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PHP - Manual: JMPNZ - 互联网笔记

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PHP官方手册 - 互联网笔记

PHP - Manual: JMPNZ

2025-06-09

JMPNZ

PHP code

<?php
/*
 * Jump to the address if the value is not zero
 * opcode number: 44
 */
for($i=0$i<3$i++){ 
    echo 
"hi";
}
?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$i

line#op fetchextreturn operands
60 ASSIGN     !0,0
 1 IS_SMALLER   ~1 !0,3
 2 JMPZNZ  6  ~1,->8
 3 POST_INC   ~2 !0
 4 FREE     ~2
 5 JMP     ->1
76 ECHO     'hi'
87 JMP     ->3
98 RETURN     1
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官方地址:https://www.php.net/manual/en/internals2.opcodes.jmpnz.php

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