Other issues
Allowed memory size exceeded
Required for installation: YES
By default, PHP is usually installed with a memory limit of 16MB that any PHP script may consume. working to get this below 32MB.
Sample error message
Fatal error: Allowed memory size of 16777216 bytes exhausted (tried to allocate 16 bytes) in /home/jamilatta/project/submission/htdocs/classes/xml/XMLNode.inc.php on line 42
Solutions
On a hosted server, no root access
Ask your hosting provider to increase PHP's allowed memory size to 64MB or more.
Local php.ini file
Some web hosts allow placing a php.ini file in your local web directory to override the default site settings.
memory_limit = 64M;
On a personal web server, a VPS, or a shared server with root access
- Locate the php.ini file used by your web server:
- On a linux system you can try the commands:
$ locate php.ini
or
$ find / -name php.ini
- You may find several php.ini files, you want to edit the file in the cgi or apache directory (depending on whether PHP is running as a CGI or mod_php).
- You can also use phpinfo() in a file to display a list of php.ini settings, including the current location of your php.ini file.
- Open your php.ini file with your favorite text editor
- Make sure to open the file with su privileges (use sudo if avaiable)
- Edit the line below and set the memory limit to 64M:
memory_limit = 64M ; Maximum amount of memory a script may consume (16MB)
- Save your changes to php.ini
- Restart your Apache process (only necessary if PHP is running as an Apache module):
$ apache2ctl restart
Resource limits section in a typical php.ini file
Resource Limits
max_execution_time = 30 ; Maximum execution time of each script, in seconds
max_input_time = 60 ; Maximum amount of time each script may spend parsing request data
;max_input_nesting_level = 64 ; Maximum input variable nesting level
memory_limit = 32M ; Maximum amount of memory a script may consume (16MB)
