php鍩虹閲嶇偣

2012 年 9 月 27 日6420

1.wamp?? ???锛峎ampServer2.1e-x32??(鏈浜虹殑鐗堟湰)? ??????a.Apache 2.2.17????//鏈嶅姟鍣? ??????b.MySQL 5.5.8??????//鏁版嵁搴? ??????c.PHP 5.3.5??? ??????d.濂楄呴傚悎鍒濆﹁? ?? 锛嶈勮寖鏍煎紡:<?php?>? ?? 锛峞cho? ??????a.echo TRUE??????//杈撳嚭1? ??????b.echo FALSE????//娌¤緭鍑? ?? 锛嶉敊璇鏄剧ず? ??????a.php.ini: display_errors = on;? ??????b.瀛︿範鏃跺紑鍚,鍙戝竷鏃跺叧闂? ??????琛ュ厖锛欯 鏄閿欒鎺у埗绗︼紝浣滅敤涓洪殣钘忛敊璇 ?? 锛嶆敞閲婂揩鎹烽敭锛圗asyEclipse锛? ??????a.?//?? 锛欳trl+/??(閲嶅嶈嗕负鍙栨秷)? ??????b. /**/锛欳trl+Shift+/??(浣跨敤)?? Ctrl+Shift+\??(鍙栨秷)? ?? 锛嶈惧栬ˉ鍏? ?????? Error_reporting:閰嶇疆閿欒淇℃伅鍥炴姤鐨勭瓑绾? ?????? 1???????? E_ERROR????????????????????????鑷村懡鐨勮繍琛岄敊璇? ?????? 2???????? E_WARNING????????????????????杩愯屾椂璀﹀憡(闈炶嚧鍛芥ч敊璇)? ?????? 4???????? E_PARSE??????????????????????????缂栬瘧鏃惰В鏋愰敊璇? ?????? 8???????? E_NOTICE????????????????????????杩愯屾椂鎻愰啋(缁忓父鏄痓ug,涔熷彲浠ユ槸鏈夋剰鐨)? ?????? 16?????? E_CORE_ERROR?????????? PHP鍚鍔ㄦ椂鍒濆嬪寲杩囩▼涓鐨勮嚧鍛介敊璇? ?????? 32?????? E_CORE_WARNING??????PHP鍚鍔ㄦ椂鍒濆嬪寲杩囩▼涓鐨勮﹀憡(闈炶嚧鍛芥ч敊璇)? ?????? 64?????? E_COMPILE_ERROR???? 缂栬瘧鏃惰嚧鍛芥ч敊璇? ?????? 128???? E_COMPILE_WARNING 缂栬瘧鏃惰﹀憡(闈炶嚧鍛芥ч敊璇)? ?????? 256???? E_USER_ERROR????????????鐢ㄦ埛鑷瀹氫箟鐨勮嚧鍛介敊璇? ?????? 512???? E_USER_WARNING????????鐢ㄦ埛鑷瀹氫箟鐨勮﹀憡(闈炶嚧鍛芥ч敊璇)? ?????? 1024?? E_USER_NOTICE????????????鐢ㄦ埛鑷瀹氫箟鐨勬彁閱(缁忓父鏄痓ug锛屼篃鍙鑳芥槸鏈夋剰鐨)? ?????? 2047?? E_ALL??????????????????????????????????闄E_STRICT澶栫殑鎵鏈夐敊璇(PHP6涓涓8191,鍗冲寘鍚鎵鏈)? ?????? 2048?? E_STRICT?????????????????????????? 缂栫爜鏍囧噯鍖栬﹀憡(寤鸿濡備綍淇鏀逛互鍚戝墠鍏煎)? ?????????閿欒鎶ュ憡绾у埆鏄浣嶅瓧娈电殑鍙犲姞,鎺ㄨ崘浣跨敤E_ALL|E_STRICT? 2.鍩虹鐭ヨ瘑? ???锛嶈嚜瀹氫箟鍙橀噺? ?????? a.涓嶉渶鏄庣ず鏁版嵁绫诲瀷? ?????? b.鍔'$'? ?????? c.浠ヤ笅鍒掔嚎鎴栧瓧姣嶅紑澶? ?????? d.浠ユ湁鎰忎箟鐨勫崟璇? ????锛嶅叏绛? ?????? a.===? ?????? b.鍒ゆ柇澶у皬鍙婄被鍨? ????锛嶆暟缁? ????????鍒涘缓鏁扮粍鏂规硶? ????????a.array("key"=>"value")? ????????b.array[]=value;? ????????c.explode(separator,string);? ????????甯哥敤鍑芥暟? ????????a.count?????? //缁熻℃暟缁勬潯鏁? ????????b.is_array??//鍒ゆ柇鏄鍚︿负鏁扮粍? ???????? 閬嶅巻鏁扮粍? ???? Foreach($arr as $key=>$value)? ???????? 璇存槑:??鎸囬拡璺宠浆, 鑷鍔ㄥ惊鐜, 渚濇¤祴鍊? ???? 锛嶆祦绋嬫帶鍒剁? ???????? a.??break?????????? //缁撴潫涓灞傚惊鐜? ??????????????break n????????//缁撴潫n灞傚惊鐜? ???????? b.??continue???? //缁撴潫鏈娆″惊鐜? ???????? c.??return??????????//杩斿洖锛岀粨鏉熷綋鍓嶈剼鏈杩愯? ???????? d.??exit??????????????//缁撴潫鑴氭湰杩愯 ???????? e.??return 涓 exit鐨勫尯鍒锛氳佸浘 ??????????????/ 3.鍑芥暟? ???? 锛峝ate("Y-m-d G:i:s")?? ?? a.Y?琛ㄧず4浣嶆暟瀛楀畬鏁磋〃绀虹殑骞翠唤?? ??????b.m??鏁板瓧琛ㄧず鐨勬湀浠,鏈夊墠瀵奸浂?? ?? c.d?鏈堜唤涓鐨勭鍑犲ぉ,鏈夊墠瀵奸浂鐨2浣嶆暟瀛?? ?? d.G?灏忔椂,24灏忔椂鏍煎紡,娌℃湁鍓嶅奸浂??? ????????e.?i??鏈夊墠瀵奸浂鐨勫垎閽熸暟?? ????????f.?s??鏈夊墠瀵奸浂鐨勭掓暟? ????娉ㄦ剰锛氬亣濡備綘鏄剧ず鐨勬椂闂磋窡鐢佃剳鏄剧ず鏃堕棿涓嶄竴鏍凤紝涔熷氨鏄鐩稿樊8灏忔椂锛屽彲鍦╬hp.ini閲? ?????????????????????????闈㈠皢date.timezone = "PRC"?? //PRC浠h〃涓鍗庝汉姘戝叡鍜? ??锛峵ime()?? //杩斿洖褰撳墠鐨?Unix?鏃堕棿鎴筹紝涔熷氨鏄涓涓叉暟瀛? ??渚嬶細?$nextWeek=time()+(7*24*60*60);//7澶╋紝24灏忔椂锛60鍒嗛挓锛60绉?? ??????echo $nextWeek."<br>";??? ??????echo 'now:?????? '.date("Y-m-d")."\n";? ??????echo 'Next Week: '.date("Y-m-d",$nextWeek);? ??????date(鏍煎紡瀛楃︼紝鏃堕棿鎴)? ??????1.?灏嗙粰瀹氱殑鏃堕棿鎴充互缁欏畾鐨勬牸寮忚緭鍑烘潵? ??????2.?濡傛灉鐪佺暐鏃堕棿鎴筹紝渚嬪傚墠闈锛屽垯瑙嗕负褰撳墠鏃堕棿? ??锛嶈嚜瀹氫箟鍑芥暟? ????a.鏍煎紡锛歠unction 鍑芥暟鍚(){}? ????b.浣跨敤涓庡姛鑳界浉鍏崇殑鍚嶅瓧??? ??? ?????? function_exists?? //鍒ゆ柇鍑芥暟? ?????? is_array???????????? //鍒ゆ柇鏁扮粍? ??锛嶅懡鍚嶄範鎯? ????a.浣跨敤鑹濂藉懡鍚 (蹇呴』鍦,鍏朵綑浠呬緵鍙傝)?? ????b.鍑芥暟鍗曡瘝寮澶村ぇ灏忓啓??? ?????? c.甯搁噺澶у啓??? ?????? d. 鍙橀噺灏忓啓?? ?????? 鎻愰啋锛歅HP鏄鍖哄埆澶у皬鍐欑殑?

4.mysql ??锛峂ysql(灏忓瀷鍏崇郴鍨嬫暟鎹搴撶$悊绯荤粺) ????a.浣撶Н灏 ????b.閫熷害蹇 ????c.鎴愭湰浣 ????d.寮婧 ????MYSQL榛樿や娇鐢ㄧ殑鏄3306绔鍙 ??锛嶅瓨鍌ㄥ紩鎿(瀛樺偍琛ㄦ暟鎹鐨勭被鍨) ????a.MyISAM:杈冮珮鐨勬彃鍏ャ佹煡璇㈤熷害锛屼絾涓嶆敮鎸佷簨鍔★紱榛樿ゃ ????b.InnoDB:鏀鎸佷簨鍔 ??锛峱hpMyAdmin(Web鏂瑰紡璁块棶Mysql) ??锛嶇被鍨嬪皬瑙 ????绮惧害:鎸囨暟鍊兼暟鎹涓鎵瀛樺偍鐨勫崄杩涘埗鏁版嵁鐨勬讳綅鏁般 ????闀垮害:鎸囧瓨鍌ㄦ暟鎹鎵浣跨敤鐨勫瓧鑺傛暟 ????int ????1.鏁存暟鍨 ????2.绮惧害10 ????3.鏁板艰寖鍥(-2147483648~2147483648) ????4.闀垮害4 ????娉ㄦ剰锛 ????int(n) ????1.鎸囧畾鏁存暟鍊肩殑鏄剧ず瀹藉害 ????2.瀹為檯鐨勫藉害灏忎簬鎸囧畾鍒楀藉害鏃讹紝浠庡乏渚у~婊″藉害 ????3.涓嶆敼鍙橀暱搴︼紝涓嶆敼鍙樻暟鍊艰寖鍥

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