前置运算符和后置运算符的区别
$a = 0; //自定义变量并给定初始值
echo "----------后置加运算---------
";
for($b = 0;$b
echo $a++." "; //使用后置运算符
}
echo "
----------前置加运算---------
";
$d = 0; www.2cto.com
for($b = 0;$b
echo ++$d." "; //使用后置运算符
}
echo "
----------前置减运算---------
";
$f =10;
for($b = 10;$b >= 0;$b--){
echo --$f." "; //使用前置运算符
}
echo "
----------后置减运算---------
";
$g =10;
for($b = 10;$b >= 0;$b--){
echo $g--." "; //使用后置运算符
}
?>
结果:

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Dreamweaver Mac version
Visual web development tools

Dreamweaver CS6
Visual web development tools

Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.
