Convert string to int or double

Quick and dirty to convert string to integer:
This will be zero if your string starts with an alpha character.

$myval = 0 + $mystring;


int intval ( mixed $var [, int $base ] )
Return an integer value of $var. The default base is 10.

echo intval('238'); //returns 238


float floatval ( mixed $var )

echo floatval('155.36'); //returns 155.36


Removing the currency symbol

$price = '$19.95';
echo floatval(str_replace('$', '', $price)); //returns 19.95


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