bool define ( string $name , mixed $value [, bool $case_insensitive = false ] )
<?php
/**
* 获取目录路径
*
* @param string $path 文件路径
* @return string
*/
function getdirname($path = null) {
if (!empty($path)) {
if (strpos($path, '\\') !== false) {
return substr($path, 0, strrpos($path, '\\')) . '/';
} elseif (strpos($path, '/') !== false) {
return substr($path, 0, strrpos($path, '/')) . '/';
}
}
return './';
}
define('R_P',getdirname(__FILE__));
define('D_P',R_P);
echo R_P;
echo "<br>";
echo D_P;
echo "<br>";
define('A_P', R_P.'apps/');
echo A_P;
?>
/var/www/html/php/
/var/www/html/php/
/var/www/html/php/apps/
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