What is PhpDig?
PhpDig is a PHP MySQL based
Web Spider & Search Engine.



curl_init — Initializes a cURL session.


resource curl_init([]);
string (optional): URL of resource to fetch


Valid cURL handle on success; FALSE on failure


curl_init() attempts to initialize a cURL session. If successful, a descriptor is returned that can be used in further operations on the session; otherwise, FALSE is returned.

If URL is given and is a valid URL, the cURL session will use it in subsequent operations as the resource with which to work. If no value is given for URL , the resource can be set later using curl_setopt() and the CURLOPT_URL option selector.


Example 187. Get the PHP web site home page

/* One method of connecting...*/
if(!$curld = curl_init("")) {
    echo "Could not connect to the specified resource";

/* Alternate method: */
if (!$curld = curl_init()) {
    echo "Could not initialize cURL library";
curl_setopt($curld, CURLOPT_URL, "");

PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at The authors of this book have elected not to choose any options under the OPL. This online book was obtained from and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.

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