What is implicit conversion of types in php

PHP's implicit type conversion means that when a variable is assigned a value different from its own data type, PHP will automatically convert it to another data type.

Operating system for this tutorial: Windows 10 system, php8.1.3 version, Dell G3 computer.

PHP's implicit type conversion means that when a variable is assigned a value different from its own data type, PHP will automatically convert it to another data type.

Some common implicit type conversions in PHP:

1. Convert strings to integers:

// 将字符串转换为整数
$num = "10";
$sum = $num + 5; // $sum 的值为 15

2. Convert integer to string

// 将整数转换为字符串
$str = 10;
$message = "The number is " . $str; // $message 的值为 "The number is 10"

3. Convert boolean to integer

// 将布尔型转换为整数
$is_true = true;
$one_or_zero = $is_true + 0; // $one_or_zero 的值为 1

The above is the detailed content of What is implicit conversion of types in php. For more information, please follow other related articles on the PHP Chinese website!