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PHP - Manual: JMP

2024-04-29

JMP

PHP code

<?php 
/*
 * Unconditonally jump to the address
 * opcode number: 42
 */
$foo false;
while(!
$foo) {
    
$foo true;
}
?>

PHP opcodes

Function name: (null)

compiled vars: !0 = $foo

line#op fetchextreturn operands
60 ASSIGN     !0, false
71 BOOL_NOT   ~1 !0
 2 JMPZ     ~1, ->5
83 ASSIGN     !0, true
94 JMP     ->1
115 RETURN     1
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官方地址:https://www.php.net/manual/en/internals2.opcodes.jmp.php

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