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Prototype code to check for missing extensions

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This is useful in general, but will also provide clear error text if
trying to fork without the posix or pcntl extensions
This commit is contained in:
J. King 2021-07-03 10:23:24 -04:00
parent 3b51d4daea
commit 75e87f31a0
3 changed files with 20 additions and 0 deletions
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1
lib/AbstractException.php
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@ -14,6 +14,7 @@ abstract class AbstractException extends \Exception {
"Exception.arrayEmpty" => 10002,
"ExceptionType.strictFailure" => 10011,
"ExceptionType.typeUnknown" => 10012,
"Exception.extMissing" => 10021,
"Lang/Exception.defaultFileMissing" => 10101,
"Lang/Exception.fileMissing" => 10102,
"Lang/Exception.fileUnreadable" => 10103,

14
lib/Arsse.php
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@ -28,4 +28,18 @@ class Arsse {
static::$db = static::$db ?? new Database;
static::$user = static::$user ?? new User;
}
public static function checkExtensions(string ...$ext): void {
$missing = [];
foreach ($ext as $e) {
if (!extension_loaded($e)) {
$missing[] = $e;
}
}
if ($missing) {
$total = sizeof($missing);
$first = $missing[0];
throw new Exception("extMissing", ['first' => $first, 'total' => $total]);
}
}
}

5
locale/en.php
View file

@ -80,6 +80,11 @@ return [
}',
// indicates programming error
'Exception.JKingWeb/Arsse/ExceptionType.typeUnknown' => 'Normalization type {0} is not implemented',
'Exception.JKingWeb/Arsse/Exception.extMissing' => 'The "{first}" PHP extension {total, plural, offset:1
=0 {is}
=1 {and one other extension are}
other {and # other extensions are}
} not installed or not enabled.',
'Exception.JKingWeb/Arsse/Lang/Exception.defaultFileMissing' => 'Default language file "{0}" missing',
'Exception.JKingWeb/Arsse/Lang/Exception.fileMissing' => 'Language file "{0}" is not available',
'Exception.JKingWeb/Arsse/Lang/Exception.fileUnreadable' => 'Insufficient permissions to read language file "{0}"',