is_int example

Example-is-int.php

<?php 

$numbers = array(
	12,
	1551,
	'21',
	'5115',
	'I am a string',
);

//Loop of the numbers arry
foreach( $numbers as $number ){
	
	//filter integers only, string numerics will not pass this check
	if( is_int( $number )){
		
		echo $number . ' is integer.' . '</br>'; 
	
	//else output the following sting	
	} else {
		
		echo $number . ' is not integer.' . '</br>'; 
	}
}

?> 

****Output****
12 is integer.
1551 is integer.
21 is not integer.
5115 is not integer.
I am a string is not integer.
**************