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<?php // Array representing a possible record set returned from a database $records = array( array( 'id' => 2135, 'first_name' => 'John', 'last_name' => 'Doe', ), array( 'id' => 3245, 'first_name' => 'Sally', 'last_name' => 'Smith', ), array( 'id' => 5342, 'first_name' => 'Jane', 'last_name' => 'Jones', ), array( 'id' => 5623, 'first_name' => 'Peter', 'last_name' => 'Doe', ) ); $first_names = array_column($records, 'Sally'); print_r($first_names); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JVseU
function name:  (null)
number of ops:  10
compiled vars:  !0 = $records, !1 = $first_names
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   26     1        INIT_FCALL                                               'array_column'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 'Sally'
          4        DO_ICALL                                         $3      
          5        ASSIGN                                                   !1, $3
   27     6        INIT_FCALL                                               'print_r'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
   28     9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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