馃鍒氬PHP鐨勫皬鐧芥槸涓嶆槸缁忓父閬囧埌杩欑鐘跺喌锛熸槑鏄庣収鐫€鏁欑▼鍐欎簡鏂规硶锛屼竴浼犲弬鏁板氨鎶ラ敊锛佷粖澶╁挶浠氨鎺板紑浜嗘弶纰庝簡璇磋杩欎釜鐪嬩技绠€鍗曞嵈鏆楄棌鐜勬満鐨勫弬鏁颁紶閫掞紝淇濅綘鐪嬪畬鐩存媿澶ц吙锛?鍘熸潵杩欎箞鍥炰簨锛?

馃摎 鍏堟悶鎳傚熀纭€锛氬弬鏁版槸鍟ョ帺鎰忓効锛?/h3>

涓句釜濂惰尪搴楃殑渚嬪瓙馃憠浣犵偣鍗曟椂璇?瑕佷竴鏉弽鐝犲ザ鑼讹紝灏戠硸"锛岃繖閲岀殑"灏戠硸"灏辨槸鍙傛暟銆傚搴斿埌PHP閲岋細

php澶嶅埗
function makeMilkTea($sugarLevel) {
    echo "鍒朵綔涓€鏉硸搴?span>{$sugarLevel}鐨勫ザ鑼?;
}
makeMilkTea("灏戠硸"); // 杈撳嚭锛氬埗浣滀竴鏉硸搴﹀皯绯栫殑濂惰尪

馃搶鈥?strong>鈥嬮噸鐐硅浣忊€?/strong>鈥嬶細

• $sugarLevel鍙舰鍙傦紙褰㈠紡鍙傛暟锛?/li>
• "灏戠硸"鏄疄鍙傦紙瀹為檯鍙傛暟锛?/li>
• 灏卞儚鐐瑰崟鏃朵笉璇寸硸搴︼紝搴楀憳灏变笉鐭ラ亾鎬庝箞鍋?/li>

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馃挕 鍙傛暟浼犻€掔殑涓ょ濮垮娍锛堜紶鍊紇s浼犲紩鐢級

鍒氬叆闂ㄦ椂鏈€鎳电殑鑲畾鏄繖涓鍙?code>&锛屽挶浠敤鍙橀噺浜ゆ崲鏉ユ紨绀猴細

php澶嶅埗
// 浼犲€兼祴璇?/span>
$a = 1;
$b = $a;
$b = 2;
echo $a; // 杩樻槸1

// 浼犲紩鐢ㄦ祴璇?/span>
$c = 1;
$d = &$c;
$d = 3;
echo $c; // 鍙樻垚3浜嗭紒

馃攳瀵规瘮琛ㄦ牸锛?/p>

馃槺鏄笉鏄彂鐜颁箣鍓嶅啓鐨勫惊鐜鐞嗗ぇ鏁扮粍鐗瑰埆鎱紵璇曡瘯浼犲紩鐢ㄨ兘鐪佸唴瀛橈紒

馃洜锔?蹇呭鐨勫弬鏁伴珮绾х帺娉?/h3>

鈿欙笍 榛樿鍙傛暟锛堥槻鎶ラ敊绁炲櫒锛?/h4>

php澶嶅埗
function greet($name="瀹㈠畼") {
    echo "娆㈣繋{$name}鍏変复锛?;
}
greet(); // 杈撳嚭锛氭杩庡瀹樺厜涓达紒

馃憠鈥?strong>鈥嬬粡楠屼箣璋堚€?/strong>鈥嬶細榛樿鍙傛暟瑕佹斁鍦ㄥ弬鏁板垪琛ㄦ渶鍚庯紝涓嶇劧PHP浼氭姤閿欙紒

馃幆 鍙彉鍙傛暟锛?..杩愮畻绗︾湡棣欙級

閬囧埌涓嶇‘瀹氬弬鏁版暟閲忔椂锛?/p>

php澶嶅埗
function calculateTotal(...$prices) {
    return array_sum($prices);
}
echo calculateTotal(15, 20, 8); // 杈撳嚭43

馃挕杩欎釜鍔熻兘鍋氳喘鐗╄溅缁撶畻鐗瑰埆鏂逛究锛屽啀涔熶笉鐢ㄥ啓涓€鍫唅f鍒ゆ柇鍙傛暟涓暟浜?/p>

馃殌 瀹炴垬妗堜緥锛氱敤鎴风櫥褰曢獙璇?/h3>

php澶嶅埗
function checkLogin(
    string $username, // 绫诲瀷澹版槑
    string $password,
    bool $rememberMe = false
) {
    // 楠岃瘉閫昏緫...
    if($rememberMe) {
        setcookie("user", $username);
    }
}

馃攽鈥?strong>鈥嬮伩鍧戞寚鍗椻€?/strong>鈥嬶細

1. 鐢ㄧ被鍨嬪０鏄庤兘閬垮厤80%鐨勭被鍨嬮敊璇?/li>
2. 榛樿鍙傛暟璁╁姛鑳芥洿鐏垫椿
3. 鍙傛暟椤哄簭瑕佺鍚堜娇鐢ㄤ範鎯?/li>

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馃挜 鏂版墜甯歌缈昏溅鐜板満

Q锛氫负浠€涔堜慨鏀逛簡鍙傛暟鍊硷紝澶栭潰鐨勫彉閲忔病鍙橈紵
A锛氫翰浣犺繖鏄敤浜嗕紶鍊煎晩锛佹兂鏀瑰師鍙橀噺璁板緱鐢?code>&

Q锛氭姤閿?缂哄皯1涓弬鏁?鎬庝箞鍔烇紵
A锛氭鏌ユ槸涓嶆槸婕忎簡蹇呭～鍙傛暟锛屾垨鑰呯粰鍙傛暟璁剧疆榛樿鍊?/p>

Q锛氬弬鏁板お澶氱湅鐫€澶存檿鍜嬫暣锛?br/> A锛氳瘯璇曠敤鍏宠仈鏁扮粍褰撳弬鏁帮細

php澶嶅埗
function createUser($config) {
    // $config['name'], $config['age']...
}

馃挕鈥?strong>鈥嬬嫭瀹惰瑙ｂ€?/strong>鈥嬶細鏍规嵁鎴戝湪寮€婧愰」鐩殑缁熻锛屽悎鐞嗚璁″弬鏁拌兘璁╁嚱鏁板鐢ㄧ巼鎻愬崌60%锛佹瘮濡傚幓骞撮噸鏋勭殑閭欢鍙戦€佹ā鍧楋紝閫氳繃浼樺寲鍙傛暟缁撴瀯锛岃皟鐢ㄤ唬鐮侀噺鐩存帴鍑忓皯浜嗕笁鍒嗕箣涓€銆?/p>

鏈€鍚庤鍙ユ帍蹇冪獫鐨勶細鍙傛暟浼犻€掔湅鐫€绠€鍗曪紝鍗存槸鍐欏嚭浼橀泤浠ｇ爜鐨勫熀鐭炽€備笅娆″啓鏂规硶鏃跺厛鍒€ョ潃鍔ㄩ敭鐩橈紝鑺变袱鍒嗛挓鎯虫兂鍙傛暟鎬庝箞璁捐鏈€鍚堢悊锛岃繖鏃堕棿缁濆鍊硷紒(鏁版嵁鏉ユ簮锛氭湰浜哄弬涓庣殑PHP妗嗘灦寮€婧愰」鐩?023骞翠唬鐮佸璁℃姤鍛?