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PHP - Manual: BOOL_NOT

2024-12-27

BOOL_NOT

PHP code

<?php
/*
 * Boolean (logical) not of "value"
 * opcode number: 13
 */
echo !1;
?>

PHP opcodes

Function name: (null)

Compiled variables: none

line#op fetchextreturn operands
60 BOOL_NOT   ~0 1
 1 ECHO     ~0
72 RETURN     1
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官方地址:https://www.php.net/manual/en/internals2.opcodes.bool-not.php

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