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<?php $str = 'DES ANALYSES BIOLOGIQUES 750733 130906 / 3842'; preg_match( '/BIOLOGIQUES\s+(\d+)/', $str, $matches); echo $matches[1];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fkVaN
function name:  (null)
number of ops:  9
compiled vars:  !0 = $str, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'DES+ANALYSES+BIOLOGIQUES+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++750733+++++130906+%2F+3842'
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2FBIOLOGIQUES%5Cs%2B%28%5Cd%2B%29%2F'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    5     6        FETCH_DIM_R                                      ~4      !1, 1
          7        ECHO                                                     ~4
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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