how to generate php variables on the fly
this is a prette neat trick:
$variable_name = “varname”;
${$variable_name} = “this is the value”;
echo $varname;
Popularity: 1% [?]
Copy a picture with php
I never thought stealing , euhm copying a picture was that easy !
$imgfile = “http://www.domain.com/picture.gif”;
$newfile = “C:/webserverfolder/test.gif”;if (!copy($imgfile, $newfile)) {
print (“failed to copy $imgfile…
\n”);
}
Popularity: 1% [?]
An overview of all HTTP status codes
These HTTP Status codes are returned by the server to the client software to determine the outcome of a request.
The first digit of the status code specifies one of five classes of response.
- 1xx Informational
- 2xx Success
- 3xx Redirection
- 4xx Client Error
- 5xx Server Error
Each Status-Code is described below.
- 200: request completed (OK)
- 201: object created, reason = new URI
- 202: async completion (TBS)
- 203: partial completion
- 204: no info to return
- 205: request completed, but clear form
- 206: partial GET furfilled
- 300: server couldn’t decide what to return
- 301: object permanently moved
- 302: object temporarily moved
- 303: redirection w/ new access method
- 304: if-modified-since was not modified
- 305: redirection to proxy, location header specifies proxy to use
- 307: HTTP/1.1: keep same verb
- 400: invalid syntax
- 401: access denied
- 402: payment required
- 403: request forbidden
- 404: object not found
- 405: method is not allowed
- 406: no response acceptable to client found
- 407: proxy authentication required
- 408: server timed out waiting for request
- 409: user should resubmit with more info
- 410: the resource is no longer available
- 411: the server refused to accept request w/o a length
- 412: precondition given in request failed
- 413: request entity was too large
- 414: request URI too long
- 415: unsupported media type
- 500: internal server error
- 501: required not supported
- 502: error response received from gateway
- 503: temporarily overloaded
- 504: timed out waiting for gateway
- 505: HTTP version not supported
Popularity: 4% [?]
Check if its the first hit on a webpage using the session variable
session_start();
// Use $HTTP_SESSION_VARS with PHP 4.0.6 or less
if (!isset($_SESSION['count'])) {
$_SESSION['count'] = 0;
} else {
$_SESSION['count']++;
}
?>
Popularity: 1% [?]
Create a function simular to the iif access function
The access function iif is very easy to check an expression and return a different value wether the expression is true or false.
functionÂÂiif($expression,ÂÂ$returntrue,ÂÂ$returnfalseÂÂ=ÂÂ'') {
    return ($expressionÂÂ?ÂÂ$returntrueÂÂ:ÂÂ$returnfalse);
}
?>
Popularity: 1% [?]
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