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What is a correct way to add a comment in PHP?
There are many ways to comment in PHP, all of them valid: /* Classic C style, which allows you to comment blocks rather than single lines */ // C++ Style, which remarks the remainder of a single line # bash style, which also is a rest-of-the-line comment
What is the second letter of the first word of the initial meaning of PHP?
The correct answer is: e
How do you sort variable in ascending or descending order both in php?
Assuming that the values are stored in an array, you can use the php function sort($array) to sort ascending, and rsort to sort descending. The following link gives a table that lists all of the built in PHP sort functions: http://php.net/manual/en/array.sorting.php
How do you sort array in php without use of sort function?
$arr=array(2,5,4,6,7,8,1); for($i=0;$i<count($arr);$i++) { for($j=$i;$j<count($arr);$j++) { if($arr[$i] > $arr[$j]) { $temp=$arr[$i]; $arr[$i]=$arr[$j]; $arr[$j]=$temp; } } }
Php scripts are surrounded by delimiters which?
Usually <?php ... ?> or <? ... ?>
Write down a PHP code to add a session variable?
The preferred way is to simply alter the session superglobal. <?php $_SESSION['variable'] = "value"; ?>
How do you pass a variable by value in php?
In the declaration of the receiving function, you add an ampersand. <?php function myWayCoolFunction( &$params) {.....} $x = array('1','2','3'); myWayCoolFunction($x) ?>
How to display a variable in PHP using echo or print statements?
displaying a variable in php using echo statement? <?php $name="ram"; //declaring and defining the variable echo "$name"; //printing the variable using echo command ?>
How do you do the pass the variable value to the query in same php page?
To pass PHP Variable value in Jquery simpley echo that variable : Eg <script> var jQueryVariable=<?php echo $anyVariable?> </script>
How do you retain a variable value in PHP after any change?
Simply reassign the value. If you have a variable $x, and you add 1 to it, you can store the value by stating $x = $x+1;
How can you declare the variable in PHP?
Variables in PHP do not need to be declared like some languages (e.g. JavaScript). This is all that needs to be done to assign a variable: $variable = "Value";
How do you represent a variable in PHP?
Variables in php begin with $ and are declared by the user. $str1 = "wiki"; would store "wiki" into the variable $str1
How do you equate a php variable to a javascript variable?
Ideal thing would be to retrieve the value from PHP using AJAX and then assigning it to a java script variable. Thereafter compare it to the java script variable that is already present.
What are PHP packages?
PHP packages are like modules you can add to PHP to add functionability. Adding new packages will allow you do do new things in your PHP scripts.
What is the correct way to add comment in PHP?
// For single line comments /* Your comments here */ For multi-line comments
What are rules used in naming php variable?
Well, firstly, all PHP variable names begin with the dollar sign. After that...PHP variable names must begin with either a letter or an underscore ( _ )PHP variable names can only contain letters, numbers, and underscores.A variable cannot contain spaces. Therefore variable names using more than one word should be separated using an underscore or camel cased. e.g. $multiple_word_variable_name OR $multipleWordVariableName.
How do you clear a variable in PHP?
You can unset a variable in PHP by setting it to NULL. You can set a variable to NULL by declaring it normally, or using the function "unset()". Both methods are acceptable, and accomplish the same thing. Examples of both: ---- $variable = NULL; ---- unset($variable); ----
