- var_dump: documentation ( source)
- sprintf: documentation ( source)
<?php
var_dump((int)"1e1", (int)"10", (float)"1e1", (float)"10");
var_dump((int)"1e1" == "10");
var_dump("1e1" == "10");
var_dump("str" == "0");
var_dump("str" == 0);
var_dump(sprintf("%F", 0.1));