Answers for "check if a string is an integer php"

check if string is number or not php

$var_num = "1";
$var_str = "Hello World";

var_dump( is_numeric($var_num), is_numeric($var_str) );

/* 
Output -
 bool(true)
 bool(false)
*/

php check if variable is int

// Check if variable is int
$id = "1";

if(!intval($id)){
  throw new Exception("Not Int", 404);
}
else{
	// this variable is int
}