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<?php $objs = [ ['value'=>2, 'key'=>'a'], ['value'=>3, 'key'=>'b'] ]; print_r($objs); $keys = array_column($objs, 'key'); $index = array_search('a', $keys); if ($index !== false) { $objs[$index]['value'] = 5; } print_r($objs);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 16, Position 2 = 19
Branch analysis from position: 16
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
filename:       /in/QUjuY
function name:  (null)
number of ops:  23
compiled vars:  !0 = $objs, !1 = $keys, !2 = $index
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    4     1        INIT_FCALL                                                   'print_r'
          2        SEND_VAR                                                     !0
          3        DO_ICALL                                                     
    6     4        INIT_FCALL                                                   'array_column'
          5        SEND_VAR                                                     !0
          6        SEND_VAL                                                     'key'
          7        DO_ICALL                                             $5      
          8        ASSIGN                                                       !1, $5
    7     9        INIT_FCALL                                                   'array_search'
         10        SEND_VAL                                                     'a'
         11        SEND_VAR                                                     !1
         12        DO_ICALL                                             $7      
         13        ASSIGN                                                       !2, $7
    9    14        TYPE_CHECK                                      1018          !2
         15      > JMPZ                                                         ~9, ->19
   10    16    >   FETCH_DIM_W                                          $10     !0, !2
         17        ASSIGN_DIM                                                   $10, 'value'
         18        OP_DATA                                                      5
   13    19    >   INIT_FCALL                                                   'print_r'
         20        SEND_VAR                                                     !0
         21        DO_ICALL                                                     
         22      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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