Php/docs/internals2.opcodes.add-var
From Get docs
ADD_VAR
PHP code
<?php/* * add contents of variable in value2 to string value1 and store in result * opcode number: 56 */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 |
