I'm requesting information from a remote server which is sent back to me as XML, I use SimpleXML to parse it. However I need to load multiple URLs, can I do so through one file, or do I need to have a different file for each request?
My code looks something like this
$url = 'http://...';
$xml = simplexml_load_file($url);
Thanks!
You can create a loop that deals with the multiple urls...
$all_urls = array('http://url1', 'http://url2', 'http://url3');
foreach ($all_urls as $url) {
$xml = simplexml_load_file($url);
}
Create a function and place '$xml = simplexml_load_file($url)' into it. Then you can call the function from within a LOOP. That's the only way I am able to get it to call simplexml_load_file($url) more than once within a loop.
$all_urls = array('url1', 'url2', 'url3');
foreach ($all_urls as $url) {
importXml($url);
}
function importXml($url){
$xml = simplexml_load_file($url);
//Do stuff...
}
Related
I'm having an issue with php file_get_content(), I have a txt file with links where I created a foreach loop that display multiple links in the same webpage but it's not working, please take a look at the code:
<?php
$urls = file("links.txt");
foreach($urls as $url) {
file_get_contents($url);
echo $url;
}
The content of links.txt is: https://www.google.com
Result: Only a String displaying "https://www.google.com"
Another code that works is :
$url1 = file_get_contents('https://google.com');
echo $url1;
This code returns google's homepage, but I need to use first method with loops to provide multiple links.
Any idea?
Here's one way of combining the things you already had implemented:
$urls = file("links.txt");
foreach($urls as $url) {
$contents = file_get_contents($url);
echo $contents;
}
Both file and file_get_contents are functions that return some value; what you had to do is putting return value of the latter one inside a variable, then outputting that variable with echo.
In fact, you didn't even need to use variable: this...
$urls = file("links.txt");
foreach($urls as $url) {
echo file_get_contents($url);
}
... should have been sufficient too.
I Have huge database and I have to compare same data with which I have stored in local storage as xml and i have to get it to the view something like below,
But belowfunction i get all data but can't view data because of loading time and can't laravel view render that much data at a time? Please help.
$files = File::allFiles(storage_path('xml'));
foreach($files as $filename1) {
$xml_file = file_get_contents($filename1, FILE_TEXT);
$xml = simplexml_load_string($xml_file, "SimpleXMLElement", LIBXML_NOCDATA);
$json = json_encode($xml);
$data[] = json_decode($json,TRUE);
}
//dd($data);
foreach($data as $val){
//dd($val);
foreach($val as $dan){
//dd($da);
foreach($dan as $da){
//dd($da);
$no[] = $da['JS_UniqueConsignRef'];
foreach($da['Order_Details'] as $n){
}
}
}
}
$shipment = Shipment::whereIn('JS_UniqueConsignRef',$no)->get()->chunk(1000);
foreach($shipment as $ship){}
//dd($ship);
return view('sitemap',compact('files','ship','shipment'));
}
You can use Queues to avoid this timeout issue - I highly advise you to look at the documentation for that.
One of the ways to implement is the following:
$xml_file = file_get_contents($filename1, FILE_TEXT);
dispatch(function () use ($xml_file) {
// Your logic here
});
If you need to pass back the information to the user, then you can use Job Events and a logic on your own to display it.
I'm trying to build a personal project of mine, however I'm a bit stuck when using the Simple HTML DOM class.
What I'd like to do is scrape a website and retrieve all the content, and it's inner html, that matches a certain class.
My code so far is:
<?php
error_reporting(E_ALL);
include_once("simple_html_dom.php");
//use curl to get html content
$url = 'http://www.peopleperhour.com/freelance-seo-jobs';
$html = file_get_html($url);
//Get all data inside the <div class="item-list">
foreach($html->find('div[class=item-list]') as $div) {
//get all div's inside "item-list"
foreach($div->find('div') as $d) {
//get the inner HTML
$data = $d->outertext;
}
}
print_r($data)
echo "END";
?>
All I get with this is a blank page with "END", nothing else outputted at all.
It seems your $data variable is being assigned a different value on each iteration. Try this instead:
$data = "";
foreach($html->find('div[class=item-list]') as $div) {
//get all divs inside "item-list"
foreach($div->find('div') as $d) {
//get the inner HTML
$data .= $d->outertext;
}
}
print_r($data)
I hope that helps.
I think, you may want something like this
$url = 'http://www.peopleperhour.com/freelance-seo-jobs';
$html = file_get_html($url);
foreach ($html->find('div.item-list div.item') as $div) {
echo $div . '<br />';
};
This will give you something like this (if you add the proper style sheet, it'll be displayed nicely)
I have a page test.php in which I have a list of names:
name1: 992345
name2: 332345
name3: 558645
name4: 434544
In another page test1.php?id=name2 and the result should be:
332345
I've tried this PHP code:
<?php
libxml_use_internal_errors(true);
$doc = new DOMDocument();
$doc->loadHTMLFile("/test.php");
$xpath = new DOMXpath($doc);
$elements = $xpath->query("//*#".$_GET["id"]."");
if (!is_null($elements)) {
foreach ($elements as $element) {
$nodes = $element->childNodes;
foreach ($nodes as $node) {
echo $node->nodeValue. "\n";
}
}
}
?>
I need to be able to change the name with GET PHP method in test1.pdp?id=name4
The result should be different now.
434544
is there another way, becose mine won't work?
Here is another way to do it.
<?php
libxml_use_internal_errors(true);
/* file function reads your text file into an array. */
$doc = file("test.php");
$id = $_GET["id"];
/* Show your array. You can remove this part after you
* are sure your text file is read correct.*/
echo "Seeking id: $id<br>";
echo "Elements:<pre>";
print_r($doc);
echo "</pre>";
/* this part is searching for the get variable. */
if (!is_null($doc)) {
foreach ($doc as $line) {
if(strpos($line,$id) !== false){
$search = $id.": ";
$replace = '';
echo str_replace($search, $replace, $line);
}
}
} else {
echo "No elements.";
}
?>
There is a completely different way to do this, using PHP combined with JavaScript (not sure if that's what you're after and if it can work with your app, but I'm going to write it). You can change your test.php to read the GET parameter (it can be POST as well, you'll see), and according to that, output only the desired value, probably from the associative array you have hard-coded in there. The JavaScript approach will be different and it would involve making a single AJAX call instead of DOM traversing using PHP.
So, in short: AJAX call to test.php, which then output the desired value based on the GET or POST parameter.
jQuery AJAX here; native JS tutorial here.
Just let me know if this won't work for your app, and I'll delete my answer.
I'm trying to read the xml information that tumblr provides to create a kind of news feed off the tumblr, but I'm very stuck.
<?php
$request_url = 'http://candybrie.tumblr.com/api/read?type=post&start=0&num=5&type=text';
$xml = simplexml_load_file($request_url);
if (!$xml)
{
exit('Failed to retrieve data.');
}
else
{
foreach ($xml->posts[0] AS $post)
{
$title = $post->{'regular-title'};
$post = $post->{'regular-body'};
$small_post = substr($post,0,320);
echo .$title.;
echo '<p>'.$small_post.'</p>';
}
}
?>
Which always breaks as soon as it tries to go through the nodes. So basically "tumblr->posts;....ect" is displayed on my html page.
I've tried saving the information as a local xml file. I've tried using different ways to create the simplexml object, like loading it as a string (probably a silly idea). I double checked that my webhosting was running PHP5. So basically, I'm stuck on why this wouldn't be working.
EDIT: Ok I tried changing from where I started (back to the original way it was, starting from tumblr was just another (actually silly) way to try to fix it. It still breaks right after the first ->, so displays "posts[0] AS $post....ect" on screen.
This is the first thing I've ever done in PHP so there might be something obvious that I should have set up beforehand or something. I don't know and couldn't find anything like that though.
This should work :
<?php
$request_url = 'http://candybrie.tumblr.com/api/read?type=post&start=0&num=5&type=text';
$xml = simplexml_load_file($request_url);
if ( !$xml ){
exit('Failed to retrieve data.');
}else{
foreach ( $xml->posts[0] AS $post){
$title = $post->{'regular-title'};
$post = $post->{'regular-body'};
$small_post = substr($post,0,320);
echo $title;
echo '<p>'.$small_post.'</p>';
echo '<hr>';
}
}
First thing in you code is that you used root element that should not be used.
<?php
$request_url = 'http://candybrie.tumblr.com/api/read?type=post&start=0&num=5&type=text';
$xml = simplexml_load_file($request_url);
if (!$xml)
{
exit('Failed to retrieve data.');
}
else
{
foreach ($xml->posts->post as $post)
{
$title = $post->{'regular-title'};
$post = $post->{'regular-body'};
$small_post = substr($post,0,320);
echo .$title.;
echo '<p>'.$small_post.'</p>';
}
}
?>
$xml->posts returns you the posts nodes, so if you want to iterate the post nodes you should try $xml->posts->post, which gives you the ability to iterate through the post nodes inside the first posts node.
Also as Needhi pointed out you shouldn't pass through the root node (tumblr), because $xml represents itself the root node. (So I fixed my answer).