You need to get exactly same version of PHP extension as your environment.
The KBA introduce about simple way to build PHP extension.
The source code provide in SQL Anywhere installation path.
Unix, Linux, Mac OS X
SQL Anywhere 16
SA16, sqlanywhere.so, shared library, php, ubuntu, raspberry, rasberry pi 1, rasberry pi 2 , KBA , BC-SYB-SQA , SQL Anywhere (on premise, on demand) , How To
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