Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

PHP ÖÐ×Ô¶¨Ò庯ÊýµÄ¼¸ÖÖ·½Ê½


PHPÖÐͨ³£Óм¸ÖÖ×Ô¶¨Ò庯ÊýµÄ·½·¨£¬ÏÂÃæ½éÉÜһϣ¬ÎÒÃÇʹÓõÄÊÇÕâÖÖ·½Ê½£º
<?php
function foo($arg)
{
return $arg
}
?>
µ±Ä³Ð©²ÎÊýΪ¿ÉÑ¡ÊÇ£¬¿ÉÒÔÕâÑù¶¨Ò壺
<?php
function foo($arg = NULL)
{
return $arg == NULL ? "" : $arg;
}
?>
µ±ÎÒÃDz»ÏÞÖÆ²ÎÊý¸öÊýµÄʱºò£¬Ò²¿ÉÒÔÕâÑù¶¨Ò壺
<?php
function foo()
{
$args = func_get_args();
return (count($args) > 0) ? $args : "";
}
?>


Ïà¹ØÎĵµ£º

»ñµÃphpËù¶ÔÓ¦µÄÅäÖÃÎļþ(php.ini)ÐÅÏ¢

[root@BIND9-master /usr/local/bin]# php --ini
Configuration File (php.ini) Path: /usr/local/etc
Loaded Configuration File:         /usr/local/Zend/etc/php.ini
Scan for additional .ini files in: /usr/local/etc/php
Additional .ini files parsed:  &n ......

phpµÄzipÀ©Õ¹Ó¦ÓÃÀý×Ó

$zip = new ZipArchive;
$res = $zip->open(UPLOAD_DIR.'/attach.zip', ZIPARCHIVE::CREATE);
if ($res === true) {
       foreach ($fileinfo as $value) {
             $zip->addFile(UPLOAD_DIR.'/'.$value['SA ......

PHPÈëÃŵÚÒ»²½

Ò»£¬PHP½Å±¾´úÂë±ê¼Ç
PHPµÄ½Å±¾ÊÇÎļþÖÐÒ»¶ÔÌØÊâ±ê¼ÇËù°üÀ¨µÄÄÚÈÝ£¬ÈçASPÊÇ“<%....%>”,PHP¿É¿´³ÉÊÇ“<?...?>”¡£
È»¶øÎªÁËÊÊÓ¦XML±ê×¼ÒÔ½«PHPǶÈëµ½XML»òXHTMLÖУ¬PHP²»½¨ÒéʹÓö̸ñʽµÄ“<?...?>”£¬¶ø½¨ÒéʹÓó¤¸ñʽ±ê¼Ç“<?php...?>”
´ËÍâPHP´úÂ ......

phpÖе¥ÒýºÅºÍË«ÒýºÅÇø±ð

1 PHPÖе¥ÒýºÅÓëË«ÒýºÅµÄÇø±ð  
¡¡¡¡ÔÚPHPÖУ¬Í¨³£Ò»¸ö×Ö·û´®±»¶¨ÒåÔÚÒ»¶ÔÒýºÅÖУ¬È磺
'I am a string in single quotes'
"I am a string in double quotes"
¡¡¡¡PHPÓï·¨·ÖÎöÆ÷ÊÇÓóɶԵÄÒýºÅÀ´ÅжÏÒ»¸ö×Ö·û´®µÄ¡£Òò´Ë£¬ËùÓÐ×Ö·û´®±ØÐëʹÓÃͬһÖÖµ¥»òÕßË«
ÒýºÅÀ´¶¨Ò忪ʼºÍ½áÊø¡£ÀýÈ磬ÏÂÃæµÄ×Ö´®¶¨ÒåÊ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ