PHP -Building Blocks

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If –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, we first define the variable and then set up the conditional statements like this: Syntax: if (condition) code to be executed if condition is true; elseif (condition) code to be executed if condition is true; else code to be executed if condition is false; Example 1: <?php $avg = 50 if ($avg>60) { echo "You have a good score"; } else { echo "Score is less than average"; } ?> Example 2:  <?php $status =…
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Arrays in PHP

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An 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 to create an array Arrays can store numbers, strings and any object but their index will be represented by numbers. By default array index starts from zero. $x=array("laxmi","hirdesh","rahim","ashu","amit"); // To count number of elements stored in array x echo count($x); // To populate value from any specific index or position //echo $x[1]; // output – Hirdesh // To print all elements in array x - using for-each loop echo " <br>Names are :"; foreach ($x…
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PHP – Date / Time Functions

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When working in any programming language, dealing with dates and time is a simple task. That is, until time zones have to be supported. PHP's time () function gives you all the information that you need about the current date and time. It requires no arguments but returns an numeric value. If you will call to time() function which will return a set of numeric values which is difficult to understand. So to make it easy we can have time format along with the date() function. <?php $today = date("d/m/Y"); echo "Today is ".$today; ?> We can use different time format with separator like d-m-Y, d.m.Y and so on. Display Current Date and Time:  We can use the following characters to format the time string: <?php echo date("h:i:s") . "<br>";…
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