大约有 17,000 项符合查询结果（耗时：0.0401秒） [XML]
App Inventor 2 如何连接MySQL数据库（阿里云数据库） · App Inventor 2 中文网
...接MySQL数据库
开发步骤
前端代码块
后端php代码
« 返回首页
由于阿里数据库（Oceanbase）完全兼容 MySQL，因此这里探讨的就是怎么连MySQL。
App Inventor 2 如何连接MySQL数据库
首先，App Inventor 2 并没有提供直接连...
PHP Get all subdirectories of a given directory
... if($file->isDir()) {
echo strtoupper($file->getRealpath()), PHP_EOL;
}
}
Replace strtoupper with your desired function.
share
|
improve this answer
|
fol...
How to Flatten a Multidimensional Array?
Is it possible, in PHP, to flatten a (bi/multi)dimensional array without using recursion or references?
29 Answers
...
Using usort in php with a class private function
...
Man this seems like such a weird way to do this. Oh PHP, how we love you.
– dudewad
Nov 28 '13 at 0:07
13
...
Deleting an element from an array in PHP
Is there an easy way to delete an element from an array using PHP, such that foreach ($array) no longer includes that element?
...
How can I use PHP to dynamically publish an ical file to be read by Google Calendar?
Any Google search on PHP ical just brings up phpicalendar and how to parse or read IN ical files. I just want to write a PHP file that pulls events from my database and writes them out in ical format.
...
using gitignore to ignore (but not delete) files
...
It sounds like you are trying to track a file (e.g. index.php), add it to a remote repository, then stop watching tracking it, while keeping the file in the remote (i.e. keep index.php unchanged on the remote repo while changing it locally).
From what I understand, git cannot do th...
How do I convert a PDF document to a preview image in PHP? [closed]
...
You need ImageMagick and GhostScript
<?php
$im = new imagick('file.pdf[0]');
$im->setImageFormat('jpg');
header('Content-Type: image/jpeg');
echo $im;
?>
The [0] means page 1.
sha...
Difference between var_dump,var_export & print_r
...2] => 42
[3] => Array ([0] => 42)
)
var_export prints valid php code. Useful if you calculated some values and want the results as a constant in another script. Note that var_export can not handle reference cycles/recursive arrays, whereas var_dump and print_r check for these. var_exp...
Is == in PHP a case-sensitive string comparison?
I was unable to find this on php.net. Is the double equal sign ( == ) case sensitive when used to compare strings in PHP?
7...