Example one:
Warning: Undefined variable $_post in /home/redmon22/public_html/info440/predefined.php on line 26
is one (of several) prdefined variables in php
it's used to collect an array of variables/data (usually from a form) after hitting the submit button. The method for the form is usually set to post, which passes the array through a script via the http
/info440/predefined.php
Warning: Array to string conversion in /home/redmon22/public_html/info440/predefined.php on line 32
Array is one (of several) predefined variables in php
Warning: Array to string conversion in /home/redmon22/public_html/info440/predefined.php on line 34
To put this in short, the Array holds all the info about headers, paths, etc.