$GLOBALS

$GLOBALS — 锟斤拷锟斤拷全锟斤拷锟斤拷锟斤拷锟斤拷锟叫匡拷锟矫碉拷全锟斤拷锟斤拷锟斤拷

说锟斤拷

一锟斤拷锟斤拷锟斤拷锟斤拷全锟斤拷锟斤拷锟斤拷锟斤拷全锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街撅拷锟斤拷锟斤拷锟斤拷募锟斤拷锟�

锟斤拷锟斤拷

Example #1 $GLOBALS 锟斤拷锟斤拷


<?php
function test() {
    $foo = "local variable";

    echo '$foo in global scope: ' . $GLOBALS["foo"] . "\n";
    echo '$foo in current scope: ' . $foo . "\n";
}

$foo = "Example content";
test();
?>

锟斤拷锟斤拷锟斤拷锟教碉拷锟斤拷锟斤拷锟斤拷锟斤拷冢锟�

$foo in global scope: Example content
$foo in current scope: local variable

注锟斤拷

Note:
"Superglobal"也锟斤拷为锟皆讹拷锟斤拷锟斤拷全锟街憋拷锟斤拷锟斤拷锟斤拷捅锟绞撅拷锟斤拷诮疟锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷卸锟斤拷强锟斤拷玫摹锟斤拷锟斤拷锟揭拷诤锟斤拷锟斤拷蚍椒锟斤拷锟斤拷锟� global $variable; 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

Note: 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷全锟街憋拷锟斤拷锟斤拷同锟斤拷$GLOBALS锟斤拷PHP锟斤拷锟斤拷锟角匡拷锟矫的★拷