PHP code example of prewk / xml-string-streamer

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

prewk / xml-string-streamer example snippets

// Convenience method for creating a file streamer with the default parser
$streamer = Prewk\XmlStringStreamer::createStringWalkerParser("gigantic.xml");

while ($node = $streamer->getNode()) {
    // $node will be a string like this: "<customer><firstName>Jane</firstName><lastName>Doe</lastName></customer>"
    $simpleXmlNode = simplexml_load_string($node);
    echo (string)$simpleXmlNode->firstName;
}

use Prewk\XmlStringStreamer;
use Prewk\XmlStringStreamer\Stream;
use Prewk\XmlStringStreamer\Parser;

// Prepare our stream to be read with a 1kb buffer
$stream = new Stream\File("gigantic.xml", 1024);

// Construct the default parser (StringWalker)
$parser = new Parser\StringWalker();

// Create the streamer
$streamer = new XmlStringStreamer($parser, $stream);

// Iterate through the `<customer>` nodes
while ($node = $streamer->getNode()) {
    // $node will be a string like this: "<customer><firstName>Jane</firstName><lastName>Doe</lastName></customer>"
    $simpleXmlNode = simplexml_load_string($node);
    echo (string)$simpleXmlNode->firstName;
}

$streamer = Prewk\XmlStringStreamer::createUniqueNodeParser("file.xml", array("uniqueNode" => "customer"));

$CHUNK_SIZE = 1024;
$provider = new Prewk\XmlStringStreamer\Stream\File("large-xml-file.xml", $CHUNK_SIZE);

$CHUNK_SIZE = 1024;
$fsp = new Prewk\XmlStringStreamer\Stream\Stdin($CHUNK_SIZE);

use Prewk\XmlStringStreamer;
use Prewk\XmlStringStreamer\Parser;
use Prewk\XmlStringStreamer\Stream;

$options = array(
    "captureDepth" => 3
);

$parser = new Parser\StringWalker($options);

array(
    array("<?", "

array(
    array("<?", "

array(
    array("<!--", "-->"),
    array("<![CDATA[", "]]>")
),

use Prewk\XmlStringStreamer;
use Prewk\XmlStringStreamer\Parser;
use Prewk\XmlStringStreamer\Stream;

$options = array(
    "uniqueNode" => "TheNodeToCapture"
);

$parser = new Parser\UniqueNode($options);

use Prewk\XmlStringStreamer;
use Prewk\XmlStringStreamer\Stream\File;
use Prewk\XmlStringStreamer\Parser\StringWalker;

$file = "path/to/file.xml";

// Save the total file size
$totalSize = filesize($file);

// Construct the file stream
$stream = new File($file, 16384, function($chunk, $readBytes) use ($totalSize) {
    // This closure will be called every time the streamer requests a new chunk of data from the XML file
    echo "Progress: $readBytes / $totalSize\n";
});
// Construct the parser
$parser = new StringWalker;

// Construct the streamer
$streamer = new XmlStringStreamer($parser, $stream);

// Start parsing
while ($node = $streamer->getNode()) {
    // ....
}

use Prewk\XmlStringStreamer;
use Prewk\XmlStringStreamer\Stream\File;
use Prewk\XmlStringStreamer\Parser\StringWalker;

$file = "path/to/file.xml";

// Construct the file stream
$stream = new File($file, 16384);
// Construct the parser
$parser = new StringWalker(array(
    "extractContainer" => true, // Required option
));

// Construct the streamer
$streamer = new XmlStringStreamer($parser, $stream);

// Start parsing
while ($node = $streamer->getNode()) {
    // ....
}

// Get the containing XML
$containingXml = $parser->getExtractedContainer();

$xmlObj = simplexml_load_string($containingXml);
$rootElementName = $xmlObj->getName();
$rootElementFooAttribute = $xmlObj->attributes()->foo;