3v4l.org

run code in 300+ PHP versions simultaneously
<?php $url = "http://www.google.com/"; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_HEADER, TRUE); curl_setopt($ch, CURLOPT_NOBODY, TRUE); // remove body $head = curl_exec($ch); $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); var_dump($head); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mamcM
function name:  (null)
number of ops:  39
compiled vars:  !0 = $url, !1 = $ch, !2 = $head, !3 = $httpCode
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'http%3A%2F%2Fwww.google.com%2F'
    3     1        INIT_FCALL_BY_NAME                                       'curl_init'
          2        DO_FCALL                                      0  $5      
          3        ASSIGN                                                   !1, $5
    4     4        INIT_FCALL_BY_NAME                                       'curl_setopt'
          5        SEND_VAR_EX                                              !1
          6        FETCH_CONSTANT                                   ~7      'CURLOPT_URL'
          7        SEND_VAL_EX                                              ~7
          8        SEND_VAR_EX                                              !0
          9        DO_FCALL                                      0          
    5    10        INIT_FCALL_BY_NAME                                       'curl_setopt'
         11        SEND_VAR_EX                                              !1
         12        FETCH_CONSTANT                                   ~9      'CURLOPT_HEADER'
         13        SEND_VAL_EX                                              ~9
         14        SEND_VAL_EX                                              <true>
         15        DO_FCALL                                      0          
    6    16        INIT_FCALL_BY_NAME                                       'curl_setopt'
         17        SEND_VAR_EX                                              !1
         18        FETCH_CONSTANT                                   ~11     'CURLOPT_NOBODY'
         19        SEND_VAL_EX                                              ~11
         20        SEND_VAL_EX                                              <true>
         21        DO_FCALL                                      0          
    7    22        INIT_FCALL_BY_NAME                                       'curl_exec'
         23        SEND_VAR_EX                                              !1
         24        DO_FCALL                                      0  $13     
         25        ASSIGN                                                   !2, $13
    8    26        INIT_FCALL_BY_NAME                                       'curl_getinfo'
         27        SEND_VAR_EX                                              !1
         28        FETCH_CONSTANT                                   ~15     'CURLINFO_HTTP_CODE'
         29        SEND_VAL_EX                                              ~15
         30        DO_FCALL                                      0  $16     
         31        ASSIGN                                                   !3, $16
    9    32        INIT_FCALL_BY_NAME                                       'curl_close'
         33        SEND_VAR_EX                                              !1
         34        DO_FCALL                                      0          
   10    35        INIT_FCALL                                               'var_dump'
         36        SEND_VAR                                                 !2
         37        DO_ICALL                                                 
   11    38      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
172.75 ms | 1400 KiB | 15 Q