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Fix PHP 8.1 "strlen(null)" exception creating Blueprint Working Copy

Summary:
`strlen()` was used in Phabricator to check if a generic value is a non-empty string.
This behavior is deprecated since PHP 8.1. Phorge adopts `phutil_nonempty_string()` as a replacement, however use `phutil_nonempty_scalar()` as the value might not necessarily be a string object.

Note: this may highlight other absurd input values that might be worth correcting
instead of just ignoring. If phutil_nonempty_scalar() throws an exception in your
instance, report it to Phorge to evaluate and fix that specific corner case.

```
EXCEPTION: (RuntimeException) strlen(): Passing null to parameter #1 ($string) of type string is deprecated at [<arcanist>/src/error/PhutilErrorHandler.php:261]
arcanist(head=master, ref.master=788098096e11), phorge(head=arcpatch-D25239, ref.master=840a7fab2bc8, ref.arcpatch-D25239=870d62ce0ed9)
  #0 <#2> PhutilErrorHandler::handleError(integer, string, string, integer) called at [<phorge>/src/infrastructure/customfield/standard/PhabricatorStandardCustomFieldInt.php:36]
```

Closes T15581

Test Plan:
Page `Create Blueprint` at `/drydock/blueprint/edit/form/default/` renders as expected in web browser.

Try also creating a custom integer field and put some fuzzy data.

https://we.phorge.it/book/phorge/article/custom_fields/

Test these values:

- 1 (stays as-is)
- 0 (stays as-is)
- 123.45 (becomes 123)
- a "lizard" (becomes zero)
- empty ("") (becomes empty)

Reviewers: O1 Blessed Committers, valerio.bozzolan

Reviewed By: O1 Blessed Committers, valerio.bozzolan

Subscribers: speck, tobiaswiese, valerio.bozzolan, Matthew, Cigaryno

Maniphest Tasks: T15581

Differential Revision: https://we.phorge.it/D25371
This commit is contained in:
Andre Klapper 2023-08-05 23:28:47 +02:00
parent 39b576b145
commit 226f315093

View file

@ -33,7 +33,7 @@ final class PhabricatorStandardCustomFieldInt
}
public function setValueFromStorage($value) {
if (strlen($value)) {
if (phutil_nonempty_scalar($value)) {
$value = (int)$value;
} else {
$value = null;