DATEVALUE

00:49:59 Converts a date in the form of text to a serial number.
00:49:59 Warning: The PhpSpreadsheet DATEVALUE() function accepts a wider range of date formats than MS Excel DATEFORMAT() function.
00:49:59 Date String: 26 March 2012
00:49:59 Formula: =DATEVALUE(A1)
00:49:59 Excel DateStamp: 40994
00:49:59 Formatted DateStamp2012-Mar-26
00:49:59
00:49:59 Date String: 29 Feb 2012
00:49:59 Formula: =DATEVALUE(A2)
00:49:59 Excel DateStamp: 40968
00:49:59 Formatted DateStamp2012-Feb-29
00:49:59
00:49:59 Date String: April 1, 2012
00:49:59 Formula: =DATEVALUE(A3)
00:49:59 Excel DateStamp: 41000
00:49:59 Formatted DateStamp2012-Apr-01
00:49:59
00:49:59 Date String: 25/12/2012
00:49:59 Formula: =DATEVALUE(A4)
00:49:59 Excel DateStamp: 41268
00:49:59 Formatted DateStamp2012-Dec-25
00:49:59
00:49:59 Date String: 2012-Oct-31
00:49:59 Formula: =DATEVALUE(A5)
00:49:59 Excel DateStamp: 41213
00:49:59 Formatted DateStamp2012-Oct-31
00:49:59
00:49:59 Date String: 5th November
00:49:59 Formula: =DATEVALUE(A6)