Error handling is the process of catching errors from the program and then taking appropriate action. Before proceeding for error handling you should get to know how many types of errors occurred in PHP. Notices: These are non-critical errors that occurred while executing a script – for example, accessing a variable that has not yet…
Read MoreString functions are the most important functions frequently used in PHP. String is the sequence of characters, like “Let’s learn String functions”. There is no installation required to use string function. Example <?php $name = “Hirdesh Bhardwaj”; print($name); ?> String Concatenation Operator To concatenate two string variables together, we use the dot (.) operator −…
Read MoreWe need to create an HTML form that allows you to choose the file to be uploaded. Note: please make sure you have form method type is post and enctype=”mutipart/form-data” to to handle file uploading process successfully. HTML Code <form enctype=”multipart/form-data” action=”process.php” method=”POST”> Choose File : <input name=”myfile” type=”file” /> <input type=”submit” value=”Upload” /> </form>…
Read MoreDifference Between while and do…while Loop: With a while loop, the condition to be evaluated is tested at the beginning of each loop statement, so if the conditional expression evaluates to false, the loop will never be executed. With a do-while loop, on the other hand, the loop will always be executed once, even if…
Read MoreA While loop is used when we have to repeat a set of statements as long as the condition is false. It could be the best where number of repetition is not known earlier or in advance. It can be explain in plain English as “Keep doing something until a condition is true”. Syntax: while…
Read MoreIf –else statements: if…else statement – executes set of codes if a condition is true and another code if the condition is false Within a statement, if a certain condition is true, then something happens. Otherwise, something else happens. We can continue adding else statements as many times as we need. So, within PHP statement,…
Read MorePHP for loop can be used to traverse set of code for the specified number of times. For example if you want to repeat something ten or twenty times. It should be used if number of iteration is known otherwise I recommend you to use while loop. Syntax: for (Initialization; Condition; Progressive) { //set of…
Read MoreWe already learned about variables, but there are some Readymade or predefined keywords in PHP that can be used without you having to create them first. Predefined or Superglobals variables are used to provide information from and about the web server, the web browser, and the user. There are several types of Super Global Variables:-…
Read MoreAn array is a data structure that stores similar type of values in a common variable. Arrays are also called homogeneous data type. For example if you want to store 50 numbers then instead of defining variables it is easy to define an array with size of 50. In PHP, the array() function is used…
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