Writing to apache error log file

file_put_contents('php://stderr', print_r($_POST, TRUE));

Installation help

Installing mysql PDO for php:

nitin@php-5.6.4$ ./configure --with-apxs2=/usr/local/apache2/bin/apxs --with-mysql --with-pdo-mysql

* for  soap aceess

--with-curl
--enable-soap
--with-openssl


* make
* make install