ubuntu22.04系统上安装php后报错:
/php7/bin/php: error while loading shared libraries: libpng15.so.15: cannot open shared object file
# wget https://sourceforge.net/projects/libpng/files/libpng15/older-releases/1.5.15/libpng-1.5.15.tar.gz
# tar -zxvf ./libpng-1.5.15.tar.gz
# cd libpng-1.5.15
# ./configure --prefix=/usr/local/libpng
# make && make install
# ln -s /usr/local/libpng/lib/libpng15.so.15 /usr/lib/libpng15.so.15