文字
SWITCH_FREE
PHP code
<?php
$a = array( 1 , 2 , 3 );
foreach( $a as $num ){
print $num ;
}
?> PHP opcodes
Function name: (null)
Compiled variables: !0=$a, !1=$num
| line | # | op | fetch | ext | return | operands |
|---|---|---|---|---|---|---|
| 6 | 0 | INIT_ARRAY | ~0 | 1 | ||
| 1 | ADD_ARRAY_ELEMENT | ~0 | 2 | |||
| 2 | ADD_ARRAY_ELEMENT | ~0 | 3 | |||
| 3 | ASSIGN | !0,~0 | ||||
| 7 | 4 | FE_RESET | $2 | !0,->11 | ||
| 5 | FE_FETCH | $3 | $2,->11 | |||
| 6 | ZEND_OP_DATA | |||||
| 7 | ASSIGN | !1,$3 | ||||
| 8 | 8 | ~5 | !1 | |||
| 9 | FREE | ~5 | ||||
| 9 | 10 | JMP | ->5 | |||
| 11 | SWITCH_FREE | $2 | ||||
| 10 | 12 | RETURN | 1 |