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There's no garbage collection in PHP3 within the execution of one script
(memory cannot leak in between script executions, though).
Whether or not PHP grows to take huge amount of memory greatly depends on
your script. A common problem in PHP 3.0 is that resources don't have a
reference count, which means they cannot be automatically deallocated once
they're not used anymore (I hope we'll address this in 3.1). In simple
english it means that a script looking like
for (...) {
$result = mysql_query(...);
...
}
'leaks' memory. Changing it to
for (...) {
$result = mysql_query(...);
...
mysql_free_result($result);
}
will solve that leak (and, in 3.1, due sometime this millenium hopefully,
both would work the same).
So, as you can see, whether or not the memory image grows greatly depends
on what kind of script you have. |
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| Script to check values being submitted by POST or GET method from a form. This script may help diagnose what variables are being supplied by a browser to other php scripts.
Categories : HTML, Variables, Debugging, PHP, HTTP | | | dump v0.3 - use this to create a HTML table representation of any kind of variable
Categories : Debugging, PHP | | | The class to check load time of your script
VERY usefull for relatively slow applications, but not only..
Categories : PHP, PHP Classes, Debugging | | | PhpView 0.1 - simple php viewer, using temporary files and frames.
Categories : PHP, PHP Options and Info, Debugging, HTML and PHP | | | Display variables when a form is submitted using POST/GET
Categories : PHP, Functions, Variables, Debugging | | | A time measuring and performance benchmarking class
Categories : PHP, PHP Classes, Testing, Debugging, Date Time | | | phpDocumentor 1.1.0 - automatic documentation tool for PHP. Generates API documentation in HTML, PDF, and CHM formats with automatic linking, smart inheritance and packaging, very fast and stable. Official website
http://www.phpdoc.org
Categories : Complete Programs, Debugging, PHP, Documentation | | | Function to check connection to MySQL and redirect to an error page if an error occurs
Categories : MySQL, PHP, Debugging, Databases | | | Newbie Notes #4 - Trapping dumb MySQL query errors
Categories : PHP, Databases, MySQL, Debugging, Beginner Guides | | | PHPLinkRot v1.0 - program which allows users to report broken links on
your website just by clicking a button. Works well on custom 404 pages
Categories : PHP, Complete Programs, Debugging, URLs, Site Planning | | | Newbie Notes #3 - What went wrong? A useful little debugging aid
Categories : PHP, Beginner Guides, Debugging | | | A Custom Error Handling And Debugging Class
Categories : PHP, PHP Classes, Debugging, Errors and Logging | | | An email validation script that actually checks against the recipient's mail server.
Categories : Email, Complete Programs, PHP, Network, Debugging | | | Custom error messages.
Categories : PHP, Debugging | | | Query2Report : Generating Html, Pdf and Csv Reports from SQL Query
Categories : PHP, PHP, HTML, PDF, Excel | |
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