Runtime Configuration

The behaviour of these functions is affected by settings in php.ini.

cURL Configuration Options
Name Default Changeable Changelog
curl.cainfo NULL INI_SYSTEM  
For further details and definitions of the INI_* modes, see the Where a configuration setting may be set.

Here's a short explanation of the configuration directives.

curl.cainfo string

A default value for the CURLOPT_CAINFO option. This is required to be an absolute path.

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User Contributed Notes 4 notes

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1
knuklus at gmail dot com
3 years ago
cURL error 60: SSL certificate problem: unable to get local issuer certificate

This problem can occur when developing locally on windows. I am using windows 10 (x64)

In order to fix the error, I downloaded cacert.pem from https://curl.haxx.se/docs/caextract.html

Set the following value for in php.ini

curl.cainfo = "C: \ php-8.0.7 \ extras \ ssl \ cacert.pem"
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ajith at pavanathara dot com
4 years ago
cURL error 60: SSL certificate problem: unable to get local issuer certificate

This local development error comes when curl.cainfo variable is not set correctly.

I faced this issue in PHP Version 7.3.1

In order to fix the error, I downloaded cacert.pem from https://curl.haxx.se/docs/caextract.html

Set the following paths in php.ini

curl.cainfo="D:\wamp64\bin\php\php7.3.1\extras\ssl\cacert.pem"
openssl.cafile="D:\wamp64\bin\php\php7.3.1\extras\ssl\cacert.pem"

Even after adding the paths and restart Apache, Inside phpinfo(), both the paths were showing blank.

The error will go only if we set via php code of the project.

Example code worked for me :-

$guzzle = new \GuzzleHttp\Client(['verify' => 'D:\wamp64\bin\php\php7.3.1\extras\ssl\cacert.pem']);
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ajith at pavanathara dot com
4 years ago
I was editing wrong php.ini file in last comment.

Even though loaded configuration path was showing as "D:\wamp64\bin\apache\apache2.4.37\bin\php.ini" inside phpinfo() of WAMP Server, It was actually loading "D:\wamp64\bin\apache\apache2.4.37\bin\phpForApache.ini"

Once I set both the variables inside phpForApache.ini, details are displayed in phpinfo() and error has gone without extra coding line.
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ASchmidt at Anamera dot net
5 years ago
As of PHP 7.2 (Win 64) this directive, will NOT show in the phpinfo() even though it's set.

(In comparison, an openssl.cafile directive will show, if it's set to the exact same path).
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