php¶àÏß³ÌÉÏÏÂÎÄÖа²È«Ð´Îļþ
Ìṩһ¸öphp¶àÏß³ÌÉÏÏÂÎÄÖа²È«Ð´ÎļþµÄʵÏÖ·½·¨¡£Õâ¸öʵÏÖûÓÐʹÓÃphp µÄfile lock»úÖÆ£¬Ê¹ÓõÄÊÇÁÙʱÎļþ»úÖÆ¡£¶àÏß³ÌÖеĸ÷¸öÏ̶߳¼ÊǶԸ÷×Ô£¨Ã¿¸öÏ̶߳ÀÕ¼Ò»¸ö£©µÄÁÙʱÎļþд£¬È»ºóÔÙͬ²½µ½ÔÎļþÖС£
<?php
/**
* @usage: used to offer safe file write operation in multiple threads context, arbitory file type
* @author: Rocky Zhang
* @time: Nov. 11 2009
* @demo[0]: $handler = mfopen($file, 'a+');
* mfwrite($handler, $str);
*/
function mfopen($file, $mode='w+') {
$tempfile = generateTempfile('./tempdir', $file);
preg_match('/b/i', $mode) || ($mode .= 'b'); // 'b' is recommended
if (preg_match('/\w|a/i', $mode) && !is_writable($file)) {
exit("{$file} is not writable!");
}
$filemtime = $filemtime2 = 0;
$tempdir = dirname($tempfile);
is_dir($tempdir) || mkdir($tempdir, 0777);
do { // do-while used to avoid modify in a long time copy
clearstatcache();
$filemtime = filemtime($file);
copy($file, $tempfile);
$filemtime2 = filemtime($file);
} while ( ($filemtime2 - $filemtime) != 0 );
if (!$handler = fopen($tempfile, $mode)) {
exit('Fail on opening tempfile, write authentication is must on temporary dir!');
}
return array(0=>$handler, 1=>$filemtime, 2=>$file, 3=>$tempfile, 4=>$mode);
}
// I do think that this function should be optimized further
function mfwrite(&$handler, $str='') {
if (strlen($str) > 0) {
$num = fwrite($handler[0], $str);
Ïà¹ØÎĵµ£º
AddSlashes: ×Ö·û´®¼ÓÈëбÏß¡£
bin2hex: ¶þ½øÎ»×ª³ÉÊ®Áù½øÎ»¡£
Chop: È¥³ýÁ¬Ðø¿Õ°×¡£
Chr: ·µ»ØÐòÊýÖµµÄ×Ö·û¡£
chunk_split: ½«×Ö·û´®·Ö³ÉС¶Î¡£
convert_cyr_string: ת»»¹Å˹À·ò×Ö·û´®³ÉÆäËü×Ö·û´®¡£
crypt: ½«×Ö·û´®Óà DES ±àÂë¼ÓÃÜ¡£
echo: Êä³ö×Ö·û´®¡£
explode: Çпª×Ö·û´®¡£
flush: Çå³öÊä³ö»º³åÇø¡£
get ......
££££££££££££££
°²×°pear
££££££££££££££
pearÊÇPHPµÄÀ©Õ¹ºÍÓ¦ÓóÌÐò¿â£¬°üº¬Á˺ܶàÓÐÓõÄÀ࣬°²×°ºÃphp5.0ºó£¬pearʵ¼ÊÉϲ¢Ã»Óб»°²×°£¬°²×°µÄ·½·¨ÈçÏ£º
1.ÔÚphpĿ¼ÖÐË«»÷go-pear.bat¡£
2.°´ÕÕÌáʾÊäÈëһЩÉèÖÃÐÅÏ¢£¬ ......
Ò»¡¢ ±äÁ¿ÃüÃû
a) ËùÓÐ×Öĸ¶¼Ê¹ÓÃСд
b) Ê××Öĸ¸ù¾Ý±äÁ¿ÖµÀàÐÍÖ¸¶¨
i. ÕûÊýi
ii. ¸¡µãÊýf
iii. ×Ö·û´®s
iv. ²¼¶ûÖµb
v. Êý×éa
vi. ¶ÔÏóo
vii. ×ÊÔ´r
viii. »ìºÏÀàÐÍm
c) ʹÓÃ’_’×÷Ϊÿһ¸ö´ÊµÄ·Ö½ç
ÀýÈ磺
$i_age_max = 10;
$f_price = 22.5;
$s_name =‘harry’;
$b_flag = true;
......
¡¡¡¡/***************************
¡¡¡¡* author : ´óÁäÇàÄê
¡¡¡¡* email : wenadmin@sina.com
¡¡¡¡* from: http://blog.csdn.net/hahawen
¡¡¡¡* ×ªÔØÇë±£ÁôÕⲿ·ÖÐÅÏ¢£¬Ð»Ð»
¡¡¡¡***************************/
phpÒ³Ãæ·ÃÎÊʱ£¬Í³Ò»½øÐÐȨÏÞÑéÖ¤µÄÉè¼Æ
ÍíÉÏÓÐÈËÎÊÎÒ¹ØÓÚÍøÕ¾Ò³ÃæÏÔʾµÄʱºò£¬È¨ÏÞÅжϵÄÎÊÌâ¡£ÓÚÊǾÍÓ ......
ÓÉÓÚÄêǰ°Ñ¹¤×÷È·ÈÏÏÂÀ´ÁË£¬ÓÚÊÇ×¼±¸ÀûÓÃ׫д±ÏÒµÂÛÎÄµÄÆÚ¼äѧϰһÏÂPHPµÄ¿ª·¢£¬ÈκÎÒ»ÃÅÓïÑÔµÄѧϰ¹ý³Ì£¬µÚÒ»²½¶¼ÊÇ¿ª·¢»·¾³µÄ³É¹¦ÅäÖã¬ÓÚÊÇÎÒ»¨ÁËÒ»ÉÏÎçʱ¼ä°Ñ»·¾³´î½¨³É¹¦¡£
PHP¿ª·¢»·¾³ÅäÖùý³ÌÏê½â
±¾´ÎÅäÖÃÖ÷ÒªÕë¶ÔÓÚWindows XPϵÄÅäÖð²×°£¬ÖÁÓÚLinuxϵÄÅäÖð²×°½«ÔÚÒÔºó¸øÓè²¹³ä¡£
Ò»¡¢ËùÐèÈí¼þ
Windows XP ......