var_dump

Definition and usage

var_dump() function dumps information about one or more variables. This information holds the type and value of the variable.

Example

Dump information about different variables:

 <?php
$a = 32 ;
echo var_dump ( $a ) . "<br>" ;

$b = "Hello world!" ;
echo var_dump ( $b ) . "<br>" ;

$c = 32.5 ;
echo var_dump ( $c ) . "<br>" ;

$d = array ( "red" , "green" , "blue" ) ;
echo var_dump ( $d ) . "<br>" ;

$e = array ( 32 , "Hello world!" , 32.5 , array ( "red" , "green" , "blue" ) ) ;
echo var_dump ( $e ) . "<br>" ;

// Dump two variables
echo var_dump ( $a , $b ) . "<br>" ;
?>

Try it yourself

grammar

 var_dump ( var1 , var2 , ... ) ;