How can I generate a random number in PHP? Example code

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$random_number = rand(1, 10);
echo "Random number: " . $random_number;

How can I use the array_values function to get an array of values from an associative array in PHP? Example code:

How can I use the fopen and fgets functions to read a file line by line in PHP? Example code:

How can I use the is_writable function to check if a file is writable in PHP? Example code:

How can I format a date in PHP? Example code:

How can I convert a string to uppercase in PHP? Example code:

How can I use a foreach loop in PHP? Example code:

How can I use the fgetcsv function to read a CSV file into an array in PHP? Example code:

How can I read a file in PHP? Example code:

How can I use the array_diff function to get the elements in one array that are not in another array in PHP? Example code:

How can I use the array_walk function to apply a function to each element of an array in PHP? Example code:

How can I prevent SQL injection in PHP?

How can I use the array_filter function to filter an array based on a condition in PHP? Example code:

How can I use the array_splice function to remove and replace elements in an array in PHP? Example code:

How can I use the array_merge function to merge two or more arrays in PHP? Example code:

How can I use the array_slice function to get a portion of an array in PHP? Example code:

How can I check if a string ends with a certain substring in PHP? Example code:

How can I use an elseif statement in PHP? Example code:

How can I use a for loop in PHP? Example code:

How can I use the curl_init function to initialize a cURL session in PHP? Example code:

How can I use the array_unshift function to add an element to the beginning of an array in PHP? Example code:

How can I generate a random string in PHP? Example code:

How can I add days to a date in PHP? Example code:

How can I use the scandir function to get a list of files and directories in a directory in PHP? Example code:

How can I use the json_encode function to convert an array or object to a JSON string in PHP? Example code:

How can I use the array_search function to search for a value in an array and return its key in PHP? Example code:

How can I use a regular expression to replace a pattern in a string in PHP? Example code:

How can I retrieve data from a MySQL database using PHP? Example code

How can I upload a file using PHP? Example code

How can I use an if-else statement in PHP? Example code:

How can I use the array_reverse function to reverse the order of an array in PHP? Example code: