how to convert text string into number in php code example

Example 1: php string to int

intval($string);

Example 2: Convert a String to a Number in PHP

phpCopy<?php  
$variable = "10";
$integer = (int)$variable;
echo "The variable $variable has converted to a number and its value is $integer.";  
echo "\n";

$variable = "8.1";
$float = (float)$variable;
echo "The variable $variable has converted to a number and its value is $float.";  
?>