Guys how dows this work in php: 'mysql_real_escape_string($_POST[ ] )' explain

Question

PHP

Answer 1

mysql_* is near deprecation (or maybe already is). Use mysqli_* instead

https://www.php.net/manual/en/book.mysqli.php
https://www.php.net/manual/en/mysqli.real-escape-string.php

Answer 2

'mysql_real_escape_string($_POST[ ] )' should raise error, as you're doesn't give any index inside square brackets...

however, 'mysql_real_escape_string' function return escaped version of a string, logically related to mysql ^^