convert string to number in php code example

Example 1: php string to int

intval($string);

Example 2: convert string to int php

s = "123";
echo intval(s); // 123

s = "hello";
echo intval(s);	//0

Example 3: cast string to int php

$num = "3.14"; 
$int = (int)$num;//string to int
$float = (float)$num;//string to float

Example 4: php to int

$num = "3.14";
$int = (int)$num;

Example 5: Convert a String to a Number in PHP

phpCopy<?php  
$variable = "53";
$integer = intval($variable);
echo "The variable $variable has converted to a number and its value is $integer.";  
echo "\n";

$variable = "25.3";
$float = floatval($variable);
echo "The variable $variable has converted to a number and its value is $float.";  
?>

Example 6: transforming string to integer in php

Using intval() and floatval() Function. The intval() and floatval() functions can also be used to convert the string into its corresponding integer and float values respectively. echo floatval ( $num );