- var_dump: documentation ( source)
<?php
echo
intval('3.581E+8'+0), "\n",
intval('3.581E8'+0), "\n",
intval('+3.581E8'+0), "\n",
intval('-3.581E8'+0), "\n"
;
echo
intval(0+'3.581E+8'), "\n",
intval(0+'3.581E8'), "\n",
intval(0+'+3.581E8'), "\n",
intval(0+'-3.581E8'), "\n"
;
var_dump((int)(0+'3.581E+8'));