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beim gebrauch von eval() gilt es einige faktoren zu beachten.
eval() evaluates the string given in code_str as php code. among other things, this can be useful for storing code in a database text field for later execution.
beachten sie, dass dies nicht mit einem cgi-skript vergleichbar ist.
use your browser to access the file with your web access url, ending with the "/hello.php" file reference. when developing locally this url will be something like http://localhost/hello.php or http://127.0.0.1/hello.php but this depends on the web servers configuration. although this is outside the scope of this tutorial, see also the documentroot and servername directives in your web servers configuration file. (on apache this is httpd.conf). if everything is setup correctly, this file will be parsed by php and the following output will make it to your browser:
beachten sie, dass dies unabhängig von der verwendeten methode (also z.b.
참고: it is wrong to urlencode() $data, because it's the browsers responsibility to urlencode() the data. all popular browsers do that correctly. note that this will happen regardless of the method (i.e., get or post). you'll only notice this in case of get request though, because post requests are usually hidden.