Allowed memory size of X bytes exhausted

Question

Fatal error  Allowed memory size of 67108864 bytes exhausted  tried to allocate 13965430 bytes    PHPInfo shows that I have a memory limit of 128M  so I m confused as to why the error says I only have 64M  Is it possible for phpinfo to report incorrectly  Or for PHP to use two separate php inis   The error was being caused by an ini set call in one of the primary php files that a co-worker of mine added without my knowledge

User · Answer

If you re sure you restarted Apache after configuring php ini  then you might be looking at the wrong php ini file

User · Answer

The memory must be configured in several places  Set memory limit to 512M   sudo vi  etc php5 cgi php ini sudo vi  etc php5 cli php ini sudo vi  etc php5 apache2 php ini Or  etc php5 fpm php ini   Restart service   sudo service service php5-fpm restart sudo service service nginx restart   or   sudo service apache2 restart   Finally it should solve the problem of the memory limit

User · Answer

I had same issue  I found the answer   ini set  memory limit    -1      Note  It will take unlimited memory usage of server   Update  Use this carefully as this might slow down your system if the PHP script starts using an excessive amount of memory  causing a lot of swap space usage  You can use this if you know program will not take much memory and also you don t know how much to set it right now  But you will eventually find it how much memory you require for that program   You should always memory limit as some value as answered by  sarki dinle   ini set  memory limit    512M      Giving unlimited memory is bad practice  rather we should give some max limit that we can bear and then optimise our code or add some RAMs

User · Answer

ini set  memory limit    128M       or  php ini    gt   memory limit   128M   or  php value memory limit 128M

User · Answer

This problem is happend because of php ini defined limit was exided but have lot s of solution for this but simple one is to find your local servers folder and on that find the php folder and in that folder have php ini file which have all declaration of these type setups  You just need to find one and change that value  But in this situation have one big problem once you change in your localhost file but what about server when you want to put your site on server it again produce same problem and you again follow the same for server   But you also know about  htaccess file this is one of the best and single place to do a lot s of things without changing core files   Like you change www routing  removing  php or other extentions from url or add one  Same like that you also difine default values of php ini here like this - First you need to open the  htaccess file from your root directory or if you don t have this file so create one on root directory of your site and paste this code on it -  php value upload max filesize 1000M php value post max size 99500M php value memory limit 500M php value max execution time 300   after changes if you want to check the changes just run the php code   lt  php phpinfo      gt     it will show you the php cofigrations all details  So you find your changes   Note  for defining unlimited just add -1 like php value memory limit -1 It s not good and most of the time slow down your server  But if you like to be limit less then this one option is also fit for you  If after refresh your page changes will not reflect you must restart your local server once for changes   Good Luck  Hope it will help  Want to download the  htaccess file click this

User · Answer

PHP s config can be set in multiple places    master system php ini  usually in  etc somewhere  somewhere in Apache s configuration  httpd conf or a per-site  conf file  via php value  CLI  amp  CGI can have a different php ini  use the command php -i   grep memory limit to check the CLI conf  local  htaccess files  also php value  in-script  via ini set      In PHPinfo s output  the  Master  value is the compiled-in default value  and the  Local  value is what s actually in effect  It can be either unchanged from the default  or overridden in any of the above locations   Also note that PHP generally has different  ini files for command-line and webserver-based operation  Checking phpinfo   from the command line will report different values than if you d run it in a web-based script

User · Answer

1 check current limit   in my os php -i   grep limit    gt  memory limit   gt  256M   gt  256M  2  locate php ini  php --ini   gt     Configuration File  php ini  Path   etc Loaded Configuration File           etc php ini Scan for additional  ini files in   etc php d Additional  ini files parsed        etc php d curl ini       3 change memory limit in php ini vi  etc php ini memory limit   512M  4 restart nginx and  php-fpm if being used  service php-fpm restart service nginx restart

User · Answer

If by increasing the memory limit you have gotten rid of the error and your code now works  you ll need to take measures to decrease that memory usage  Here are a few things you could do to decrease it   If you re reading files  read them line-by-line instead of reading in the complete file into memory  Look at fgets and SplFileObject  fgets  Upgrade to a new version of PHP if you re using PHP 5 3  PHP 5 4 and 5 5 use much less memory   Avoid loading large datasets into in an array  Instead  go for processing smaller subsets of the larger dataset and  if necessary  persist your data into a database to relieve memory use   Try the latest version or minor version of a third-party library  1 9 3 vs  your 1 8 2  for instance  and use whichever is more stable  Sometimes newer versions of libraries are written more efficiently   If you have an uncommon or unstable PHP extension  try upgrading it  It might have a memory leak   If you re dealing with large files and you simply can t read it line-by-line  try breaking the file into many smaller files and process those individually  Disable PHP extensions that you don t need   In the problem area  unset variables which contain large amounts of data and aren t required later in the code   FROM  https   www airpair com php fatal-error-allowed-memory-size

[php] Allowed memory size of X bytes exhausted

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