Install php environment error resolution

Error: configure: error: libevent >= 1.4.11 could not be found
Solution: yum -y install libevent libevent-devel


Error: configure: error: xml2-config not found. Please check your libxml2 installation.
Solution: yum -y install libxml2 libxml2-devel


Error: configure: error: mcrypt.h not found. Please reinstall libmcrypt.
Solution: yum install libmcrypt libmcrypt-devel


Error: configure: error: Please reinstall the libcurl distribution - easy.h should be in /include/curl/
Solution: yum -y install curl-devel


Error: If configure fails try --with-jpeg-dir= configure: error: libpng.(a|so) not found.
Solution: yum -y install libpng-devel


Error: /usr/bin/ld: cannot find -lltdl collect2: ld returned 1 exit status
Solution: yum - y install libtool-ltdl-devel

Mainly because some libraries are not installed.