3v4l.org

run code in 500+ PHP versions simultaneously
<?php $ar = ['value1', 'value2', 'no_vlue_here', 'and_here']; $filtered = preg_grep('/^value/', $ar); echo count($filtered);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GfGkZ
function name:  (null)
number of ops:  9
compiled vars:  !0 = $ar, !1 = $filtered
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'preg_grep'
          2        SEND_VAL                                                 '%2F%5Evalue%2F'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $3      
          5        ASSIGN                                                   !1, $3
    5     6        COUNT                                            ~5      !1
          7        ECHO                                                     ~5
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
160.25 ms | 2143 KiB | 14 Q