PHP $ and $$ Variables
The $var (single dollar) is a normal variable with the name var that stores any value like string, integer, float, etc.
PHP Call By Value
PHP allows you to call function by value and reference both. In case of PHP call by value, actual
PHP Call By Reference
In case of PHP call by reference, actual value is modified if it is modified inside the function. In
PHP Default Argument Values Function
PHP allows you to define C++ style default argument values. In such case, if you don't pass any value
HTML br tag
HTML <br> tag or element is used to break line in a paragraph. It is generally used in poem
HTML Script Tag
HTML script tag is used to specify client-side script such as JavaScript. It facilitate you to place a script within
PHP Parameterized Function
PHP Parameterized functions are the functions with parameters. You can pass any number of parameters inside a function. These
Magic Constants
Magic constants are the predefined constants in PHP which get changed on the basis of their use. They start
HTML bold tag
HTML bold tag is represented by <b> tag. HTML <b> tag is used to display the written text in bold format.
