PHP Built In Functions | PHP Variable Functions

PHP Built In Functions

There are 4 types of php built in functions

1.       Var_dump(var_name) built in function : Is a built-in function of php used for getting the type of variable with content of variable.’

<?php

$x=10;

Var_dump($x);

Echo “<br>”;

$x=10.65;

Var_dump($x);

Echo “<br>”;

$x=”India” ;

Var_dump($x);

Echo “<br>”;

$x =true;

Var_dump($x);

Echo “<br>”;

?>

2.       Gettype(var_name) built in function   : is a built-in function of php used for getting the type of variable.

3.       Settype(var_name , New type) built in function : is a built-in function of php used for setting a new type to the variable.

4.       Unset(var_name) built in function : is a built-in function of php used for removing the content of variable.

<?php

$a=10;

$b=2.3;

$c=”peers”;

$d=true;

Echo gettype($a).”—“.gettype($b).”—“.gettype($c).”—“.gettype($d).”<br>”;

$x=”A12A”;

Settype($x , “integer”);

Echo $x.”—“.gettype($x).”<br>”;

$x=”india” ;

Echo gettype($x).”<br>”;

Unset($x);

Echo getype($x);

?>

PHP Built In Functions