PHP: global static ºÍ$GLOBALS$ʹÓÃÓëÇø±ð
1.globalÔÚÕû¸öÒ³ÃæÆð×÷Óá£
2.staticÖ»ÔÚfunctionºÍclassÄÚÆð×÷Óá£
globalºÍ$GLOBALSʹÓûù±¾Ïàͬ£¬µ«ÔÚʵ¼Ê¿ª·¢Öдó²»Ïàͬ¡£
globalÔÚº¯Êý²úÉúÒ»¸öÖ¸Ïòº¯ÊýÍⲿ±äÁ¿µÄ±ðÃû±äÁ¿£¬¶ø²»ÊÇÕæÕýµÄº¯ÊýÍⲿ±äÁ¿£¬Ò»µ«¸Ä±äÁ˱ðÃû±äÁ¿µÄÖ¸ÏòµØÖ·£¬¾Í»á·¢ÉúһЩÒâÁϲ»µ½Çé¿ö£¬ÀýÈçÀý×Ó1.
$GLOBALS[]ȷȷʵʵµ÷ÓÃÊÇÍⲿµÄ±äÁ¿£¬º¯ÊýÄÚÍâ»áʼÖÕ±£³ÖÒ»Ö£¡
Ïà¹ØÎĵµ£º
ͨ¹ýħÊÞ¿´PHPÉè¼ÆÄ£Ê½
ǰ¶Îʱ¼ä¿´µ½ÓÐÈËÓÃħÊÞÀ´½âÊÍÉè¼ÆÄ£Ê½£¬¸Ð¾õºÜÓÐÒâ˼£¬ÓÚÊÇÎÒ°ÑËü¸ÄÁ˸ģ¬ÓÖÌí¼ÓÁËЩÉè¼ÆÄ£Ê½ÄÚÈÝ£¬½ñÌì·¢³öÀ´¡£ÓÐЩµØ·½½è¼øÁËǰÈ˵ÄÄÚÈÝ£¬Ã»ÓÐ×¢Ã÷£¬ÇëǰÈ˲»Òª¼û¹Ö°¡¡£
ÕâÀïÓôó¼Ò¸ÐÐËȤµÄħÊÞ3À´ÌÖÂÛPHPµÄ¼¸ÖÖ³£¼ûµÄÉè¼ÆÄ£Ê½£ºµ¥¼þģʽ¡¢²ßÂÔģʽ¡¢¹¤³§Ä£Ê½¡¢¹Û²ìÕßģʽ¡£½ñÌì¾Í½²ÕâËĸö°É£¬Ò ......
void header ( string string [, bool replace [, int http_response_code]] )
void header ( string string [, bool replace [, int http_response_code]] )
header()ÊÇÓÃÀ´·¢ËÍ HTTP HeaderµÄ¡£replaceÊǸö¿ÉÑ¡µÄ²ÎÊý£¬Ö¸Ê¾ÊÇ·ñÌæ´úÒ»¸öÏÈÆÚÏàËÆµÄheader£¬
......
¿ÉÒÔ¼òµ¥µÄÓÐÁ½¸öforÑ»·±íʾ ¾Å¾Å³Ë·¨±í,µ«ÊDz¢²»ÖªµÀÈçºÎ½øÐÐURLµÄÉèÖÃ.
<?php
for($a =1;$a<=9;$a++)
{
for($b =1;$b<=$a;$b++)
{$c =$a *$b;
echo "$a*$b=$c ";
}
echo "<p>";
}
?> ......
global¶¨ÒåÒ»¸öÈ«¾Ö±äÁ¿£¬Õâ¸öÈ«¾Ö±äÁ¿²»ÊÇÓ¦ÓÃÕû¸öÍøÕ¾£¬¶øÊÇÓ¦ÓÃÓëµ±Ç°Ò³Ãæ£¨°üÀ¨requireºÍincludeÎļþ£©Îļþ¡£
$aa="test";
function test()
{
global $aa;
echo $aa;
}
test(); //print test
º¯ÊýÄÚ¶¨ÒåµÄ±äÁ¿º¯ÊýÍâ¿ÉÒÔµ÷Óã¬ÔÚº¯ÊýÍⶨÒåµÄµÄ±äÁ¿º¯ÊýÄÚ²»ÄÜʹÓá£
gl ......