p5 php53 obsolete function summary

The functions abandoned in php5.3 are:
ereg(); //Replace directly with mb_ereg, or replace with preg_match, but the matching rules need to be included with /
eregi(); //Replace preg_match, add after the rule i, such as: preg_match(“/^(style|style_)(.*)*/i”, $file);
ereg_replace();
set_magic_quotes_runtime();
split();
mysql_close(); // Will Closing all is not supported and needs to be changed to: mysql_close($link);

The above has introduced a summary of the obsolete functions of p5 php53, including the content of p5. I hope it will be helpful to friends who are interested in PHP tutorials.