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<?php var_dump(strtotime('first day')); var_dump(date('Y-m-d H:i:s', strtotime('first day'))); var_dump(strtotime('first day 00:00:00')); var_dump(date('Y-m-d H:i:s', strtotime('first day 00:00:00'))); var_dump(strtotime(date('Y-m-01 00:00:00'))); var_dump(mb_strlen("高考"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jVafL
function name:  (null)
number of ops:  48
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'strtotime'
          2        SEND_VAL                                                 'first+day'
          3        DO_ICALL                                         $0      
          4        SEND_VAR                                                 $0
          5        DO_ICALL                                                 
    4     6        INIT_FCALL                                               'var_dump'
          7        INIT_FCALL                                               'date'
          8        SEND_VAL                                                 'Y-m-d+H%3Ai%3As'
          9        INIT_FCALL                                               'strtotime'
         10        SEND_VAL                                                 'first+day'
         11        DO_ICALL                                         $2      
         12        SEND_VAR                                                 $2
         13        DO_ICALL                                         $3      
         14        SEND_VAR                                                 $3
         15        DO_ICALL                                                 
    6    16        INIT_FCALL                                               'var_dump'
         17        INIT_FCALL                                               'strtotime'
         18        SEND_VAL                                                 'first+day+00%3A00%3A00'
         19        DO_ICALL                                         $5      
         20        SEND_VAR                                                 $5
         21        DO_ICALL                                                 
    7    22        INIT_FCALL                                               'var_dump'
         23        INIT_FCALL                                               'date'
         24        SEND_VAL                                                 'Y-m-d+H%3Ai%3As'
         25        INIT_FCALL                                               'strtotime'
         26        SEND_VAL                                                 'first+day+00%3A00%3A00'
         27        DO_ICALL                                         $7      
         28        SEND_VAR                                                 $7
         29        DO_ICALL                                         $8      
         30        SEND_VAR                                                 $8
         31        DO_ICALL                                                 
    9    32        INIT_FCALL                                               'var_dump'
         33        INIT_FCALL                                               'strtotime'
         34        INIT_FCALL                                               'date'
         35        SEND_VAL                                                 'Y-m-01+00%3A00%3A00'
         36        DO_ICALL                                         $10     
         37        SEND_VAR                                                 $10
         38        DO_ICALL                                         $11     
         39        SEND_VAR                                                 $11
         40        DO_ICALL                                                 
   11    41        INIT_FCALL                                               'var_dump'
         42        INIT_FCALL                                               'mb_strlen'
         43        SEND_VAL                                                 '%E9%AB%98%E8%80%83'
         44        DO_ICALL                                         $13     
         45        SEND_VAR                                                 $13
         46        DO_ICALL                                                 
         47      > RETURN                                                   1

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