search
Homephp教程php手册输出合法php格式文件 var_export

输出合法php格式文件 var_export

Jun 13, 2016 am 11:17 AM
exportphpvaronelegitimateTutorialdocumentFormatoutputreturn

 

var_export
(php教程 4 >= 4.2.0, php 5)
var_export -- 输出或返回一个变量的字符串表示
描述

mixed var_export ( mixed expression [, bool return] )

此函数返回关于传递给该函数的变量的结构信息,它和 var_dump() 类似,不同的是其返回的表示是合法的 php 代码。
您可以通过将函数的第二个参数设置为 true,从而返回变量的表示。
eg:

var_export(array('a','b',array('aa','bb','cc'))) 这种与var_dump没什么区别;

$var =var_export(array('a','b',array('aa','bb','cc')),true),加上true后,不会再打印出来,而是给了一个变量,这样就可以直接输出;
echo $var;此时输出来的形式与var_dump()打印的相似。
eg2 
代码如下:

$data = array ('name' => 'abc', 'job' => 'programmer','a'=>array('aa','cc','bb'));
$data = var_export($data,true);
echo $data;

输出形式如下: 
代码如下:

array (
'name' => 'abc',
'job' => 'programmer',
'a' =>
array (
0 => 'aa',
1 => 'cc',
2 => 'bb',
),
)

Statement
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

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

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

Hot Tools

Atom editor mac version download

Atom editor mac version download

The most popular open source editor

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

DVWA

DVWA

Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software

mPDF

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

PhpStorm Mac version

PhpStorm Mac version

The latest (2018.2.1) professional PHP integrated development tool