Obtener tipo

<?php

$a = $b = "3.1416"; // asignamos a las dos variables la misma cadena de texto

settype($b, "float"); // y cambiamos $b a tipo float

print "\$a vale $a y es de tipo ".gettype($a);

print "<br />";

print "\$b vale $b y es de tipo ".gettype($b);

?>

Source: educacionadistancia.juntadeandalucia.es

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