On 5/17/2012 9:52 PM, Jim Lucas wrote:
How about this instead?
<pre><?php
$times = array(
'100', # valid
'1100', # valid
'1300', # invalid
'01:00', # valid
'12:59', # valid
'00:01', # valid
'00:25pm', # invalid
'0000', # valid
'a00', # invalid
'00', # invalid
);
foreach ( $times AS $time )
echo "{$time} is ".(valid_date($time)?'valid':'invalid')."\n";
function valid_date($time) {
if ( ( $c_time = preg_replace('|[^\d\:]+|', '', $time) ) != $time )
return false;
preg_match('#^(?P<hour>\d{1,2}):?(?P<minute>\d{2})$#', $time, $m);
if (
$m &&
( 0 <= (int) $m['hour'] && 12 >= (int) $m['hour'] ) &&
( 0 <= (int) $m['minute'] && 59 >= (int) $m['minute'] )
) {
return TRUE;
}
return false;
}
Let me know.
I optimized it a little...
http://www.cmsws.com/examples/php/testscripts/[email protected]/pt_regex.php
http://www.cmsws.com/examples/php/testscripts/[email protected]/pt_regex.phps
<pre><?php
$times = array(
'100', # valid
'1100', # valid
'1300', # invalid
'01:00', # valid
'12:59', # valid
'00:01', # valid
'00:25pm', # invalid
'0000', # valid
'a00', # invalid
'00', # invalid
);
foreach ( $times AS $time )
echo "{$time} is ".(valid_time($time)?'valid':'invalid')."\n";
function valid_time($time) {
if (
preg_match('#^(\d{1,2}):?(\d{2})$#', $time, $m) &&
( 0 <= (int) $m[1] && 12 >= (int) $m[1] ) &&
( 0 <= (int) $m[2] && 59 >= (int) $m[2] )
) {
return TRUE;
}
return FALSE;
}
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