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writeElementNS

Note

This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information.

Writes a full namespaced element tag

public function writeElementNS(
  string $prefix,
  string $name,
  string $uri,
  string $content = NULL,
): bool;

Parameters​

  • string $prefix - The namespace prefix.
  • string $name - The element name.
  • string $uri - The namespace URI.
  • string $content = NULL - The element contents.

Returns​

  • bool - - Returns TRUE on success or FALSE on failure.