How to convert integer to string in php

How to convert an integer to a string in PHP: 1. Use forced type conversion and add the target type "(string)" enclosed in parentheses before the integer variable to be converted; 2. , use the strval() function, the syntax format is "strval (integer variable)", and the return value is a string type.

The operating environment of this tutorial: windows7 system, PHP8 version, DELL G3 computer

php will convert the integer to String method

#1. Forced type conversion--Add the target type enclosed in parentheses before the variable to be converted

The PHP data types that allow conversion are:

• (int), (integer): converted to integer

• (float), (double) , (real): Convert to floating point type

• (string): Convert to string

• (bool), (boolean): Convert to Boolean type

• (array): Convert to array

• (object): Convert to object

Example: Convert integer type to string type

<?php   
$int=31454;   
$str=(string)$int;   
var_dump($int); 
var_dump($str); 
?>

Output:

int 31454
string '31454' (length=5)

2. Use strval() function

<?php   
$int=520;   
$str=strval($int);   
var_dump($int); 
var_dump($str); 
?>

Output:

int 520
string '520' (length=3)

Description:

strval() function is used to get the string value of the variable (PHP version requirements: PHP 4, PHP 5, PHP 7). The syntax is as follows:

string strval ( mixed $var )

• $var--can be any scalar type, but cannot be an array or object.

Return value: Returns a string.

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