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PHP Manual :: BOOL_NOT



BOOL || BOOL_XOR || Opcode Descriptions and Examples || PHP Manual

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

Function name: (null)

Compiled variables: none

line#op fetchextreturn operands
60 BOOL_NOT   ~0 1
 1 ECHO     ~0
72 RETURN     1


BOOL || BOOL_XOR || Opcode Descriptions and Examples || PHP Manual
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