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Fix PHP 8.1 "strlen(null)" exception which blocks rendering the Projects page (and log alien values)

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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 general replacement.

In this specific case we use `phutil_nonempty_stringlike()` since we are not sure
if the variable `href` should be just a string or other objects.

In order not to leave these cases to chance, we have added a log line, which can be
removed in the future.

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

Closes T15303
Ref T15316

Test Plan:
Applied this change (on top of D25144, D25145, D25146, D25147, D25150,
D25142) and `/project/` rendered in web browser.

Reviewers: O1 Blessed Committers, valerio.bozzolan

Reviewed By: O1 Blessed Committers, valerio.bozzolan

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

Maniphest Tasks: T15303, T15316

Differential Revision: https://we.phorge.it/D25153
This commit is contained in:
Andre Klapper 2023-05-01 22:22:18 +02:00
parent b44665aefe
commit 4d88095f2a
1 changed files with 18 additions and 1 deletions
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19
src/view/phui/PHUITagView.php
View file

@ -100,7 +100,24 @@ final class PHUITagView extends AphrontTagView {
return $this;
}
/**
* Set the href attribute
*
* @param string|null $href
* @return self
*/
public function setHref($href) {
// We have not a very clear idea about what this method should receive
// We suspect that PhutilURI should be allowed... but let's log everything!
// https://we.phorge.it/T15316
if (is_object($href)) {
phlog(sprintf(
'Received unexpected type for href: %s. '.
'Please paste this log as comment in https://we.phorge.it/T15316',
get_class($href)));
}
$this->href = $href;
return $this;
}
@ -126,7 +143,7 @@ final class PHUITagView extends AphrontTagView {
}
protected function getTagName() {
return strlen($this->href) ? 'a' : 'span';
return phutil_nonempty_stringlike($this->href) ? 'a' : 'span';
}
public function setContextObject($context_object) {