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<?php $bla = '500,00'; $price = substr($bla, 0, strpos($bla.'.', '.')); var_dump($price);
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/KEFDO
function name:  (null)
number of ops:  16
compiled vars:  !0 = $bla, !1 = $price
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   ASSIGN                                                   !0, '500%2C00'
   3     1        INIT_FCALL                                               'substr'
         2        SEND_VAR                                                 !0
         3        SEND_VAL                                                 0
         4        INIT_FCALL                                               'strpos'
         5        CONCAT                                           ~3      !0, '.'
         6        SEND_VAL                                                 ~3
         7        SEND_VAL                                                 '.'
         8        DO_ICALL                                         $4      
         9        SEND_VAR                                                 $4
        10        DO_ICALL                                         $5      
        11        ASSIGN                                                   !1, $5
   4    12        INIT_FCALL                                               'var_dump'
        13        SEND_VAR                                                 !1
        14        DO_ICALL                                                 
        15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.2.0