Community Learn Tools Library Leisure
search
English
Home > Backend Development > PHP Tutorial > java软件工程师学php - 2. 非布尔类型可强行用作布尔类型

java软件工程师学php - 2. 非布尔类型可强行用作布尔类型

WBOY
Release： 2016-06-13 13:10:11
Original
996 people have browsed it

java程序员学php - 2. 非布尔类型可强行用作布尔类型
只要数据不是0，那它就可以当作true来用； 否则，就当作false来用。

if("abc") {
   echo "abc"; //will print "abc"
}

if(!"0"){
   echo "zero"; //will print "zero"
}

Related labels：
abc nbsp print ZERO
source：php.cn
Previous article： php循环 Next article： 关于类继承函数重载的有关问题？大神进
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
function_exists() cannot determine the custom function Function test () {return true;} if (function_exists ('test')) {echo "test is function...
From 2024-04-29 11:01:01
0
2
1429
There is no output in the parent window document.onclick = function(){ window.opener.document.write('I am the output of the child ...
From 2024-04-18 23:52:34
0
1
1284
PX automatic conversion to REM error  <style>html {   font-size: calc(100vw / 3.75);      }...
From 2024-04-16 09:34:16
0
0
4687
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template