How-to articles, tricks, and solutions about PHP

To get data posted between two dates in PHP, you can use a SQL query with a WHERE clause and the BETWEEN operator.

In PHP, you can use the scandir() function to get the names of all files in a directory.

In PHP, you can use the file_get_contents() function to retrieve the HTML code of a website, and then use regular expressions or a DOM parsing library to extract the title and meta tags.

You can use the strtotime() function in PHP to convert a Unix timestamp to the beginning and end of that day.

In PHP, you can group an array of arrays (subarrays) by the value of a specific key in each subarray using the array_reduce() function.

In Guzzle 6, the json() method for parsing JSON responses has been removed.

If you are seeing this error message in PHP, it may be caused by a mismatch between the version of the PHP client library that you are using and the version of the API that it is trying to access.

The characters "\r" (carriage return), "\t" (tab), and "\n" (newline) are all special characters used in strings in the PHP programming language.

In PHP, you can use the "in_array" function to check if an element exists in an array.

You can use the mysqli_num_rows() function to count the number of rows that a MySQL query returned in PHP.

You can use the $_SERVER['HTTP_HOST'] variable to detect if the user is on localhost in PHP.

You can disable notices and warnings in PHP by adding the following line to your .htaccess file:

To display a user's profile picture using the Facebook Graph API in PHP, you can make a GET request to the /{user-id}/picture endpoint.

In MySQL, you can use the "IF EXISTS" clause when creating or dropping an index to prevent an error from occurring if the index does not exist.

To enable the MySQLi extension in PHP 7, you need to follow these steps.

There are a few ways to find out the version of PHP running on a specific domain name.

In PHP, array keys are typically automatically cast to integers if they are numeric, and to strings if they are not.

You can use the $_SERVER['REMOTE_ADDR'] variable in PHP to get the IP address of a connected client.

The file_get_contents() function in PHP is used to read a file and return its contents as a string.

There are several ways to prevent SQL injection attacks in PHP.

In PHP, you can use a foreach loop to iterate through an array and print each value.

To URL encode a string in PHP, you can use the urlencode function.

To remove "public/index.php" from the URL in a Laravel application, you can use the built-in PHP web server or set up a web server with Apache or Nginx.

There are several ways to remove a portion of a string in PHP.

The set_magic_quotes_runtime function has been deprecated since PHP 5.3 and removed in PHP 7.0.