How to convert numbers to characters in php?

How to convert numbers to characters in php: 1. Use forced data type conversion to convert the number type to a string type; 2. Use the strval() function to convert the number to a string and return the string type value.

Method 1: Use forced data type conversion

(string): Convert to string

Example:

<?php
header("Content-Type: text/html; charset=utf-8");
$num1=3.14;   
$num2=(string)$num1;   
var_dump($num1); //输出float 3.14   
var_dump($num2); //输出string &#39;3.14&#39; (length=4)
?>

Method 2: Use the strval() function

strval() — Get the string value of the variable.

Example:

<?php
header("Content-Type: text/html; charset=utf-8");
$num1=3.14;   
$num2=strval($num1);   
var_dump($num1); 
var_dump($num2); 
?>

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