In default Apache/PHP configuration, the server sends HTTP Header with the information of which PHP version is running on the server. The HTTP response header “X-Powered-By” displays the version of PHP that is running on the server. This information can be used by hackers to try to exploit any vulnerabilities in the PHP version you […]
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I often come across situations in which I need to apply some function to every element of an array in PHP. For example, to sanitize the user input, function like htmlentities can be used. We can easily use this function on a single variable or a single dimension array by simply applying the function or
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Many times while using WordPress, if we try to use “$” to access jQuery, we get an error the “$ is not defined”. This happens because the jQuery library which is included in WordPress loads in “no conflict” mode. In the no conflict mode jQuery returns the control of “$”, and it is no longer
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In MySQL we can sort the results in ascending or descending order very easily by using the ORDER BY clause. However, there are times when you want to sort the results in a specific order which cannot be done using the ASC or DSC. FIELD() of MySQL ORDER BY clause can be used to sort
MySQL ordering results by specific field values Read More »
For my MySQL posts here is a sample MySQL table that I would be using for my examples. I would refer my posts back to this for table structure and sample data. Table structure: +———+————-+——+—–+———+——-+ | Field | Type | Null | Key | Default | Extra | +———+————-+——+—–+———+——-+ | name | varchar(20) | YES
Sample MySQL table Read More »