CodeIgniter 4 Interview Questions

Implode(): Using this method we can convert an array into string example  <?php $array = array('lastname', 'email', 'phone'); $comma_separated = implode(",", $array);echo $comma_separated; // lastname,email,phone ?> explode(): Using this method we can convert... read more

to re-populate the input value use set_value('input_name') method, like below <input type="text" name="username" class='form-control' value='<?= set_value('username')?>'> read more

isset(): using this method we can check whether the variable is set with value or              not. If variable is set... read more

SELECT  MAX(salary) AS salary   FROM emp WHERE salary < (SELECT MAX(salary) FROM emp); read more

-Create a folder in project root directory or app directory. I am creating a folder with name Includes in App folder:(C:xampp/htdocs/ci4/App/Includes) -Create... read more

A Query String is a combination of key and values pairs of data, which is always appended in URL followed... read more

include(): Using this method we can include an external file into the current file. If the specified file is not... read more

array_search(): Using this method we can search for an element in an array. If element founds, this method will... read more

An array is a collection of values with different data types An array can be created using the array() language construct.... read more

Basically DELETE TABLE is logged operation and every row deleted is logged. Therefore the process is usually slow. TRUNCATE TABLE... read more