PHP Fatal error: Out of memory

[daryl178]

After downloading crackstation.txt.gz and extracting to realuniq.lst, executing the following command

php createidx.php md5 realuniq.lst realuniq-md5.idx

generates fatal error of

So far, completed 99100000 lines (1.255GB) ...
PHP Fatal error: Out of memory (allocated 4194304) (tried to allocate 2098451 bytes) in /cygdrive/e/crackstation-hashdb-master/createidx.php on line 74

[gusuu1]

This just means that the script is using more memory/RAM than your PHP setup allows. There is tons of articles out there on how to fix this. A quick search can do wonders