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 charphp opcode descriptions and examples add interfacephp opcode descriptions and examples add stringphp opcode descriptions and examples assign slphp opcode descriptions and examples assign srphp opcode descriptions and examples clonephp opcode descriptions and examples concatphp opcode descriptions and examples ext nopphp opcode descriptions and examples ext stmtphp opcode descriptions and examples fetch obj 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 jmpz exphp opcode descriptions and examples pre incphp opcode descriptions and examples recv initphp opcode descriptions and examples throw
关注编程学问公众号