Time and date validation function in PHP

Date validation Format 2011-12-12

The code is as follows

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function Is_date ($STR) { $YEAR = ""; $MONTH = ""; $DAY = ""; $len = strlen ($STR); $offset = 0; $i = Strpos ($str, "-", $offset); $YEAR = substr ($str, $offset, $i-$offset); $offset = $i + 1; if ($len < $offset) { return FALSE; } if ($i) { $i = Strpos ($str, "-", $offset); $MONTH = substr ($str, $offset, $i-$offset); $offset = $i + 1; if ($len < $offset) { return FALSE; } if ($i) { $DAY = substr ($str, $offset, $len-$offset); } } if ($YEAR = = "" | | $MONTH = = "" | | $DAY = = "") { return FALSE; } if (!checkdate (Intval ($MONTH), Intval ($DAY), Intval ($YEAR)) { return FALSE; } return TRUE; }

Time Verification 11:12:32

The code is as follows

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function Is_time ($STR) { $TEMP = ""; $HOUR = ""; $MIN = ""; $SEC = ""; $TEMP = Strtok ($str, ":"); $HOUR = $TEMP; if ($HOUR = = "" | | <= $HOUR | | $HOUR < 0 | | !is_number ($HOUR)) { return FALSE; } $TEMP = Strtok (":"); $MIN = $TEMP; if ($MIN = = "" | | <= $MIN | | $MIN < 0 | | !is_number ($MIN)) { return FALSE; } $TEMP = Strtok (":"); $SEC = $TEMP; if ($SEC = = "" | | <= $SEC | | $SEC < 0 | | !is_number ($SEC)) { return FALSE; } return TRUE; }

Time-Date Validation: 2011-12-12 12:12:12

The code is as follows	Copy Code
function is _date_time ($DATE _time_str) {         if ($DATE _time_str = = NULL | | strlen ( $DATE _time_str) = = 0)         {       & nbsp;         return FALSE;        }         $DATE _time_arry = Explode ("", $DATE _time_str);         if (is_date ($DATE _time_arry[0]) && is_time ($DATE _time_arry[ 1])         {          & nbsp;      return TRUE;        }         return FALSE; }