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run code in 200+ php & hhvm versions
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<?php $url = "meno go you to from"; $regexoo = array('to','go'); $text =str_replace($regexoo, '***', $url); echo $text; echo "<hr><br>"; $str = "first base baseball for all"; $pattern = array('/\b(base|all|first)\b/i',); $str = preg_replace($pattern, "FOUND", $str); echo $str; ?> <p><hr></p> <?php $atag ="على ذهب الى من طول فى يشسيشيشي مصطفى حسني where then"; $pattern = array('/\b(|على|من||فى|مع|الى|then)\b/i',); $atag = preg_replace($pattern, " ", $atag ); echo $atag ;
based on nt6Os
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/MT7HO
function name:  (null)
number of ops:  30
compiled vars:  !0 = $url, !1 = $regexoo, !2 = $text, !3 = $str, !4 = $pattern, !5 = $atag
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   ASSIGN                                                   !0, 'meno+go+you+to+from'
   4     1        ASSIGN                                                   !1, <array>
   5     2        INIT_FCALL                                               'str_replace'
         3        SEND_VAR                                                 !1
         4        SEND_VAL                                                 '%2A%2A%2A'
         5        SEND_VAR                                                 !0
         6        DO_ICALL                                         $8      
         7        ASSIGN                                                   !2, $8
   6     8        ECHO                                                     !2
   8     9        ECHO                                                     '%3Chr%3E%3Cbr%3E'
  10    10        ASSIGN                                                   !3, 'first+base+baseball+for+all'
  11    11        ASSIGN                                                   !4, <array>
  12    12        INIT_FCALL                                               'preg_replace'
        13        SEND_VAR                                                 !4
        14        SEND_VAL                                                 'FOUND'
        15        SEND_VAR                                                 !3
        16        DO_ICALL                                         $12     
        17        ASSIGN                                                   !3, $12
  14    18        ECHO                                                     !3
  17    19        ECHO                                                     '%3Cp%3E%3Chr%3E%3C%2Fp%3E%0A'
  19    20        ASSIGN                                                   !5, '%D8%B9%D9%84%D9%89+%D8%B0%D9%87%D8%A8+%D8%A7%D9%84%D9%89+%D9%85%D9%86+%D8%B7%D9%88%D9%84+%D9%81%D9%89+%D9%8A%D8%B4%D8%B3%D9%8A%D8%B4%D9%8A%D8%B4%D9%8A+%D9%85%D8%B5%D8%B7%D9%81%D9%89+%D8%AD%D8%B3%D9%86%D9%8A+where+then'
  20    21        ASSIGN                                                   !4, <array>
  21    22        INIT_FCALL                                               'preg_replace'
        23        SEND_VAR                                                 !4
        24        SEND_VAL                                                 '+'
        25        SEND_VAR                                                 !5
        26        DO_ICALL                                         $16     
        27        ASSIGN                                                   !5, $16
  22    28        ECHO                                                     !5
        29      > RETURN                                                   1

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