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PHP - Manual: FETCH_RW

2024-04-19

FETCH_RW

PHP code

<?php
/*
 * Fetch the value of the varible of "name" to assign it to a variable?
 * opcode number: 86
 */
$x 1;
$a 'x';
$
$a++;
?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$x, !1=$a

line#op fetchextreturn operands
60 ASSIGN     !0,1
71 ASSIGN     !1,'x'
82 FETCH_RWlocal  $2 !1
 3 POST_INC   ~3 $2
 4 FREE     ~3
95 RETURN     1
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官方地址:https://www.php.net/manual/en/internals2.opcodes.fetch-rw.php

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