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<?php /** from http://php.net/manual/en/function.array-unique.php : BY DEFAULT: Note: Two elements are considered equal if and only if (string) $elem1 === (string) $elem2 i.e. when the string representation is the same, the first element will be used. */ //this will include false and 0, but will not include '' and null: var_dump(array_unique([ false,0,'',null] ));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pUGrW
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'array_unique'
    9     2        SEND_VAL                                                 <array>
          3        DO_ICALL                                         $0      
          4        SEND_VAR                                                 $0
          5        DO_ICALL                                                 
   10     6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0

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