CODEWITHSUNDEEP
php
Kyle
Kyle

Reputation: 3042

Retrieve value from other site, in PHP?

Retrieving a value inside of a span id?

<span id="playerCount">157,767 people currently online</span>

How would I go about getting the value inside that ID? I thought of preg_match() but is that even safe?

Upvotes: 0

Views: 160

Answers (2)

Kieran Allen
Kieran Allen

Reputation: 942

With Regex this is possible and very easy. If it were something more advanced I'd instantly recommend using a tool created for parsing HTML (see DOMDocument)

<?php
// content containing: '<span id="playerCount">157,767 people currently online</span>';
$content = file_get_contents('http://example.com');
preg_match('/<span id="playerCount">([0-9,]+) people currently online<\/span>/', $content, $matches);
var_dump($matches);

Upvotes: 0

Maerlyn
Maerlyn

Reputation: 34107

Use php's DOM methods. The following code assumes you have allow_url_fopen enabled:

$domd = new DOMDocument();
libxml_use_internal_errors(true);
$domd->loadHTML(file_get_contents($url));
libxml_use_internal_errors(false);

$span = $domd->getElementById("playerCount");
$span_contents = $span->textContent;

Upvotes: 4

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