Internals2/opcodes/add-char-Phpdoc专题
ADD_CHAR
PHP code
<?php
/*
* add regular characters in encapsed string
* opcode number: 54
*/
echo "$a ";
?>PHP opcodes
Function name: (null)
Compiled variables: !0=$a
| line | # | op | fetch | ext | return | operands |
|---|---|---|---|---|---|---|
| 6 | 0 | ADD_VAR | !0 | |||
| 1 | ADD_CHAR | 32 | ||||
| 2 | ECHO | |||||
| 3 | RETURN | 1 |