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<?php $x='0'; $y= sprintf("%01\$.2f",$x); echo (bool)$y;
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/28lgM
function name:  (null)
number of ops:  9
compiled vars:  !0 = $x, !1 = $y
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   ASSIGN                                                   !0, '0'
   3     1        INIT_FCALL                                               'sprintf'
         2        SEND_VAL                                                 '%2501%24.2f'
         3        SEND_VAR                                                 !0
         4        DO_ICALL                                         $3      
         5        ASSIGN                                                   !1, $3
   4     6        CAST                                         13  ~5      !1
         7        ECHO                                                     ~5
         8      > RETURN                                                   1

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