Sets a single HTTP header.

Parameters

$keystringrequired

Header name.

$valuestringrequired

Header value.

$replacebooloptional

Whether to replace an existing header of the same name.

Default:true

Source

public function header( $key, $value, $replace = true ) {
	if ( $replace || ! isset( $this->headers[ $key ] ) ) {
		$this->headers[ $key ] = $value;
	} else {
		$this->headers[ $key ] .= ', ' . $value;
	}
}

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