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Can linux cat command be used for writing text to file?
...text file:
cat > output.txt <<EOF
some text
some lines
EOF
For PHP file:
cat > test.php <<PHP
<?php
echo "Test";
echo \$var;
?>
PHP
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How do I check if a directory exists? “is_dir”, “file_exists” or both?
...hink realpath() may be the best way to validate if a path exist
http://www.php.net/realpath
Here is an example function:
<?php
/**
* Checks if a folder exist and return canonicalized absolute pathname (long version)
* @param string $folder the path being checked.
* @return mixed returns the ...
Single Sign On across multiple domains [closed]
...
There is a master domain, login.mydomain.com with the script master_login.php that manages the logins.
Each client domain has the script client_login.php
All the domains have a shared user session database.
When the client domain requires the user to be logged in, it redirects to the master domain ...
.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i
I have this error when trying to browse php files locally
8 Answers
8
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Clear the cache in JavaScript
...ry hour, or every week, you may cache according to file data.
Example (in PHP):
<script src="js/my_script.js?v=<?=md5_file('js/my_script.js')?>"></script>
or even use file modification time:
<script src="js/my_script.js?v=<?=filemtime('js/my_script.js')?>"></scr...
How does this giant regex work?
...ently found the code below in one of my directories, in a file called doc.php . The file functions or links to a file manager. It's quite nicely done. Basically, it lists all the files in the current directory, and it lets you change directories.
...
Jump to function definition in vim
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php is C-like enough that "Exuberant ctags" should work with it. Don't know if it has a python mode.
– Paul Tomblin
Mar 11 '09 at 18:38
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成功熬了四年还没死？一个IT屌丝创业者的深刻反思 - 资讯 - 清泛网 - 专注C...
...，已经达到了十七八万。
屌丝们不得不面对一个终极问题：如何盈利?
屌丝们定了三盘沙县水饺，围着一箱子的冰啤酒开始计算：按照最近一月的登陆情况来看，四百万个账号已经不活跃了。真正有商业价值的只有一百万...
How to take screenshot of a div with JavaScript?
...
If you wish to have "Save as" dialog, just pass image into php script, which adds appropriate headers
Example "all-in-one" script script.php
<?php if(isset($_GET['image'])):
$image = $_GET['image'];
if(preg_match('#^data:image/(.*);base64,(.*)$#s', $image, $match)){
...
Mapping over values in a python dictionary
...e function the way you want (the name chosen in this answer is inspired by PHP's array_walk() function).
Note: Neither the try-except block nor the return statements are mandatory for the functionality, they are there to further mimic the behavior of the PHP's array_walk.
...