3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = <<<HTML <FONT FACE="League" SIZE="15" COLOR="#000000"><font COLOR="#ff00ff" SIZE="18"><b><font SIZE="23"><font SIZE="27"><font SIZE="23"><font SIZE="18"><font SIZE="23">Moet Flip make-up dragen? <br />Stem mee in de poll!!</font></font></font></font></font></b></font><br /></FONT> HTML; preg_match_all('/color\s*=\s*([\'"]?)#([0-9a-f]+)\1/i', $str, $matches); $color = array_pop($matches[2]); var_dump($color);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GtUd7
function name:  (null)
number of ops:  15
compiled vars:  !0 = $str, !1 = $matches, !2 = $color
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%3CFONT+FACE%3D%22League%22+SIZE%3D%2215%22+COLOR%3D%22%23000000%22%3E%3Cfont+COLOR%3D%22%23ff00ff%22+SIZE%3D%2218%22%3E%3Cb%3E%3Cfont+SIZE%3D%2223%22%3E%3Cfont+SIZE%3D%2227%22%3E%3Cfont+SIZE%3D%2223%22%3E%3Cfont+SIZE%3D%2218%22%3E%3Cfont+SIZE%3D%2223%22%3EMoet+Flip+make-up+dragen%3F++%3Cbr+%2F%3EStem+mee+in+de+poll%21%21%3C%2Ffont%3E%3C%2Ffont%3E%3C%2Ffont%3E%3C%2Ffont%3E%3C%2Ffont%3E%3C%2Fb%3E%3C%2Ffont%3E%3Cbr+%2F%3E%3C%2FFONT%3E'
    7     1        INIT_FCALL                                               'preg_match_all'
          2        SEND_VAL                                                 '%2Fcolor%5Cs%2A%3D%5Cs%2A%28%5B%27%22%5D%3F%29%23%28%5B0-9a-f%5D%2B%29%5C1%2Fi'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    8     6        INIT_FCALL                                               'array_pop'
          7        FETCH_DIM_W                                      $5      !1, 2
          8        SEND_REF                                                 $5
          9        DO_ICALL                                         $6      
         10        ASSIGN                                                   !2, $6
   10    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !2
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
148.26 ms | 1395 KiB | 19 Q