wp-includes/php-ai-client/src/Providers/Http/Collections/HeadersCollection.php:45Gets a specific header value.
$namestringWordPress\AiClient\Providers\Http\Collections\list<string>|null public function get(string $name): ?array { $lowerName = strtolower($name); if (!isset($this->headersMap[$lowerName])) { return null; } $actualName = $this->headersMap[$lowerName]; return $this->headers[$actualName]; }Introduced in 0.1.0. Unchanged from 7.0.4 through 7.1.0.
Signature, return type and hooks compared across 2 parsed releases.
src/wp-includes/php-ai-client/src/Providers/Http/Collections/HeadersCollection.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.