php鍩虹瀛︿範涔嬪彉閲忕殑浣跨敤_PHP鏁欑▼ | 甯涔嬪

澶嶅埗浠ｇ爜 浠ｇ爜濡備笅:

//寮曠敤
$one="test";
two=&$one;//鐩稿綋浜庝紶鍦板潃锛屼袱涓彉閲忔寚鍚戜竴涓湴鍧€

//鍔ㄦ€佸彉閲?
$one="######";
$two="one";
$three="two";

echo $three."
";//杈撳嚭"two"
echo $$three."
";//杈撳嚭"one"
echo $$$three."
";//杈撳嚭"######"

//php涓湁8涓被鍨?
//4绉嶆爣閲忥細 int integer
// bool boolean
// float,double,real
// string
//2绉嶅鍚堢被鍨嬶細 array
// object
//2绉嶇壒娈婄被鍨嬶細 璧勬簮绫诲瀷 resource
// 绌虹被鍨?null


//鏁存暟鐨勫０鏄?
$int=10; //鍗佽繘鍒跺０鏄?
$int=045;//鍏繘鍒跺０鏄?
$int=0xff;//鍗佸叚杩涘埗澹版槑
$float=3.14E+5;//绉戝璁℃暟娉?
$float=3.14E-5;

//涓€涓嬮兘鏄痜alse鐨勬儏鍐?
$bool=false;
$bool=0;
$bool=0.000;
$bool=null;
$bool="";
$bool=" ";
$bool="0";
$bool=array();

//瀛楃涓茬殑澹版槑
//1.鍗曞紩鍙峰拰鍙屽紩鍙烽兘鍙互澹版槑瀛楃涓?
//2.澹版槑鐨勫瓧绗︿覆娌℃湁闀垮害闄愬埗
//3.鍦ㄥ弻寮曞彿鐨勫瓧绗︿覆涓紝鏃㈠彲浠ョ洿鎺ヨВ鏋愬彉閲忥紝鍙堝彲浠ョ洿鎺ヤ娇鐢ㄨ浆涔夊瓧绗?鍙互杞箟鍗曞紩鍙锋湰韬紝涔熷彲浠ヨ浆涔夎浆涔夊瓧绗?\")
//4.鍦ㄥ崟寮曞彿鐨勫瓧绗︿覆涓紝涓嶅彲浠ョ洿鎺ヨВ鏋愬彉閲忥紝涔熶笉鍙互浣跨敤杞箟瀛楃
//5.鍦ㄥ弻寮曞彿涓笉鑳藉啀浣跨敤鍙屽紩鍙凤紝鍦ㄥ崟寮曞彿涓笉鑳藉啀浣跨敤鍗曞紩鍙?
//6.鏈€濂戒娇鐢ㄥ崟寮曞彿锛?
$str='aaaaa';
$str="aaaa";
//瀹氱晫绗﹀０鏄庡瓧绗︿覆锛屽ぇ閲忓瓧绗︿覆
//test鏄嚜瀹氫箟鐨勪竴涓瓧绗︿覆锛屽悗闈笉鑳芥湁浠讳綍瀛楃锛岀┖鏍间篃涓嶅彲浠?
//涔熻浠est杩欎釜鑷畾涔夌殑瀛楃涓茬粨鏉燂紝缁撴潫鍓嶄笉鑳芥湁浠讳綍瀛楃
$str=this write content......
test;
>

http://www.bkjia.com/PHPjc/323552.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/323552.htmlTechArticle澶嶅埗浠ｇ爜 浠ｇ爜濡備笅: ?php //寮曠敤 $one="test"; two=$one;//鐩稿綋浜庝紶鍦板潃锛屼袱涓彉閲忔寚鍚戜竴涓湴鍧€ //鍔ㄦ€佸彉閲?$one="######"; $two="one"; $three="two"; echo $t...