编程学问
  • 文章
  • 问题
  • 读书
  • 关于
  • 登录
  • « INIT_STATIC_METHOD_CALL
  • INSTANCEOF »
  • PHP Manual
  • Opcode Descriptions and Examples
  • INIT_STRING

INIT_STRING

PHP code

<?php
/*
 * appears to create a string variable in result
 * opcode number: 53
 */
echo "hello$a world";
?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$a

line # op fetch ext return operands
6 0 ADD_STRING     ~0 'hello'
  1 ADD_VAR     ~0 ~0,!0
  2 ADD_STRING     ~0 ~0,'+world'
  3 ECHO       ~0
7 4 RETURN       1
相关文章
php opcode descriptions and examples add stringphp opcode descriptions and examples assign mulphp opcode descriptions and examples assign objphp opcode descriptions and examples casephp opcode descriptions and examples castphp opcode descriptions and examples exitphp opcode descriptions and examples ext fcall beginphp opcode descriptions and examples fetch func argphp opcode descriptions and examples fetch isphp opcode descriptions and examples init arrayphp opcode descriptions and examples init fcall by namephp opcode descriptions and examples init method callphp opcode descriptions and examples init ns fcall by namephp opcode descriptions and examples init static method callphp opcode descriptions and examples init stringphp opcode descriptions and examples jmpphp opcode descriptions and examples jmpnz exphp opcode descriptions and examples pre dec objphp opcode descriptions and examples recv initphp opcode descriptions and examples sr
关注编程学问公众号
编程学问网 湘ICP备20001732号