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bool is_float ( mixed $var )

<?php
$var_name = 127.55;
if (is_float($var_name))
    echo 'This is a float value' . PHP_EOL;
else
    echo 'This is not a float value' . PHP_EOL;

var_dump(is_float('tutorialpro'));
echo PHP_EOL;
var_dump(is_float(85));
echo PHP_EOL;
var_dump(is_float(true));
echo PHP_EOL;
var_dump(is_float(array(23.3, 56, 6)));
?>

This is a float value
bool(false)

bool(false)

bool(false)

bool(false)