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<?php $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', ) ); $keys = array_keys($records[0]); var_export($keys); echo "\n"; echo "Number of columns: " , count($keys);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JLYF9
function name:  (null)
number of ops:  14
compiled vars:  !0 = $records, !1 = $keys
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   26     1        INIT_FCALL                                               'array_keys'
          2        FETCH_DIM_R                                      ~3      !0, 0
          3        SEND_VAL                                                 ~3
          4        DO_ICALL                                         $4      
          5        ASSIGN                                                   !1, $4
   27     6        INIT_FCALL                                               'var_export'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
   28     9        ECHO                                                     '%0A'
   29    10        ECHO                                                     'Number+of+columns%3A+'
         11        COUNT                                            ~7      !1
         12        ECHO                                                     ~7
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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