Allowed memory size of 262144 bytes exhausted tried to allocate 24576 bytes

Question

I was going crazy with this   I got the next message   Allowed memory size of 262144 bytes exhausted  tried to allocate 24576 bytes    TODO LIST   Check phpinfo    got the right php ini route and edit it  Change memory limit to  memory limit   128M   Make sure the value memory limit changes con phpinfo   with the result   memory limit    128MB   128MB   Check  htaccess and added  not needed   php value memory limit 128M   And also to change it via php like so  before error line    ini set  memory limit   128M      It says everywhere that memory is set to 128M  but still get that error   The error is in Swift library  library for sending emails   in abstractSmtpTransport php  so it s not my code int s suposed to work    Any ideas     Edit  Yes  the previous was done restarting apache   EDIT 2   patrick  added that but nothing was echoed  Tryed with lower value  28M int every file  restarted apache  same error  phpinfo showed new value   tried with -1  restarting  and same error    EDIT 3  isn t it weird that allowed memory is bigger than allocated memory   despite the fact that allowed memory size is way below real allowed memory asigned

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In my case it was because I had another folder that contained xampp and all it s files  htdocs  php e t c   Like I installed Xampp twice in different directories and for some reason the configurations of the other one was affecting my current xampp directory and so I had to change the memory size in the php ini file of the other directory too

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If it happens when you try to install some package via composer just use this command COMPOSER MEMORY LIMIT -1 composer require nameofpackage

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See if this answer can help you   Particularly the fact that CLI ini could be different than when the script is running through a browser   Allowed memory size of X bytes exhausted

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The value of 262 144 bytes is the key to the diagnosis  You ll see this magic number pop up in PHP questions all over the place  Why  Because that is the value PHP will end up with as its memory limit if you attempt to update the limit with a value it can t use  An empty string will produce this memory limit  as will an incorrect unit notation like  128MB  instead of the correct  128M    262 144 bytes is exactly 256 Kibibytes  Why PHP runs home to that value when it gets confused is beyond me      isn t it weird that allowed memory is bigger than allocated memory    The allocated amount shown is just the most recent allocation attempt  the one that ran afoul of the memory limit  See Allowed memory size in PHP when allocating less

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I was trying to up the limit Wordpress sets on media uploads  I followed advice from some blog I   m not going to mention to raise the limit from 64MB to 2GB   I did the following   Created a  php ini  file in WP ADMIN with the following integers   upload max filesize   2000MB post max size   2100MV memory limit   2300MB   I immediately received this error when trying to log into my Wordpress dashboard to check if it worked      Allowed memory size of 262144 bytes exhausted  tried to allocate 24576 bytes    The above information in this chain helped me tremendously   Stack usually does BTW   I modified the PHP ini file to the following   upload max filesize   2000M post max size   2100M memory limit   536870912M   The major difference was only use M  not MB  and set that memory limit high   As soon as I saved the changed the PHP ini file  I saved it  went to login again and the login screen reappeared   I went in and checked media uploads  ands bang   Image showing twordpress media folder    Add New    box  with limits stated as    MAXIMUM UPLOAD FILE SIZE  2 GB     I haven t restarted Apache yet    but all looks good   Thanks everyone

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I see my problem is a little bit different from yours  but I ll post this answer in case it helps someone else  I was using MB as shorthand instead of M when defining my memory limit  and php was silently ignoring it  I changed it to an integer  in bytes  and the problem was solved   My php ini changed as follows  memory limit   512MB to memory limit   536870912  This fixed my problem  Hope it helps with someone else s  You can read up on php s shorthand here   Good luck   Edit  As Yaodong points out  you can just as easily use the correct shorthand   M   instead of using byte values  I changed mine to byte values for debugging purposes and then didn t bother to change it back

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In my case neither M or G helped  so I have converted allocated memory to bytes using  https   www gbmb org mb-to-bytes      4096M   4294967296   php ini   memory limit   4294967296

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I got the same issue  To solve the issue you need to update your PHP version

[php] Allowed memory size of 262144 bytes exhausted (tried to allocate 24576 bytes)

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