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
without using script tags -B Run PHP before processing input lines -R
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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