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Homephp教程php手册PHP_SELF和basename的用法

$php_self = isset($_SERVER['PHP_SELF']) ? $_SERVER['PHP_SELF'] : $_SERVER['SCRIPT_NAME'];

if ('/' == substr($php_self, -1)){

    $php_self .= 'index.php';

}

define('PHP_SELF', $php_self);

如果

echo basename(PHP_SELF)

显示为:index.php

如果

echo basename(PHP_SELF,'.php')

显示为:index

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