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<?php $array = array(0 => 'blue pants', 1 => 'red pants', 2 => 'green pants', 3 => 'green pants', 4=> 'red t-shirt', 5=> 'blue redneck pants'); $return = preg_grep("/\bred\b/", $array); var_dump($return); /* array(2) { [1]=> string(9) "red pants" [4]=> string(11) "red t-shirt" } */
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/o9rGi
function name:  (null)
number of ops:  10
compiled vars:  !0 = $array, !1 = $return
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        INIT_FCALL                                               'preg_grep'
          2        SEND_VAL                                                 '%2F%5Cbred%5Cb%2F'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $3      
          5        ASSIGN                                                   !1, $3
    7     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
   15     9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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