php if number is whole code example
Example 1: php is variable a number
if(is_numeric($what_am_i)){
//true
}
Example 2: php check if input is int
$a = 5; //returns true
$a = "5"; //returns false
$a = 5.3; //returns false
is_int($a);
if(is_numeric($what_am_i)){
//true
}
$a = 5; //returns true
$a = "5"; //returns false
$a = 5.3; //returns false
is_int($a);