Well, firstly, all PHP variable names begin with the dollar sign. After that...
The money sine ($) denotes a variable in PHP; for example: $var = 'foobar'; It can also be used to reference an array, object, any of the othe typical things that can be assigned to a variable.
PHP++ is an object-oriented version of the PHP programming language. ++ is used in programming to increment a variable by one so it means an improved version of PHP.
displaying a variable in php using echo statement? <?php $name="ram"; //declaring and defining the variable echo "$name"; //printing the variable using echo command ?>
To pass PHP Variable value in Jquery simpley echo that variable : Eg <script> var jQueryVariable=<?php echo $anyVariable?> </script>
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";
Variables in php begin with $ and are declared by the user. $str1 = "wiki"; would store "wiki" into the variable $str1
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.
The preferred way is to simply alter the session superglobal. <?php $_SESSION['variable'] = "value"; ?>
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); ----
The PHP foreach construct is used to iterate over arrays. This is done in the field of mathematics. It will issue errors when one tries to use it as a variable instead of arrays and objects.
with just plain HTML its .HTML, but if you want to use a server side language like php it will be .php
Its function naming and parameter order/return values are inconsistent