string-or-false
* Return an error-message, if $str longer than $maxAllowedLen
* or if $str contains spaces and $spacesAllowed===false.
* Returns false, if there is no error-message to report.
*/
function stringInvalidMsg( $str, $maxAllowedLen, $spacesAllowed = true ) {
$problemsSoFar = "";
$excessLen = (strlen($str) - $maxAllowedLen);
if ($excessLen > 0) {
$problemsSoFar .= "Can't be more than $maxAllowedLen characters long (is $excessLen characters too long).\n";
}
if (!$spacesAllowed && preg_match('/\p{Z}/',$str)) {
$problemsSoFar .= "Cannot contain any space characters.\n";
}
return ($problemsSoFar==="") ? false : $problemsSoFar;
}
/* Test cases for above function:
// a result of false means that there's no message about being invalid.
test( stringInvalidMsg("", 0, true), false );
test( stringInvalidMsg("", 0, false), false );
test( stringInvalidMsg("", 99, true), false );
test( stringInvalidMsg("", 99, false), false );
test( stringInvalidMsg("abcdef", 99, true), false );
test( stringInvalidMsg("abcdef", 99, false), false );
test( stringInvalidMsg("abc def", 99, true), false );
// To test that the result is a string (but not caring/testing much about the string itself),
// we'll just check that is_string(stringInvalidMsg(...)) is true.
test( is_string(stringInvalidMsg("a", 0, false)), true );
test( is_string(stringInvalidMsg("a", 0, true)), true );
test( is_string(stringInvalidMsg(" ", 0, true)), true );
test( is_string(stringInvalidMsg("abc def", 99, false)), true );
test( is_string(stringInvalidMsg("abc def", 3, true)), true );
test( is_string(stringInvalidMsg("abc def", 3, false)), true );
*/
$title = "Form Results";
?>
<?php echo $title;?>
It must be tough, to seek .
Oh hey, what a coincidence; I love too.
I got the message, and the message is clear:
'>
think you are happy.", "\n";
}
else {
echo " It is odd that you are happy, and you don't even know it.", "\n";
}
?>
The key/value pairs received by the form-handler
The array _POST =
Source Code