In PHP, false is a logical symbol, which means "false"; this parameter generally indicates that the condition is not established or is not satisfied with a certain condition, and the corresponding value is true, which means " True" is used to indicate that the condition is true.
The operating environment of this article: Windows 10 system, PHP version 7.1, Dell G3 computer.
FALSE is a logical symbol, indicating false, generally indicating that the condition is not true or not satisfying a certain condition; TRUE means true, indicating that the condition is true or satisfying a certain condition condition.
Boolean Boolean type
This is the simplest type. bool expresses a truth value, which can be true or false.
Syntax
To specify a bool, use the constant true or false. Both are not case sensitive.
<?php $foo = false; // 设置 $foo 为false ?>
[Related tutorial recommendations: AJAX video tutorial]
The above is the detailed content of What does the parameter false mean in php. For more information, please follow other related articles on the PHP Chinese website!