Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 12288 bytes) in open cart code example

Example 1: PHP Fatal error: Allowed memory size of 134217728 bytes exhausted

memory_limit = 64M;

Example 2: Fatal error: Allowed memory size of 1610612736 bytes exhausted (tried to allocate 32 bytes) in

;memory_limit=512M