association":"NONE","body":"This is:\r\n\r\n```\r\n- [X] a bug report\r\n- [ ] a feature request\r\n- [X] **not** a usage question (ask them on https://stackoverflow.com/questions/tagged/phpspreadsheet or https://gitter.im/PHPOffice/PhpSpreadsheet)\r\n```\r\n\r\n### What is the expected behavior?\r\nThe calculation should be valid. The \"!\" needs to be added to `$invalidCharacters` or calculations needs to be updated to support exclamation mark characters in sheet titles. \r\n\r\n### What is the current behavior?\r\n```Uncaught PhpOffice\\PhpSpreadsheet\\Calculation\\Exception: Title!!C1 -> Cell coordinate can not be zero-length string```\r\n\r\n### What are the steps to reproduce?\r\n\r\n```php\r\n<?php\r\n\r\nrequire 'vendor/autoload.php';\r\n\r\nuse PhpOffice\\PhpSpreadsheet\\Spreadsheet;\r\nuse PhpOffice\\PhpSpreadsheet\\Writer\\Xlsx;\r\n\r\n$spreadsheet = new Spreadsheet();\r\n$sheet = $spreadsheet->getActiveSheet();\r\n$sheet->setTitle('Title!');\r\n$sheet->fromArray([1, 2,'=SUM(A1:A2)']);\r\n\r\n$writer = new Xlsx($spreadsheet);\r\n$writer->save('hello world.xlsx');\r\n```\r\n\r\n### Which versions of PhpSpreadsheet and PHP are affected?\r\nall\r\n  \r\n  \r\n  "},"comment":{"url":"https://api.github.com/repos/PHPOffice/PhpSpreadsheet/issues/comments/410909378","html_url":"https://github.com/PHPOffice/PhpSpreadsheet/issues/325#issuecomment-410909378","issue_url":"https://api.github.com/repos/PHPOffice/PhpSpreadsheet/issues/325","id":410909378,"node_id":"MDEyOklzc3VlQ29tbWVudDQxMDkwOTM3OA==","user":{"login":"PowerKiKi","id":72603,"node_id":"MDQ6VXNlcjcyNjAz","avatar_url":"https://avatars0.githubusercontent.com/u/72603?v=4","gravatar_id":"","url":"https://api.github.com/users/PowerKiKi","html_url":"https://github.com/PowerKiKi","followers_url":"https://api.github.com/users/PowerKiKi/followers","following_url":"https://api.github.com/users/PowerKiKi/following{/other_user}","gists_url":"https://api.github.com/users/PowerKiKi/gists{/gist_id}","starred_url":"https://api.github.com/users/PowerKiKi/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/PowerKiKi/subscriptions","organizations_url":"https://api.github.com/users/PowerKiKi/orgs","repos_url":"https://api.github.com/users/PowerKiKi/repos","events_url":"https://api.github.com/users/PowerKiKi/events{/privacy}","received_events_url":"https://api.github.com/users/PowerKiKi/received_events","type":"User","site_admin":false},"created_at":"2018-08-07T02:07:45Z","updated_at":"2018-08-07T02:07:45Z","author_association":"MEMBER","body":"Would still be nice if somebody can come up with a PR for this issue"}}
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