print_r、var_export、var_dump 的区别
$arr=[ ["a"=>"aa","b"=>"bbb","c"=>"ccc"], ["a"=>"ddd","b"=>"eee","c"=>"fff"], ["a"=>"gg","b"=>"hh"]];
PHP数组 第3章 print_r、var_export、var_dump 的区别
