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<?php function check_ints(&$array) { return array_reduce($array, 'is_int'); } $array = range(1, 100); check_ints($array); echo memory_get_peak_usage(true);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bprQI
function name:  (null)
number of ops:  13
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                               'range'
          1        SEND_VAL                                                 1
          2        SEND_VAL                                                 100
          3        DO_ICALL                                         $1      
          4        ASSIGN                                                   !0, $1
    9     5        INIT_FCALL                                               'check_ints'
          6        SEND_REF                                                 !0
          7        DO_FCALL                                      0          
   11     8        INIT_FCALL                                               'memory_get_peak_usage'
          9        SEND_VAL                                                 <true>
         10        DO_ICALL                                         $4      
         11        ECHO                                                     $4
         12      > RETURN                                                   1

Function check_ints:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bprQI
function name:  check_ints
number of ops:  7
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        INIT_FCALL                                               'array_reduce'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 'is_int'
          4        DO_ICALL                                         $1      
          5      > RETURN                                                   $1
    5     6*     > RETURN                                                   null

End of function check_ints

Generated using Vulcan Logic Dumper, using php 8.0.0


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