DATEVALUE

09:39:19 Converts a date in the form of text to a serial number.
09:39:19 Warning: The PhpSpreadsheet DATEVALUE() function accepts a wider range of date formats than MS Excel DATEFORMAT() function.
09:39:19 Date String: 26 March 2012
09:39:19 Formula: =DATEVALUE(A1)
09:39:19 Excel DateStamp: 40994
09:39:19 Formatted DateStamp2012-Mar-26
09:39:19
09:39:19 Date String: 29 Feb 2012
09:39:19 Formula: =DATEVALUE(A2)
09:39:19 Excel DateStamp: 40968
09:39:19 Formatted DateStamp2012-Feb-29
09:39:19
09:39:19 Date String: April 1, 2012
09:39:19 Formula: =DATEVALUE(A3)
09:39:19 Excel DateStamp: 41000
09:39:19 Formatted DateStamp2012-Apr-01
09:39:19
09:39:19 Date String: 25/12/2012
09:39:19 Formula: =DATEVALUE(A4)
09:39:19 Excel DateStamp: 41268
09:39:19 Formatted DateStamp2012-Dec-25
09:39:19
09:39:19 Date String: 2012-Oct-31
09:39:19 Formula: =DATEVALUE(A5)
09:39:19 Excel DateStamp: 41213
09:39:19 Formatted DateStamp2012-Oct-31
09:39:19
09:39:19 Date String: 5th November
09:39:19 Formula: =DATEVALUE(A6)