PHP中使用hidef扩展代替define提高性能

  if (function_exists('apc_load_constants')) {
            function define_array($key, $arr, $case_sensitive = false) {
                if (!apc_load_constants($key, $case_sensitive)) {
                    apc_define_constants($key, $arr, $case_sensitive);
                }

            }
        } else {
            function define_array($key, $arr, $case_sensitive = false) {
                foreach ($arr as $name => $value) {
                    define($name, $value, $case_sensitive);
                }
            }
        }

        $constants = array(
            'HX'   => 1,
            'BLOG_URL'   => 'https://.jb51./',
            'WWW_URL'   => 'https://.jb51./',
        );

        define_array('hx_defined',$constants);

<?php

$t1 = microtime(1);

    $constants = array(
        'hx1'       => 1,
        'hx2'       => '2',
        'hx3'       => '3',
        'hx4'       => '4',
        'hx5'       => '5',
        'hx6'       => '6',
        'hx7'       => '7',
        'hx8'       => '8',
        'hx9'       => '9',
        'hx10'       => '10',
    );

    function define_array($key, $arr) {
        foreach ($arr as $name => $value) {
            define($name.$i, $value);
        }
    }
   
    for($i=0;$i<100;$i++) {
        define_array($i,$constants);
    }
   
   
$t2 = microtime(1);
echo ($t2-$t1)1000;

//读性能
$t1 = microtime(1);
for($i=0;$i<10000;$i++) {
    $t = hx1;
}   
$t2 = microtime(1);
echo ' '.($t2-$t1)1000;

$t1 = microtime(1);
for($i=0;$i<10000;$i++) {
    $t = HX;
}   
$t2 = microtime(1);
echo ' '.($t2-$t1)1000;