Posts byTechradiant

< 1 min read To create a QR code in JavaScript, you can use a library such as qrcodejs. Here’s an example of how to use the qrcodejs …

< 1 min read To create a file in PHP if it does not exist, you can use the fopen function with the x mode. This function tries …

< 1 min read To check if a string is a valid URL in PHP, you can use the filter_var function with the FILTER_VALIDATE_URL filter. This function returns …

< 1 min read To generate a random number in PHP, you can use the mt_rand function. This function generates a random integer in a given range. Here’s …

< 1 min read To generate a random string in PHP, you can use the random_bytes function to generate a random sequence of bytes, and then use the …

< 1 min read The ternary operator in PHP is a shorthand way of writing an if–else statement. It has the following syntax: Here’s an example of how …

< 1 min read In PHP, the implode function is used to join elements of an array into a single string. It takes two arguments: a string that …

< 1 min read To save an image from a URL to a local file in PHP, you can use the file_put_contents function in combination with the file_get_contents …

< 1 min read To remove duplicate values from an array in PHP, you can use the array_unique function. This function removes duplicate values from an array and …

< 1 min read To check if a key exists in a PHP array, you can use the array_key_exists function. This function returns a boolean value indicating whether …