Life doesn't get easier or more forgiving; we get stronger and more resilient.
生活從未變得更加輕松或?qū)捜?，是我們在一點(diǎn)一點(diǎn)變強(qiáng)、變堅(jiān)韌。———— Steve Maraboli
據(jù)說是一個百度php的面試題，已給定一個數(shù)組： $arr = array(‘b’=>’a’, ‘c’=>’a’, ‘e’=>’b’, ‘d’=>’b’, ‘f’=>’c’, ‘g’=>’e’, ‘h’=>’f’); 寫一個算法，完成到以下格式的轉(zhuǎn)換： array ( 'a' => array ( 'b' => ar...