wp-includes/IXR/class-IXR-value.php:8IXR_Value
$datapublic$typepublicclass IXR_Value { var $data; var $type; /** * PHP5 constructor. */ function __construct( $data, $type = false ) { $this->data = $data; if (!$type) { $type = $this->calculateType(); } $this->type = $type; if ($type == 'struct') { // Turn all the values in the array in to new IXR_Value objects foreach ($this->data as $key => $value) { $this->data[$key] = new IXR_Value($value); } } if ($type == 'array') { for ($i = 0, $j = count($this->data); $i < $j; $i++) { $this->data[$i] = new IXR_Value($this->data[$i]); } } } /** * PHP4 constructor. */ public function IXR_Value( $data, $type = false ) { self::__construct( $data, $type ); } function calculateType() { if ($this->data === true || $this->data === false) { return 'boolean'; } if (is_int($this->data)) { return 'int'; } if (is_float($this->data)) { return 'double'; } // Deal with IXR object types base64 and date if (is_object($this->data) && is_a($this->data, 'IXR_Date')) { return 'date'; } if (is_object($this->data) && is_a($this->data, 'IXR_Base64')) { return 'base64'; } // If it is a normal PHP object convert it in to a struct if (is_object($this->data)) { $this->data = get_object_vars($this->data); return 'struct'; } if (!is_array($this->data)) { return 'string'; } // We have an array - is it an array or a struct? if ($this->isStruct($this->data)) { return 'struct'; } else { return 'array'; } } function getXml() { // Return XML for this value switch ($this->type) { case 'boolean': return '<boolean>'.(($this->data) ? '1' : '0').'</boolean>'; break; case 'int': return '<int>'.$this->data.'</int>';Introduced in 1.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/IXR/class-IXR-value.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.