Very often, when data size gets bigger and bigger, some scripts will break due to default memory limit. I got the following error today.
Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 72 bytes) in /someDir/myScript.php on line 15 Segmentation fault: 11
I checked my php help. I am using version 5.3.6.
$ php -h
Usage: php [options] [-f] [--] [args...]
php [options] -r [--] [args...]
php [options] [-B ] -R [-E ] [--] [args...]
php [options] [-B ] -F [-E ] [--] [args...]
php [options] -- [args...]
php [options] -a
-a Run as interactive shell
-c | Look for php.ini file in this directory
-n No php.ini file will be used
-d foo[=bar] Define INI entry foo with value 'bar'
-e Generate extended information for debugger/profiler
-f Parse and execute .
-h This help
-i PHP information
-l Syntax check only (lint)
-m Show compiled in modules
-r Run PHP without using script tags
-B Run PHP before processing input lines
-R Run PHP for every input line
-F Parse and execute for every input line
-E Run PHP after processing all input lines
-H Hide any passed arguments from external tools.
-s Output HTML syntax highlighted source.
-v Version number
-w Output source with stripped comments and whitespace.
-z Load Zend extension .
args... Arguments passed to script. Use -- args when first argument
starts with - or script is read from stdin
--ini Show configuration file names
--rf Show information about function .
--rc Show information about class .
--re Show information about extension .
--ri Show configuration for extension .
Looks like -d with do it. So I ran the following:
php -d memory_limit=512M myScript.php
It worked fine.
If you can afford to change your php.ini file, use - -ini to see where your php.ini file is, then make your changes accordingly. You can also use -n to ignore your php.ini file, but then you will be using default parameters which may be even harder to debug.
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