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PHP - Manual: FETCH_OBJ_W

2024-12-27

FETCH_OBJ_W

PHP code

<?php
/*
 * Fetch an object from the property of this object and write to the property of the fectched object.
 * opcode number: 85
 */
$foo = new stdclass;
$foo->bar = new stdclass;
$foo->bar->baz 'quix';
?>

PHP opcodes

Function name: (null)

Compiled variables: !0 = $foo

line# opfetch extreturn operands
60 ZEND_FETCH_CLASS  4:0 'stdclass'
 1 NEW     :0
 2 DO_FCALL_BY_NAME  0   
 3 ASSIGN     !0
74 ZEND_FETCH_CLASS  4:5 'stdclass'
 5 NEW     :5
 6 DO_FCALL_BY_NAME  0   
 7 ZEND_ASSIGN_OBJ     !0, 'bar'
 8 ZEND_OP_DATA      
89 FETCH_OBJ_W     !0, 'bar'
 10 ZEND_ASSIGN_OBJ     'baz'
 11 ZEND_OP_DATA     'quix'
912 RETURN     1
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官方地址:https://www.php.net/manual/en/internals2.opcodes.fetch-obj-w.php

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