Example: Instead of wondering "Why did the user's payment fail?", your logs will show you exactly what happened, when, and why.
This tip shows how to add logging to your PHP script and how to add configuration so you have basic, configurable logging. The PHP script requires two PEAR packages ...
#0 __memcpy_avx_unaligned_erms () at ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:318 #1 0x000060f4457a21df in memcpy (__len=<optimized out>, __src ...