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<?php var_dump(is_string('324'), is_string('test'), is_string(231232));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NkG4j
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'var_dump'
          1        TYPE_CHECK                                   64  ~0      '324'
          2        SEND_VAL                                                 ~0
          3        TYPE_CHECK                                   64  ~1      'test'
          4        SEND_VAL                                                 ~1
          5        TYPE_CHECK                                   64  ~2      231232
          6        SEND_VAL                                                 ~2
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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