3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dt = \DateTime::createFromFormat('Y-m-d', $date); $dt->modify('first day of month'); echo $dt->format('Y-m-d');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/AS0UX
function name:  (null)
number of ops:  13
compiled vars:  !0 = $dt, !1 = $date
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
          1        SEND_VAL                                                 'Y-m-d'
          2        SEND_VAR                                                 !1
          3        DO_FCALL                                      0  $2      
          4        ASSIGN                                                   !0, $2
    3     5        INIT_METHOD_CALL                                         !0, 'modify'
          6        SEND_VAL_EX                                              'first+day+of+month'
          7        DO_FCALL                                      0          
    4     8        INIT_METHOD_CALL                                         !0, 'format'
          9        SEND_VAL_EX                                              'Y-m-d'
         10        DO_FCALL                                      0  $5      
         11        ECHO                                                     $5
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
159.7 ms | 1384 KiB | 13 Q