3v4l.org

run code in 300+ PHP versions simultaneously
<?php $comentario = '\\'; $comentario = '/** * @var string * @Assert\NotBlank(message = "El nombre no puede estar vacĂ­o") * @Assert\Regex(pattern="/^ /", match = false, message="El nombre no puede empezar con espacios") * @Assert\Regex(pattern="/ $/", match = false, message="El nombre no puede terminar con espacios") */'; echo preg_match( '/\\\/', $comentario ); echo preg_match( '/\\\/m', $comentario,$assert ); var_dump($assert);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UclKB
function name:  (null)
number of ops:  17
compiled vars:  !0 = $comentario, !1 = $assert
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%5C'
    3     1        ASSIGN                                                   !0, '%2F%2A%2A%0A+++++%2A+%40var+string%0A+++++%2A+%40Assert%5CNotBlank%28message+%3D+%22El+nombre+no+puede+estar+vac%C3%ADo%22%29%0A+++++%2A+%40Assert%5CRegex%28pattern%3D%22%2F%5E+%2F%22%2C+match+%3D+false%2C+message%3D%22El+nombre+no+puede+empezar+con+espacios%22%29%0A+++++%2A+%40Assert%5CRegex%28pattern%3D%22%2F+%24%2F%22%2C+match+%3D+false%2C+message%3D%22El+nombre+no+puede+terminar+con+espacios%22%29%0A+++++%2A%2F'
    9     2        INIT_FCALL                                               'preg_match'
          3        SEND_VAL                                                 '%2F%5C%5C%2F'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $4      
          6        ECHO                                                     $4
   10     7        INIT_FCALL                                               'preg_match'
          8        SEND_VAL                                                 '%2F%5C%5C%2Fm'
          9        SEND_VAR                                                 !0
         10        SEND_REF                                                 !1
         11        DO_ICALL                                         $5      
         12        ECHO                                                     $5
   11    13        INIT_FCALL                                               'var_dump'
         14        SEND_VAR                                                 !1
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.24 ms | 1395 KiB | 17 Q