How to convert integer to string type in php?

Methods to convert integers to string types 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; 3. Use the "settype (integer variable, "string")" method.

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Method 1: Forced type conversion---in The variable to be converted is preceded by the target type "(string)" enclosed in parentheses

Example:

<?php  
$num1=365765;  
$num2=(string)$num1;  
var_dump($num1); //输出int(3.14)  
var_dump($num2); //输出string(3)  
?>

Output result:

Method 2: Use strval() function

strval(): used to get the string value of a variable.

Example

<?php  
$int=545248;  
$str=strval($int); 
var_dump($str); 
?>

Output:

string '545248' (length=6)

Method 3: Use settype(mixed var,string type)

The settype() function is used to set the type of a variable.

Syntax

bool settype ( mixed &$var , string $type )

Parameter description:

$var: The variable to be converted.

$type: Possible values ​​for type are.

• "boolean" (or "bool" since PHP 4.2.0)

• "integer" (or "int" , starting from PHP 4.2.0)

• "float" (only available after PHP 4.2.0, "double" used in older versions is now deprecated)

• "string"

• "array"

• "object"

• "null" (since PHP 4.2.0)

Example:

<?php  
$int=545248;  
$str=settype($int,"string");  
var_dump($str); //输出bool(true)  
var_dump($int);  //输出string &#39;545248&#39;

?>

Output:

boolean true
string '545248' (length=6)

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