array_search鍑芥暟鏄敤鏉ュ湪鏁扮粍涓悳绱㈡寚瀹氱殑鍊硷紝骞惰繑鍥炶鍊煎搴旂殑閿悕鐨勫嚱鏁般€傚畠鐨勪娇鐢ㄦ柟娉曞涓嬶細

mixed array_search ( mixed $needle , array $haystack [, bool $strict = false ] )

鍙傛暟璇存槑锛?/p>

• $needle锛氳鎼滅储鐨勫€笺€?/li>
• $haystack锛氳鎼滅储鐨勬暟缁勩€?/li>
• $strict锛堝彲閫夛級锛氭槸鍚︿娇鐢ㄤ弗鏍兼ā寮忚繘琛屾瘮杈冿紝榛樿涓篺alse銆傚鏋滆缃负true锛屽垯鎼滅储鏃朵細姣旇緝鏁版嵁绫诲瀷銆?/li>

杩斿洖鍊硷細

• 濡傛灉鎵惧埌鎸囧畾鍊硷紝鍒欒繑鍥炶鍊煎搴旂殑閿悕銆?/li>
• 濡傛灉娌℃湁鎵惧埌鎸囧畾鍊硷紝鍒欒繑鍥瀎alse銆?/li>

绀轰緥锛?/p>

$fruits = array("apple", "banana", "orange", "grape");

$key = array_search("banana", $fruits);
echo $key;  // 杈撳嚭 1

$key = array_search("apple", $fruits);
echo $key;  // 杈撳嚭 0

$key = array_search("watermelon", $fruits);
echo $key;  // 杈撳嚭 false

鍦ㄤ笂闈㈢殑绀轰緥涓紝鎴戜滑浣跨敤array_search鍑芥暟鎼滅储浜嗘暟缁?fruits涓殑鏌愪簺鍊笺€傚鏋滄壘鍒颁簡鎸囧畾鍊硷紝鍒欒繑鍥炶鍊煎搴旂殑閿悕锛涘鏋滄病鏈夋壘鍒帮紝鍒欒繑鍥瀎alse銆?/p>