Method performHttpCall has 43 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

Function performHttpCall has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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Missing class import via use statement (line '94', column '31').

Open

        $this->payments = new Mollie_API_Resource_Payments($this);

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function make() {
    return new \stdClass();
}

Missing class import via use statement (line '165', column '23').

Open

            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');

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function make() {
    return new \stdClass();
}

Missing class import via use statement (line '95', column '30').

Open

        $this->issuers = new Mollie_API_Resource_Issuers($this);

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function make() {
    return new \stdClass();
}

Missing class import via use statement (line '96', column '30').

Open

        $this->methods = new Mollie_API_Resource_Methods($this);

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function make() {
    return new \stdClass();
}

Missing class import via use statement (line '131', column '23').

Open

            throw new Mollie_API_Exception("Invalid api key: \"{$api_key}\". An API key must start with \"test_\" or \"live_\".");

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function make() {
    return new \stdClass();
}

Missing class import via use statement (line '225', column '23').

Open

            throw new Mollie_API_Exception('Unable to communicate with Mollie ('.curl_errno($ch).'): '.curl_error($ch));

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function make() {
    return new \stdClass();
}

The method performHttpCall uses an else expression. Else clauses are basically not necessary and you can simplify the code by not using them.

Open

            } else {
                curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $http_method);
            }

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class Foo
{
    public function bar($flag)
    {
        if ($flag) {
            // one branch
        } else {
            // another branch
        }
    }
}

The parameter $http_body is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething($user_name) {
    }
}

The property $api_key is not named in camelCase.

Open

class Mollie_API_Client
{
    /**
     * Version of our client.
     */

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class ClassName {
    protected $property_name;
}

The parameter $api_key is not named in camelCase.

Open

    public function setApiKey($api_key)
    {
        if (!preg_match('!^(?:live|test)_\\w+$!', $api_key)) {
            throw new Mollie_API_Exception("Invalid api key: \"{$api_key}\". An API key must start with \"test_\" or \"live_\".");
        }

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class ClassName {
    public function doSomething($user_name) {
    }
}

Avoid variables with short names like $ch. Configured minimum length is 3.

Open

        $ch = curl_init($url);

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class Something {
    private $q = 15; // VIOLATION - Field
    public static function main( array $as ) { // VIOLATION - Formal
        $r = 20 + $this->q; // VIOLATION - Local
        for (int $i = 0; $i < 10; $i++) { // Not a Violation (inside FOR)
            $r += $this->q;
        }
    }
}

The class Mollie_API_Client is not named in CamelCase.

Open

class Mollie_API_Client
{
    /**
     * Version of our client.
     */

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class class_name {
}

The property $api_endpoint is not named in camelCase.

Open

class Mollie_API_Client
{
    /**
     * Version of our client.
     */

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class ClassName {
    protected $property_name;
}

The parameter $api_method is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething($user_name) {
    }
}

The parameter $http_method is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething($user_name) {
    }
}

The parameter $version_string is not named in camelCase.

Open

    public function addVersionString($version_string)
    {
        $this->versionStrings[] = str_replace([' ', "\t", "\n", "\r"], '-', $version_string);
    }

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class ClassName {
    public function doSomething($user_name) {
    }
}

The variable $api_key is not named in camelCase.

Open

    public function setApiKey($api_key)
    {
        if (!preg_match('!^(?:live|test)_\\w+$!', $api_key)) {
            throw new Mollie_API_Exception("Invalid api key: \"{$api_key}\". An API key must start with \"test_\" or \"live_\".");
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $curl_version is not named in camelCase.

Open

    public function __construct()
    {
        $this->payments = new Mollie_API_Resource_Payments($this);
        $this->issuers = new Mollie_API_Resource_Issuers($this);
        $this->methods = new Mollie_API_Resource_Methods($this);

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $request_headers is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $request_headers is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $user_agent is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $http_body is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $request_headers is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $http_method is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $request_headers is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $version_string is not named in camelCase.

Open

    public function addVersionString($version_string)
    {
        $this->versionStrings[] = str_replace([' ', "\t", "\n", "\r"], '-', $version_string);
    }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $curl_version is not named in camelCase.

Open

    public function __construct()
    {
        $this->payments = new Mollie_API_Resource_Payments($this);
        $this->issuers = new Mollie_API_Resource_Issuers($this);
        $this->methods = new Mollie_API_Resource_Methods($this);

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $curl_version is not named in camelCase.

Open

    public function __construct()
    {
        $this->payments = new Mollie_API_Resource_Payments($this);
        $this->issuers = new Mollie_API_Resource_Issuers($this);
        $this->methods = new Mollie_API_Resource_Methods($this);

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $api_method is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $user_agent is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $request_headers is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $api_key is not named in camelCase.

Open

    public function setApiKey($api_key)
    {
        if (!preg_match('!^(?:live|test)_\\w+$!', $api_key)) {
            throw new Mollie_API_Exception("Invalid api key: \"{$api_key}\". An API key must start with \"test_\" or \"live_\".");
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $request_headers is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $http_method is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $api_key is not named in camelCase.

Open

    public function setApiKey($api_key)
    {
        if (!preg_match('!^(?:live|test)_\\w+$!', $api_key)) {
            throw new Mollie_API_Exception("Invalid api key: \"{$api_key}\". An API key must start with \"test_\" or \"live_\".");
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $http_body is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}

The variable $request_headers is not named in camelCase.

Open

    public function performHttpCall($http_method, $api_method, $http_body = null)
    {
        if (empty($this->api_key)) {
            throw new Mollie_API_Exception('You have not set an api key. Please use setApiKey() to set the API key.');
        }

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class ClassName {
    public function doSomething() {
        $data_module = new DataModule();
    }
}