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<?php function sortByDate($a, $b) { return strtotime($a) > strtotime($b); } $cont_history = Array ( '20-02-2015' => Array ( 'activity' => 'GATE IN', 'by' => '', 'location' => 'COLOMBO', 'depot' => 'CNLS' ), '15-03-2015' => Array ( 'activity' => 'GATE OUT', 'by' => '', 'location' => 'COLOMBO', 'depot' => 'CNLS' ), '18-03-2015' => Array ( 'activity' => 'GATE IN', 'by' => '', 'location' => 'CHENNAI', 'depot' => 'GOBAL'), '05-04-2015' => Array ( 'activity' => 'GATE OUT', 'by' => '', 'location' => 'CHENNAI', 'depot' => 'GOBAL'), '10-04-2015' => Array ( 'activity' => 'GATE IN', 'by' => '', 'location' => 'MUMBAI', 'depot' => 'CONS' ), '13-05-2015' => Array ( 'activity' => 'GATE OUT', 'by' => '', 'location' => 'MUMBAI', 'depot' => 'CONS' ), '10-02-2015' => Array ( 'activity' => 'Container Bought', 'by' => 'CARU', 'location' => 'COLOMBO', 'depot' => 'CNLS' ), '07-05-2015' => Array ( 'activity' => 'Container Sold', 'by' => 'TCPL', 'location' => 'MUMBAI', 'depot' => 'CONS' ) ); uksort($cont_history, 'sortByDate'); print_r($cont_history);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/33RZg
function name:  (null)
number of ops:  9
compiled vars:  !0 = $cont_history
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   ASSIGN                                                   !0, <array>
   18     1        INIT_FCALL                                               'uksort'
          2        SEND_REF                                                 !0
          3        SEND_VAL                                                 'sortByDate'
          4        DO_ICALL                                                 
   20     5        INIT_FCALL                                               'print_r'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Function sortbydate:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/33RZg
function name:  sortByDate
number of ops:  11
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    4     2        INIT_FCALL                                               'strtotime'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5        INIT_FCALL                                               'strtotime'
          6        SEND_VAR                                                 !1
          7        DO_ICALL                                         $3      
          8        IS_SMALLER                                       ~4      $3, $2
          9      > RETURN                                                   ~4
    5    10*     > RETURN                                                   null

End of function sortbydate

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