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<?php $array = array(1, "apples",2, "oranges",3, "plums"); $filtered = array_filter( $array, "ctype_alpha"); var_dump($filtered); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9SdgU
function name:  (null)
number of ops:  10
compiled vars:  !0 = $array, !1 = $filtered
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'array_filter'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 'ctype_alpha'
          4        DO_ICALL                                         $3      
          5        ASSIGN                                                   !1, $3
    5     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
    6     9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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