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<?php $a = "9223372036854775808"; $b = "09223372036854775808"; var_dump( $a == $b );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kVnDY
function name:  (null)
number of ops:  7
compiled vars:  !0 = $a, !1 = $b
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   QM_ASSIGN                                                !0
   5     1        QM_ASSIGN                                                !1
   7     2        INIT_FCALL                                               'var_dump'
         3        IS_NOT_EQUAL                                     ~4      !0, !1
         4        SEND_VAL                                                 ~4
         5        DO_ICALL                                                 
         6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.4.0