want a variable from xml file

this is an xml file by going to a browser and typing in a url and apiKey=xxxx

<note>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</note>

how can I just echo $heading=Jani
LVL 1
rgb192Asked:
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Amar BardoliwalaCommented:
Hello

I was able to display nodes using following code.

 
<?php
error_reporting(E_ALL);


$xml = "<note>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</note>";

//Create object of SimpleXML
$obj = SimpleXML_Load_String($xml);

print "to = " . (string)$obj->to;
print "<br/>from = " . (string)$obj->from;
print "<br/>heading = " . (string)$obj->heading;
print "<br/>body = " . (string)$obj->body;

?>

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Please look at above code to see if it helps you.

Thank You.

Amar Bardoliwala
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bplantierCommented:
Are you willing to parse an XML file with PHP to get some variables?
If that's what you want to do, you need to use some XML API to parse the xml file.
For exemple you can check :
http://www.php.net/manual/en/book.dom.php
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eriksmtkaCommented:
PHP is case sensitive... you need to replace line 13 with:

$obj = simplexml_load_string($xml);

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..but otherwise, I'd say that's your best bet!
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rgb192Author Commented:
your code sample works using $xml variable
but what if the code is coming from another website.

how can I capture that data
0
 
Amar BardoliwalaCommented:
Hello rgb192,

you did not tell that you want to capture data from another site...

But you can capture data using CURL for php

Following are some links from which you will get help for curl

http://php.net/manual/en/curl.examples.php

http://www.jonasjohn.de/snippets/php/curl-example.htm

Hope this will you.

Thank You.

Amar Bardoliwala
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rgb192Author Commented:
http://www.jonasjohn.de/snippets/php/curl-example.htm

how can I call this output $xml
function curl_download($Url){
 
    // is cURL installed yet?
    if (!function_exists('curl_init')){
        die('Sorry cURL is not installed!');
    }
 
    // OK cool - then let's create a new cURL resource handle
    $ch = curl_init();
 
    // Now set some options (most are optional)
 
    // Set URL to download
    curl_setopt($ch, CURLOPT_URL, $Url);
 
    // Set a referer
    curl_setopt($ch, CURLOPT_REFERER, "http://www.example.org/yay.htm");
 
    // User agent
    curl_setopt($ch, CURLOPT_USERAGENT, "MozillaXYZ/1.0");
 
    // Include header in result? (0 = yes, 1 = no)
    curl_setopt($ch, CURLOPT_HEADER, 0);
 
    // Should cURL return or print out the data? (true = return, false = print)
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 
    // Timeout in seconds
    curl_setopt($ch, CURLOPT_TIMEOUT, 10);
 
    // Download the given URL, and return output
    $output = curl_exec($ch);
 
    // Close the cURL resource, and free system resources
    curl_close($ch);
 
    return $output;
}

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Amar BardoliwalaCommented:
Hello

you need to assign $output to $xml as following.

$xml = curl_download($Url);

Hope this will help you.

Thank You.

Amar Bardoliwala.



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Ray PaseurCommented:
Regarding this: PHP is case sensitive...
True for variables.
$x != $X

False for class and function names.
SimpleXML_Load_String() == simplexml_LOAD_stRinG()

The script at ID:37379877 works perfectly.  I copied it, installed it and tested it here.
http://www.laprbass.com/RAY_temp_amar.php

Outputs:
to = Tove
from = Jani
heading = Reminder
body = Don't forget me this weekend!

Best regards to all, ~Ray
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rgb192Author Commented:
this works for the question, thank you
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