濡備綍閫氳繃PHP strripos瀹炵幇楂樻晥鎼滅储
扬州沐宇科技
2024-06-24 21:36:32
PHP
浣跨敤PHP涓殑strripos鍑芥暟鍙互瀹炵幇楂樻晥鎼滅储锛岃鍑芥暟鐢ㄤ簬鍦ㄥ瓧绗︿覆涓煡鎵炬寚瀹氬瓧绗︿覆鐨勬渶鍚庝竴娆″嚭鐜扮殑浣嶇疆锛堜笉鍖哄垎澶у皬鍐欙級銆?/p>
浠ヤ笅鏄竴涓ず渚嬩唬鐮侊紝婕旂ず濡備綍浣跨敤strripos鍑芥暟瀹炵幇楂樻晥鎼滅储锛?/p>
// 瑕佹悳绱㈢殑瀛楃涓?/span>
$haystack = "The quick brown fox jumps over the lazy dog";
// 瑕佹悳绱㈢殑鍏抽敭璇?/span>
$needle = "fox";
// 浣跨敤strripos鍑芥暟杩涜鎼滅储
$position = strripos($haystack, $needle);
// 妫€鏌ユ悳绱㈢粨鏋?/span>
if ($position !== false) {
echo "鍏抽敭璇?'$needle' 鏈€鍚庡嚭鐜扮殑浣嶇疆涓? $position";
} else {
echo "鍏抽敭璇?'$needle' 鏈壘鍒?quot;;
}
鍦ㄤ笂闈㈢殑绀轰緥涓紝strripos鍑芥暟浼氬拷鐣ュ瓧绗︿覆澶у皬鍐欙紝骞惰繑鍥炲叧閿瘝 鈥渇ox鈥?鍦ㄥ瓧绗︿覆涓渶鍚庡嚭鐜扮殑浣嶇疆銆傚鏋滄壘鍒颁簡鍏抽敭璇嶏紝鍒欎細杈撳嚭鍏抽敭璇嶆渶鍚庡嚭鐜扮殑浣嶇疆锛涘鏋滄湭鎵惧埌锛屽垯浼氳緭鍑烘湭鎵惧埌鐨勬秷鎭€?/p>
閫氳繃浣跨敤strripos鍑芥暟锛屽彲浠ュ疄鐜伴珮鏁堢殑鎼滅储鍔熻兘锛岀壒鍒€傜敤浜庨渶瑕佸拷鐣ュぇ灏忓啓鐨勬儏鍐点€?/p>
