How to output two values ​​in php

How to output two values ​​in php: 1. Use the echo statement; 2. Use the print statement; 3. Use the printf function; 4. Use the print_r function; 5. Use the var_dump function.

The operating environment of this tutorial: windows10 system, php8.1.3 version, DELL G3 computer.

There are many ways to output two values ​​in PHP. Below we will introduce some commonly used methods.

1. Use echo statement:

$value1 = 'Hello';
$value2 = 'World';
echo $value1, ' ', $value2; // 输出：Hello World

2. Use print statement:

$value1 = 'Hello';
$value2 = 'World';
print $value1 . ' ' . $value2; // 输出：Hello World

3. Use printf function:

$value1 = 'Hello';
$value2 = 'World';
printf("%s %s", $value1, $value2); // 输出：Hello World

4. Use print_r function :

$data = array('Hello', 'World');
print_r($data); // 输出：Array ( [0] => Hello [1] => World )

5. Use the var_dump function:

$value1 = 'Hello';
$value2 = 'World';
var_dump($value1, $value2); // 输出：string(5) "Hello" string(5) "World"

These methods can be used to output different types of values ​​such as strings, arrays, objects, etc. You can choose the most appropriate method to output the two values ​​according to your needs.

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