Code works in PHP 5.3.2. In PHP 5.2.17 get Invalid argument supplied for foreach()
I am using this code:-
<?php // Load and parse the XML document
$rss = simplexml_load_file('http://partners.userland.com/nytRss/nytHomepage.xml');
$title = $rss->channel->title;
?>
<html xml:lang="en" lang="en">
<head>
<title><?php echo $title; ?></title>
</head>
<body>
<h1><?php echo $title; ?></h1>
<?php
// Here we'll put a loop to include each开发者_JAVA百科 item's title and description
foreach ($rss->channel->item as $item) {
echo "<h2><a href='" . $item->link . "'>" . $item->title . "</a></h2>";
echo "<p>" . $item->description . "</p>";
}
?>
</body>
</html>
Which I got from this site www.ibm.com/developerworks/library/x-simplexml.html
I have one puzzling issue.
When I run the code on my development server it works with no problem.
When I run it on my web host server I get this error report:-
Warning: Invalid argument supplied for foreach() in /web1/............../test3.php on line 15
My development server is a TurnKey Linux LAMP server with PHP 5.3.2.
My web host has PHP 5.2.17 running on Linux.
Looking up the error message on the web seems to indicate that the data read from the XML feed is not being treated as an array by PHP 5.2.17.
The solutions on here under 'Invalid argument....foreach()' that I have tried do not resolve the issue.
Any ideas as to how to get around this?
It looks as though Torstein's instincts are 'on the button'; my webhost seems to be blocking downloading files from the internet.
I used this code segment to try to load the distant file to a local copy:-
if(!@copy('http://partners.userland.com/nytRss/nytHomepage.xml','./buffer.xml'))
The resulting file buffer.xml contained this:-
The URL you requested has been blocked. URL = partners.userland.com/nytRss/nytHomepage.xml
This is not specific to this url, I get the same on a BBC newsfeed url.
So, indications are that it is not a PHP problem!
I have raised the issue with my webhost provider.
One thing this problem has reminded me of is that the PHP error message & line number may be far removed from the actual problem!
Thanks to Torstein, mario & GusDe Cool for helping me get my head around this problem.
BillP
It looks like your webhost has disabled opening of files on the internet.
I'm not sure how simplexml_load_file() works, but if you run phpinfo() on the website and options like allow_url_fopen and allow_url_include are disabled, thats a good indication.
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