Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 8192 bytes) code example

Example 1: Allowed memory size of 1610612736 bytes exhausted

export COMPOSER_MEMORY_LIMIT=-1

Example 2: PHP Fatal error: Allowed memory size of 1610612736 bytes exhausted (tried to allocate 4096 bytes)

set COMPOSER_MEMORY_LIMIT=-1