PHP常见错误解决方案

    $ /app/php/bin/phpize
    Configuring for:
    PHP Api Version:         20170718
    Zend Module Api No:      20170718
    Zend Extension Api No:   320170718
    Cannot find autoconf. Please check your autoconf installation and the
    $PHP_AUTOCONF environment variable. Then, rerun this script.
    $ yum -y install m4 autoconf #手动编译m4和autoconf亦可（不推荐） --> 解决方案
    $ /app/php/bin/phpize
    Configuring for:
    PHP Api Version:         20170718
    Zend Module Api No:      20170718
    Zend Extension Api No:   320170718

    $ ./configure \
    --prefix=/app/php \
    --enable-mysqlnd \
    --with-mysqli=mysqlnd \
    --with-pdo-mysql=mysqlnd \
    --with-openssl \
    --enable-mbstring \
    --with-freetype-dir \
    --with-jpeg-dir \
    --with-png-dir \
    --with-zlib \
    --with-libxml-dir=/usr \
    --enable-xml \
    --enable-sockets \
    --enable-fpm \
    --with-config-file-path=/etc/ \
    --with-config-file-scan-dir=/etc/php.d \
    --with-bz2 \
    --with-gd \
    --with-curl

    ...省略中间的Check过程...

    checking for cURL 7.10.5 or greater... configure: error: cURL version 7.10.5 or later is required to compile php with cURL support #环境检查程序检测到需要cURL版本7.10.5或更高版本才能使用cURL支持编译php，意即当前PHP源码包中的cURL版本较旧，不支持'--with-curl'编译选项

    $ yum -y install curl-devel
    $ wget -O /usr/src/curl-7.64.0.tar.gz https://curl.haxx.se/download/curl-7.64.0.tar.gz
    $ cd /usr/src
    $ tar xf curl-7.64.0.tar.gz
    $ cd curl-7.64.0
    $ /app/php/bin/phpize
    Cannot find config.m4. #提示未发现config.m4文件
    Make sure that you run '/app/php/bin/phpize' in the top level source directory of the module

    $ cp /usr/src/php-7.2.5/ext/curl/config.m4 . #拷贝PHP源码包中的config.m4文件到当前目录下
    $ /app/php/bin/phpize
    Configuring for:
    PHP Api Version:         20170718
    Zend Module Api No:      20170718
    Zend Extension Api No:   320170718

    $ ./configure --with-php-config=/app/php/bin/php-config #调用configure生成Makefile文件，指定phpize要建立基于哪个php版本的扩展
    $ make -j4 #编绎
    $ make install #复制安装
    $ find /usr/local/ -name 'curl.so' #查找生成的curl.so文件
    /usr/local/php/lib/php/extensions/no-debug-non-zts-20170718/curl.so
    $ cat /etc/php.ini | grep curl.so #将curl.so文件路径添加到php.ini的extension(扩展)部分
    extension=/usr/local/php/lib/php/extensions/no-debug-non-zts-20170718/curl.so
    $ service php-fpm restart #重启`PHP-FPM`程序以重载php.ini文件
    $ php-fpm -m | grep curl #检查php-curl扩展是否添加成功
    curl

    $ yum -y install php-mysql