Magento ERR (3): Warning: Invalid argument supplied for foreach() in /home/onyxclot/public_html/shell/abstract.php on line 144

Question

I have checked my System.log to find im getting the above error, the below is the code from line 144, would any body be able to advise on how to resolve.

    foreach ($_SERVER['argv'] as $arg) {
        $match = array();
        if (preg_match('#^--([\w\d_-]{1,})$#', $arg, $match) || preg_match('#^-([\w\d_]{1,})$#', $arg, $match)) {
            $current = $match[1];
            $this->_args[$current] = true;
        } else {
            if ($current) {
                $this->_args[$current] = $arg;
            } else if (preg_match('#^([\w\d_]{1,})$#', $arg, $match)) {
                $this->_args[$match[1]] = true;

other errors include

2016-12-23T19:30:02+00:00 ERR (3): Warning: Invalid argument supplied for foreach() in /home/onyxclot/public_html/shell/abstract.php on line 144

2016-12-23T19:35:03+00:00 ERR (3): Warning: strpos(): Empty needle in /home/onyxclot/public_html/lib/Zend/Controller/Request/Http.php on line 508

2016-12-23T19:35:03+00:00 ERR (3): Warning: strpos(): Empty needle in /home/onyxclot/public_html/lib/Zend/Controller/Request/Http.php on line 514

2016-12-23T19:35:03+00:00 ERR (3): Warning: session_start(): Cannot send session cookie - headers already sent in /home/onyxclot/public_html/app/code/core/Mage/Core/Model/Session/Abstract/Varien.php on line 133

2016-12-23T19:35:03+00:00 ERR (3): Warning: session_start(): Cannot send session cache limiter - headers already sent in /home/onyxclot/public_html/app/code/core/Mage/Core/Model/Session/Abstract/Varien.php on line 133

Answer 1

Invalid argument supplied for foreach() Error arises due to empty or a non array so I suggest you check

$_SERVER['argv']

You add some condition to prevent this