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How to avoid isset() and empty()
... information in a somewhat better structured form: The Definitive Guide To PHP's isset And empty
IMHO you should think about not just making the app "E_NOTICE compatible", but restructuring the whole thing. Having hundreds of points in your code that regularly try to use non-existent variables so...
appending array to FormData and send via AJAX
...
You have several options:
Convert it to a JSON string, then parse it in PHP (recommended)
JS
var json_arr = JSON.stringify(arr);
PHP
$arr = json_decode($_POST['arr']);
Or use @Curios's method
Sending an array via FormData.
Not recommended: Serialize the data with, then deserialize in PHP
JS
/...
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 to bypass Access-Control-Allow-Origin?
...ase).
My ajax script is working , it can send the data over to my server's php script to allow it to process.
However it cannot get the processed data back as it is blocked by "Access-Control-Allow-Origin"
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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 ...
How to escape single quotes in MySQL
...re using to talk to MySQL will have an escaping function built in, e.g. in PHP you could use mysqli_real_escape_string or PDO::quote
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Single Sign On across multiple domains [closed]
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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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How do you create optional arguments in php?
In the PHP manual, to show the syntax for functions with optional parameters, they use brackets around each set of dependent optional parameter. For example, for the date() function, the manual reads:
...
Force LF eol in git repo and working copy
...pository with the following lines (change as desired):
# Ensure all C and PHP files use LF.
*.c eol=lf
*.php eol=lf
which ensures that all files that Git considers to be text files have normalized (LF) line endings in the repository (normally core.eol configuration controls which on...