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Home >> Variables >> Is a Variable a Number This code simply shows you how to implement a quick if statement to find out if a string is a number or not
<% ' declare and set two variables dim strOne, strTwo strOne = "5132" strTwo = "Tommy" ' is strOne a number? if (isnumeric(strOne)) then ' this will execute, because ' the string "5132" is a number end if if (isnumeric(strTwo)) then ' this will not execute, "Tommy" ' is not a number end if %> What is ASP?
<?php // set two variables $strOne = "5132"; $strTwo = "Tommy"; // is strOne a number? if (is_numeric($strOne)) { // this will execute, because // the string "5132" is a number } if (is_numeric($strTwo)) { // this will not execute, "Tommy" // is not a number } ?> What is PHP?