技术问答php trim()鏂规硶鍜屾鍒欒〃杈惧紡缁撳悎浣跨敤 - 扬州沐宇科技

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沐宇首页互联网技术知识问答 php trim()鏂规硶鍜屾鍒欒〃杈惧紡缁撳悎浣跨敤

扬州沐宇科技

2024-06-24 21:07:25

PHP

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$string = "   Hello, world!   ";
$trimmedString = trim(preg_replace('/\s+/', ' ', $string));

echo $trimmedString; // Output: "Hello, world!"

鍦ㄨ繖涓緥瀛愪腑锛屾鍒欒〃杈惧紡/\s+/鍖归厤涓€涓垨澶氫釜绌烘牸鎴栨崲琛岀锛岀劧鍚庝娇鐢?code>trim()鏂规硶鍘婚櫎瀛楃涓蹭袱绔殑绌烘牸锛屾渶缁堝緱鍒版竻鐞嗗悗鐨勫瓧绗︿覆銆?/p>