simplexml_load_file - PHP code example

The php Function SimpleXML_Load_File()

The php function simplexml_load_file() is an essential tool for developers who work with XML data. The function converts XML into a tree of PHP objects, making it easier to manipulate and access XML elements and their attributes. The function accepts a file or string input and returns a SimpleXMLElement object that represents the XML data. The SimpleXML functions in PHP are well documented and easy to use, allowing you to easily write, parse, and search XML data.

XML (Extensible Markup Language) is a widely used language for sharing data on the Internet. The php function simplexml_load_file() allows you to quickly load an XML document into a variable and convert it into a tree of PHP objects. The SimpleXMLElement objects are then easily manipulated and searched using XPath queries.

The simplexml_load_file() function also offers two variants: simplexml_load_string() and simplexml_load_xml(). The former accepts a file name, while the latter accepts a string input. The function returns a SimpleXMLElement object for each XML element that it reads.

The php function simplexml_load_file() can be used in conjunction with the SimpleXMLElement::children() method to convert DOM elements into SimpleXMLElement objects. This allows for a more clean and efficient way to access namespaced elements as it removes the need to hardcode the namespace URI. The children() method also accepts a parameter for an optional namespace prefix and a boolean that determines whether the namespace URI should be treated as a prefix or as a URI. This is a very useful function that can be used in all versions of PHP 5.

simplexml_load_file example

$allowModifications = (bool) $options['allowModifications'];
            }
            if (isset($options['skipExtends'])) {
                $this->_skipExtends = (bool) $options['skipExtends'];
            }
        }

        set_error_handler(array($this, '_loadFileErrorHandler')); // Warnings and errors are suppressed         if (strstr($xml, '<?xml')) {
            $config = simplexml_load_string($xml);
        } else {
            $config = simplexml_load_file($xml);
        }

        restore_error_handler();
        // Check if there was a error while loading file         if ($this->_loadFileErrorStr !== null) {
            throw new Zend_Config_Exception($this->_loadFileErrorStr);
        }

        if ($section === null) {
            $dataArray = array();
            foreach ($config as $sectionName => $sectionData) {

return new RequirementsPathResult($result);
    }

    /** * @param string $sourceFile * * @return string[] */
    private function readList($sourceFile)
    {
        $xml = simplexml_load_file($sourceFile);
        $list = [];
        foreach ($xml->files->file as $file) {
            $list[] = (string) $file->name;
        }

        return $list;
    }

    /** * Checks a requirement * * @param string $name * * @return bool */

return $result;
    }

    /** * Returns the check list * * @return SimpleXMLElement[] */
    private function runChecks()
    {
        $xmlObject = simplexml_load_file($this->sourceFile);

        if (!\is_object($xmlObject->requirements)) {
            throw new RuntimeException('Requirements XML file is not valid.');
        }

        foreach ($xmlObject->requirement as $requirement) {
            $name = (string) $requirement->name;
            $value = $this->getRuntimeValue($name);
            $requirement->result = $this->compare(
                $name,
                $value,

return self::check(\dirname($file));
    }

    /** * @param string $xmlPath * * @return array */
    public static function getPaths($xmlPath)
    {
        $paths = [];
        $xml = simplexml_load_file($xmlPath);

        foreach ($xml->files->file as $entry) {
            $paths[] = (string) $entry->name;
        }

        return $paths;
    }

    /** * @param array $paths * @param string $basePath * * @return array */

return \dirname($vendorDir);
    }

    /** * @return string[] */
    private function getCoveredFiles(string $phpunitPath): array
    {
        static::assertFileExists($phpunitPath);

        $xml = simplexml_load_file($phpunitPath);
        static::assertNotFalse($xml);
        $corePhpUnit = json_decode((string) json_encode($xml), true);

        static::assertNotEmpty($corePhpUnit['coverage']['include']['file'] ?? []);

        return array_filter(array_map('realpath', $corePhpUnit['coverage']['include']['file']));
    }
}