is_long

Definition and usage

is_long() function checks whether the variable is an integer type.

This function is an alias for is_int() .

In modern PHP code, it is recommended to use is_int() .

Example

Check whether the variable is an integer type:

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

$b = 0 ;
echo "b is " . is_long ( $b ) . "<br>" ;

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

$d = "32" ;
echo "d is " . is_long ( $d ) . "<br>" ;

$e = true ;
echo "e is " . is_long ( $e ) . "<br>" ;

$f = "null" ;
echo "f is " . is_long ( $f ) . "<br>" ;
?>

Try it yourself

grammar

 is_long ( variable ) ;