How to debug PHP crashes (previously: "PHP: don't define functions inside switch ...

(How to debug PHP crashes (previously: "PHP: don't define functions inside switch statements")) Hmm, looks like some versions of PHP, including the one running on outputthis.org, crash if you call a function defined inside a switch statement. Oops! --- BTW, if you find that your script is crashing PHP (i.e. your browser gives an error, the server drops the HTTP connection after receiving the headers, and you get an error in /var/log/apache/error.log like [notice] child pid 2706 exit signal Segmentation fault (11)), here's how you figure out what's going wrong - or at least get something to Google. * Step 1 - enable core dumping in Apache Edit /etc/apache/conf/httpd.conf (it might be at /etc/httpd/conf/httpd.conf) and set the CoreDumpDirectory option to a directory that Apache can write to. I created a new directory: mkdir /var/run/httpd-core chown apache.apache /var/run/httpd-core ... then put this line in httpd.conf: CoreDumpDirectory /var/run/httpd-core Now tell Apache to reload config: apachectl graceful * Step 2 - trigger the error Browse to the page or do whatever you ...

20:35:10 February 2, 2006, Thursday (PST) Source: Second p0st

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