cURL Module - Client for URL

PHP Modules Tutorials - Herong's Tutorial Examples

∟cURL Module - Client for URL

This chapter provides tutorial examples and notes on cURL module for making HTTP (and other protocol) requests. Topics include creating a cURL handle; sending network request; setting request options; making HTTP POST requests; getting transaction information and error.

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cURL Module and libcurl Library

curl_exec() - Execute cURL Sessions

CURLOPT_RETURNTRANSFER - Return URL Content

CURLOPT_HEADER - Include Response Header

CURLOPT_FOLLOWLOCATION - Follow Redirect Location

CURLOPT_VERBOSE - Print Debugging Messages

CURLOPT_POST - Send HTTP POST Request

curl_getinfo() - Get Transaction Info

curl_error() - Get Transaction Error

Takeaways:

cURL module allows you to make a HTTP request to a remote server or other protocol request.
$ch = curl_init($url) - Returns a cURL handle for the given URL.
curl_setopt($ch, $option, $value) - Sets a new value to a given cURL option.
$result = curl_exec($ch) - Executes a cURL session and returns result.
$info = curl_getinfo($ch) - Returns information about the last execution.
$error = curl_error($ch) - Returns the error message of the last execution.
CURLOPT_RETURNTRANSFER option for returning response content on curl_exec() call.
CURLOPT_HEADER option for including response header in the output.
CURLOPT_FOLLOWLOCATION option for following redirect locations.
CURLOPT_VERBOSE option for printing debugging messages.
CURLOPT_POST option for sending HTTP POST requests.

Table of Contents

About This Book

Introduction and Installation of PHP

Managing PHP Engine and Modules on macOS

Managing PHP Engine and Modules on CentOS

►cURL Module - Client for URL

DOM Module - Parsing HTML Documents

GD Module - Manipulating Images and Pictures

MySQLi Module - Accessing MySQL Server

OpenSSL Module - Cryptography and SSL/TLS Toolkit

PCRE Module - Perl Compatible Regular Expressions

SOAP Module - Creating and Calling Web Services

SOAP Module - Server Functions and Examples

Zip Module - Managing ZIP Archive Files

References

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