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Fix "Undefined index" exception setting Meme text
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. 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. ``` EXCEPTION: (RuntimeException) Undefined index: above at [<arcanist>/src/error/PhutilErrorHandler.php:251] arcanist(), phorge() #0 <#2> PhutilErrorHandler::handleError(integer, string, string, integer, array) called at [<phorge>/src/applications/macro/engine/PhabricatorMemeEngine.php:276] ``` Closes T15637 Test Plan: Create a meme called "angrycat" from the /macro/ page, and try a comment like this, expecting no nuclear implosion: {meme, src=angrycat, below=} {meme, src=angrycat, above=} {meme, src=angrycat, below=, above=} {meme, src=angrycat, below= , above= } {meme, src=angrycat, below=asd} {meme, src=angrycat, above=asd} {meme, src=angrycat, above=asd, below=dsa} {meme, src=angrycat, above= asd , below= dsa } Also carefully read the code with your big eyes, keeping in mind that strlen does not accept passing `null` in PHP 8, and looking at what we did in rPb4cfe56f03b44615ac9251aed8d74bf13b085051. Reviewers: O1 Blessed Committers, valerio.bozzolan Reviewed By: O1 Blessed Committers, valerio.bozzolan Subscribers: tobiaswiese, valerio.bozzolan, Matthew, Cigaryno Maniphest Tasks: T15637 Differential Revision: https://we.phorge.it/D25437
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1 changed files with 2 additions and 2 deletions
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@ -273,7 +273,7 @@ final class PhabricatorMemeEngine extends Phobject {
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$size = $metrics['size'];
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$above = $this->getAboveText();
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if (strlen($above)) {
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if ($above !== null && phutil_nonempty_string(trim($above))) {
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$x = (int)floor(($dx - $metrics['text']['above']['width']) / 2);
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$y = $metrics['text']['above']['height'] + 12;
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@ -281,7 +281,7 @@ final class PhabricatorMemeEngine extends Phobject {
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}
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$below = $this->getBelowText();
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if (strlen($below)) {
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if ($below !== null && phutil_nonempty_string(trim($below))) {
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$x = (int)floor(($dx - $metrics['text']['below']['width']) / 2);
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$y = $dy - 12 - $metrics['text']['below']['descend'];
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