boolval Function in PHP
What is boolval() in PHP?
Explanation
PHP boolval function is used to get a boolean value from the given input value. It returns "true" on success and "false" on failure.
Syntax:
boolval(var_name)
Example :
<?php
echo (boolval(0) ? 'true' : 'false')."<br />";
echo (boolval(28) ? 'true' : 'false')."<br />";
echo (boolval(0.0) ? 'true' : 'false')."<br />";
echo (boolval(4.2) ? 'true' : 'false')."<br />";
?>
Result :
false
true
false
true