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<?php var_dump(is_int('abc'),is_int('123'),is_int('0123'), is_int('0'), is_int('000000'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZnL2k
function name:  (null)
number of ops:  13
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'var_dump'
          1        TYPE_CHECK                                   16  ~0      'abc'
          2        SEND_VAL                                                 ~0
          3        TYPE_CHECK                                   16  ~1      '123'
          4        SEND_VAL                                                 ~1
          5        TYPE_CHECK                                   16  ~2      '0123'
          6        SEND_VAL                                                 ~2
          7        TYPE_CHECK                                   16  ~3      '0'
          8        SEND_VAL                                                 ~3
          9        TYPE_CHECK                                   16  ~4      '000000'
         10        SEND_VAL                                                 ~4
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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