php 安装 xhprof 扩展 (兼容php5、7)
git clone git@github.com:longxinH/xhprof.git cd xhprof /usr/local/php7/bin/phpize ./configure --with-php-config=/usr/local/php7/bin/php-config make sudo make install
扩展编译完成，确定一下
ls /usr/local/php7/lib/php/extensions/no-debug-non-zts-20180731/xhprof.so
把 prepend 文件放在 /tmp/xhprof.prepend.php 下
vi /usr/local/php7/lib/php.ini [xhprof] extension=xhprof.so auto_prepend_file ="/tmp/xhprof.prepend.php";
重启 apache
ps: prepend 文件 xhprof.prepend.php
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2 && !empty($xhprof_data)) {
array_unshift($xhprof_data, http_build_query($_REQUEST));
$xhprof_file = '/tmp/xhprof/' . date('YmdHis0000') . uniqid() . '.'
. str_replace('.', '_', strtolower((isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : 'NOHOST')
. '-' . (isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : 'NOMETHOD')))
. '.xhprof';
file_put_contents($xhprof_file, serialize($xhprof_data));
}
}); 
