{"id":30317,"date":"2022-12-31T01:53:34","date_gmt":"2023-12-18T17:00:22","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/php%e5%bc%82%e5%b8%b8\/"},"modified":"2025-08-12T18:36:19","modified_gmt":"2025-08-12T10:36:19","slug":"php%e5%bc%82%e5%b8%b8","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/php%e5%bc%82%e5%b8%b8\/","title":{"rendered":"PHP\u5f02\u5e38"},"content":{"rendered":"<h1>\u9884\u5148\u5b9a\u4e49\u7684\u5f02\u5e38\u548cSPL\u5f02\u5e38PHP\u6709\u4e24\u79cd\u7c7b\u578b\u7684\u5f02\u5e38\uff1aPHP\u6838\u5fc3\u81ea\u8eab\u5b9a\u4e49\u7684\u5f02\u5e38\u548c\u6807\u51c6PHP\u5e93\uff08SPL\uff09\u4e2d\u6346\u7ed1\u7684SPL\u5f02\u5e38\u3002\u7531\u4e8eSPL\u662f\u9ed8\u8ba4\u5185\u7f6e\u7684\uff0c\u56e0\u6b64\u53ef\u4ee5\u4f5c\u4e3aPHP\u7684\u6807\u51c6\u529f\u80fd\u4f7f\u7528\uff0c\u4f46\u624b\u518c\u4e2d\u4e5f\u6709\u5355\u72ec\u7684\u9875\u9762\u4ecb\u7ecd\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5b9a\u7fa9\u6e08\u307f\u4f8b\u5916<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">SPL\u4f8b\u5916<\/ul>\n<h1>SPL\u4f8b\u5916SPL\u7684\u4f5c\u8005\u662fMarcus B\u00f6rger\u5148\u751f\uff0c\u4ed6\u66fe\u7ecf\u62c5\u4efb\u8fc7\u8bb8\u591a\u5305\u62ecPDO\u5728\u5185\u7684\u9886\u5bfc\u89d2\u8272\u3002\uff08\u8bf7\u53c2\u8003PECL\u7f51\u7ad9 https:\/\/pecl.php.net\/user\/helly\uff09Marcus\u5148\u751f\u4e3aSPL\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3aStandard PHP Library\u7684\u5e7b\u706f\u7247\uff0c\u5e76\u4ece\u4e2d\u9009\u53d6\u4e86\u4e24\u4e2a\u5173\u4e8e\u5f02\u5e38\u7684\u7247\u6bb5\u4f5c\u4e3a\u6837\u4f8b\u3002<\/p>\n<h2>\u300c\u5fc5\u987b\u9075\u5b88\u7684\u4e09\u4e2a\u89c4\u5219\u300d<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4f8b\u5916\u53ea\u5728\u7279\u6b8a\u60c5\u51b5\u4e0b\u4f7f\u7528 (Exceptions are only used in special cases)<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4e0d\u8981\u4e3a\u63a7\u5236\u6d41\u7a0b\u4f7f\u7528\u4f8b\u5916 (Do not use exceptions for control flow)<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u4e0d\u8981\u5c06\u53c2\u6570\u4f20\u9012\u65f6\u4f7f\u7528\u4f8b\u5916 (Do not use exceptions for parameter passing)<\/ol>\n<p>\u6709\u4e09\u6761\u89c4\u5219\uff0c\u4f46\u6211\u8ba4\u4e3a\u5b83\u7684\u542b\u4e49\u662f\u201c\u4f8b\u5916\u53ea\u5728\u771f\u6b63\u4f8b\u5916\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\uff0c\u800c\u4e0d\u5e94\u8be5\u7528\u4e8e\u5e38\u89c4\u63a7\u5236\u3002\u201d<\/p>\n<p>\u4f8b\u5916\u662f\u6307\u50cf\u4ee5\u4e0b\u8fd9\u6837\u7684\u60c5\u51b5\u3002\uff08\u6458\u81ea\u300aPHP\u4e2d\u7684\u5f02\u5e38\u6982\u8ff0\u300b\uff09<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u63a5\u7d9a\u3067\u304d\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Web API\u3092\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304b\u3063\u305f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u30a8\u30e9\u30fc<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\u3084\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30fc\u30b9\u30a8\u30e9\u30fc<\/ul>\n<h2>&#8220;\u521b\u9020\u7279\u522b\u7684\u4f8b\u5916&#8221;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4f8b\u5916\u306f&#8221;\u7279\u5225\u5316(specialization)\u3059\u3079\u304d \uff1d \u72ec\u81ea\u306e\u3082\u306e\u3092\u4f5c\u308b\u3079\u304d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u7d44\u307f\u8fbc\u307f\u306e\u4f8b\u5916\u3092\u62e1\u5f35\u3059\u308b (PHP\u30de\u30cb\u30e5\u30a2\u30eb: \u4f8b\u5916\u3092\u62e1\u5f35\u3059\u308b)<\/ul>\n<pre class=\"post-pre\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">YourException<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">Exception<\/span>\r\n<span class=\"p\">{<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5efa\u8bae\u60a8\u521b\u5efa\u4e00\u4e2a\u7ee7\u627f\u81ea\u5f02\u5e38\u7c7b\u7684FileNotExistException\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u4f7f\u7528\u5982\u4e0b\u6240\u793a\u7684RuntimeException\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"err\">\\<\/span><span class=\"nf\">RuntimeException<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"<\/span><span class=\"nv\">$file\u304c\u3042\u308a\u307e\u305b\u3093<\/span><span class=\"s2\">\"<\/span><span class=\"p\">);<\/span>   <span class=\"c1\">\/\/ OK<\/span>\r\n\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">FileNotExistsException<\/span> <span class=\"k\">extends<\/span> <span class=\"err\">\\<\/span><span class=\"nc\">RuntimeException<\/span>\r\n<span class=\"p\">{<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">FileNotExistsException<\/span><span class=\"p\">(<\/span><span class=\"nv\">$file<\/span><span class=\"p\">);<\/span>         <span class=\"c1\">\/\/ Better<\/span>\r\n<\/code><\/pre>\n<h1>LogicException\u4e0eRuntimeException\u7684\u533a\u522b\u5728PHP\u624b\u518c\u4e2d\uff0c\u5206\u522b\u63cf\u8ff0\u4e86\u4ee5\u4e0b\u5185\u5bb9\uff1a\u201c\u8868\u793a\u7a0b\u5e8f\u903b\u8f91\u5185\u7684\u9519\u8bef\u7684\u5f02\u5e38\u3002\u5982\u679c\u53d1\u751f\u8fd9\u79cd\u7c7b\u578b\u7684\u5f02\u5e38\uff0c\u5e94\u8be5\u4fee\u6539\u81ea\u5df1\u7f16\u5199\u7684\u4ee3\u7801\u201d\uff0c\u201c\u5f53\u53d1\u751f\u4ec5\u5728\u8fd0\u884c\u65f6\u53d1\u751f\u7684\u9519\u8bef\u65f6\u629b\u51fa\u201d\u3002\u7136\u800c\uff0c\u6b63\u5982\u8bb8\u591a\u4eba\u6240\u6307\u51fa\u7684\uff0c\u8fd9\u4e9b\u63cf\u8ff0\u5e76\u4e0d\u5bb9\u6613\u7406\u89e3\u3002Marcus\u5148\u751f\u7684\u89e3\u91ca\u66f4\u52a0\u660e\u786e\uff0c\u5e76\u9644\u6709\u5b9e\u9645\u793a\u4f8b\u3002<\/p>\n<p>LogicException\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u307e\u305f\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8a2d\u8a08\u3067\u691c\u51fa\u304c\u3067\u304d\u308b\u4f8b\u5916<\/p>\n<p>RuntimeException\u306f\u5b9f\u884c\u6642\u306e\u307f\u691c\u51fa\u3067\u304d\u308b\u4f8b\u5916\u3002\u5168\u3066\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u4f8b\u5916\u306e\u30d9\u30fc\u30b9\u30af\u30e9\u30b9<\/p>\n<p>\u5728\u68c0\u67e5\u4ee3\u7801\u65f6\u53ef\u4ee5\u53d1\u73b0\u7684\u5f02\u5e38\uff08\u5373bug\uff09\u88ab\u79f0\u4e3aLogicException\uff0c\u800c\u53ea\u6709\u5728\u6267\u884c\u7a0b\u5e8f\u65f6\u624d\u80fd\u53d1\u73b0\u7684\u5f02\u5e38\u88ab\u79f0\u4e3aRuntimeException\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u53ef\u4ee5\u5c06RuntimeException\u89c6\u4e3a\u7a0b\u5e8f\u6240\u4f9d\u8d56\u7684\u5916\u90e8\u6761\u4ef6\u6216\u8f93\u5165\u5bfc\u81f4\u7684\u5f02\u5e38\u3002<\/p>\n<h3>\u903b\u8f91\u5f02\u5e38\u7684\u4f8b\u5b50<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n<span class=\"k\">abstract<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">MyIteratorWrapper<\/span> <span class=\"kd\">implements<\/span> <span class=\"nc\">Iterator<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"nv\">$it<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">__construct<\/span><span class=\"p\">(<\/span><span class=\"kt\">Iterator<\/span> <span class=\"nv\">$it<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">it<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$it<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">__call<\/span><span class=\"p\">(<\/span><span class=\"nv\">$func<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$args<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"nv\">$callee<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">it<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$func<\/span><span class=\"p\">];<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nb\">is_callable<\/span><span class=\"p\">(<\/span><span class=\"nv\">$callee<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">BadMethodCallException<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ LogicException<\/span>\r\n        <span class=\"p\">}<\/span>\r\n\r\n        <span class=\"k\">return<\/span> <span class=\"nb\">call_user_func_array<\/span><span class=\"p\">(<\/span><span class=\"nv\">$callee<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$args<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8c03\u7528\u4e86\u4e0d\u5b58\u5728\u7684\u65b9\u6cd5\u662f\u5e94\u7528\u7a0b\u5e8f\u8bbe\u8ba1\u7684\u95ee\u9898\u3002\u901a\u8fc7\u5728\u6267\u884c\u4e4b\u524d\u68c0\u67e5\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u68c0\u6d4b\u5230\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<h3>\u8fd0\u884c\u65f6\u5f02\u5e38\u7684\u4f8b\u5b50<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$fo<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">SplFileObject<\/span><span class=\"p\">(<\/span><span class=\"nv\">$file<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ RuntimeException<\/span>\r\n<\/code><\/pre>\n<p>\u6587\u4ef6\u53ef\u80fd\u65e0\u6cd5\u8bbf\u95ee\uff0c\u4e5f\u53ef\u80fd\u4e0d\u5b58\u5728\u3002\u4f46\u7a0b\u5e8f\u672c\u8eab\u6ca1\u6709\u9519\u8bef\u3002\u5982\u679c\u65e0\u6cd5\u6253\u5f00\u6587\u4ef6\uff0cSplFileObject\u5c06\u4f1a\u5f15\u53d1RuntimeException\u5f02\u5e38\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$fo<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">SplFileObject<\/span><span class=\"p\">(<\/span><span class=\"nv\">$file<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nv\">$fo<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">setFlags<\/span><span class=\"p\">(<\/span><span class=\"nc\">SplFileObject<\/span><span class=\"o\">::<\/span><span class=\"no\">DROP_NEWLINE<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nv\">$data<\/span> <span class=\"o\">=<\/span> <span class=\"k\">array<\/span><span class=\"p\">();<\/span>\r\n<span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$fo<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$l<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"cd\">\/*** CHECK DATA ***\/<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Exception<\/span><span class=\"p\">(();<\/span> <span class=\"c1\">\/\/ RuntimeException<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"nv\">$data<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$l<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u4f7f\u7528\u4e86\u5916\u90e8\u6587\u4ef6\uff0c\u6bcf\u6b21\u8bfb\u53d6\u6570\u636e\u65f6\u90fd\u4f1a\u53d1\u751f\u53d8\u5316\u3002\u8fd9\u662f\u8fd0\u884c\u65f6\u5f02\u5e38\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"o\">!<\/span><span class=\"nb\">preg_match<\/span><span class=\"p\">(<\/span><span class=\"nv\">$regex<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$l<\/span><span class=\"p\">)<\/span>                 <span class=\"c1\">\/\/ UnexpectValueException<\/span>\r\n<span class=\"nb\">count<\/span><span class=\"p\">(<\/span><span class=\"nv\">$l<\/span><span class=\"o\">=<\/span><span class=\"nb\">split<\/span><span class=\"p\">(<\/span><span class=\"s1\">','<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$l<\/span><span class=\"p\">))<\/span> <span class=\"o\">!=<\/span><span class=\"mi\">3<\/span>            <span class=\"c1\">\/\/ RangeException<\/span>\r\n<span class=\"nb\">count<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span><span class=\"p\">)<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">10<\/span><span class=\"p\">)<\/span>                      <span class=\"c1\">\/\/ UnderflowException<\/span>\r\n<span class=\"nb\">count<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span><span class=\"p\">)<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">99<\/span><span class=\"p\">)<\/span>                      <span class=\"c1\">\/\/ OverflowException<\/span>\r\n<span class=\"nb\">count<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span><span class=\"p\">)<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">10<\/span> <span class=\"o\">||<\/span> <span class=\"nb\">count<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span><span class=\"p\">)<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">99<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/ OutOfBoundsException<\/span>\r\n<\/code><\/pre>\n<p>\u6240\u6709\u8fd9\u4e9b\u4e5f\u90fd\u662fRuntimeException\u3002<\/p>\n<h3>\u4e00\u4e2a\u6df7\u6742\u7684\u4f8b\u5b50<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$fo<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">SplFileObject<\/span><span class=\"p\">(<\/span><span class=\"nv\">$file<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ RuntimeException<\/span>\r\n<span class=\"nv\">$fo<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">setFlags<\/span><span class=\"p\">(<\/span><span class=\"nc\">SplFileObject<\/span><span class=\"o\">::<\/span><span class=\"no\">DROP_NEWLINE<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nv\">$data<\/span> <span class=\"o\">=<\/span> <span class=\"k\">array<\/span><span class=\"p\">();<\/span>\r\n<span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$fo<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$l<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nb\">preg_match<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\/\\d,\\d\/'<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$l<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">UnexpectedValueException<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ RuntimeException<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"nv\">$data<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$l<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nb\">count<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span><span class=\"p\">)<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">10<\/span><span class=\"p\">)<\/span> <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">UnderflowException<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ RuntimeException<\/span>\r\n<span class=\"c1\">\/\/ maybe more precessing code<\/span>\r\n<span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nb\">count<\/span><span class=\"p\">(<\/span><span class=\"nv\">$v<\/span><span class=\"p\">)<\/span> <span class=\"o\">!==<\/span> <span class=\"mi\">2<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">DomainException<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/ LogicException<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"nv\">$v<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]<\/span> <span class=\"o\">*<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">];<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8fdb\u884c\u4e58\u6cd5\u8fd0\u7b97\u65f6\uff0c\u9700\u8981\u6ee1\u8db3&#8221;\u5fc5\u987b\u6709\u4e24\u4e2a\u6570\u5b57&#8221;\u7684\u524d\u63d0\u6761\u4ef6\uff0c\u5426\u5219\u4f1a\u629b\u51fa\u6570\u636e\u57df\u7684\u5f02\u5e38\u3002<\/p>\n<p>\u6ce8\uff1a\u6709\u4eba\u6307\u51fa DomainException \u7684\u8bf4\u660e\u4e0d\u591f\u6e05\u6670\uff08#47097\uff09\uff0c\u56e0\u6b64\u6709\u4e86\u6dfb\u52a0\u8bf4\u660e\u7684\u7ecf\u8fc7\uff08#291058\uff09\u3002\u5728\u7528\u6237\u624b\u518c\u7684\u7528\u6237\u6ce8\u610f\u4e8b\u9879\u4e2d\uff0c\u6709\u5173&#8221;0 \u4e0d\u662f\u9664\u6570&#8221;\u3001&#8221;\u201c\u66dc\u65e5\u201d\u4e2d\u4e0d\u5b58\u5728 foo&#8221;\u7b49\u5904\u7406\u6570\u636e\u4e0d\u5c5e\u4e8e\u5176\u5904\u7406\u8303\u56f4\uff08\u5373\u6570\u636e\u57df\uff09\u7684\u5f02\u5e38\u5df2\u7ecf\u8fdb\u884c\u4e86\u89e3\u91ca\u8bf4\u660e\u3002<\/p>\n<p>LogicException\u5728\u751f\u4ea7\u7f51\u7ad9\u4e2d\u4e0d\u5e94\u8be5\u629b\u51fa\u7684\u5f02\u5e38\uff0cRuntimeException\u53ef\u4ee5\u8bf4\u662f\u5728\u751f\u4ea7\u7f51\u7ad9\u4e2d\u53ef\u80fd\u4f1a\u629b\u51fa\u7684\u5f02\u5e38\u3002<\/p>\n<h1>\u8d85\u51fa\u8303\u56f4\u5f02\u5e38\u548c\u8d8a\u754c\u5f02\u5e38\u7684\u533a\u522b\u8fd9\u4e24\u4e2a\u4f8b\u5916\u5728\u540d\u5b57\u548c\u4f5c\u7528\u65b9\u9762\u90fd\u5f88\u76f8\u4f3c\u3002<\/p>\n<blockquote><p>\u8d85\u51fa\u7bc4\u570d\u7570\u5e38 &#8211; \u7576\u8981\u6c42\u7121\u6548\u7684\u7d22\u5f15\u6642\u629b\u51fa\u7684\u7570\u5e38\uff0c\u5fc5\u9808\u5728\u7de8\u8b6f\u6642\u6aa2\u6e2c\u5230\u3002\uff08\u908f\u8f2f\u7570\u5e38\uff09<br \/>\n\u8d85\u51fa\u7bc4\u570d\u7570\u5e38 &#8211; \u7576\u503c\u4e0d\u662f\u6709\u6548\u7684\u9375\u6642\u629b\u51fa\u7684\u7570\u5e38\uff0c\u9019\u662f\u4e00\u500b\u5728\u7de8\u8b6f\u6642\u7121\u6cd5\u6aa2\u6e2c\u5230\u7684\u932f\u8aa4\u3002\uff08\u904b\u884c\u6642\u7570\u5e38\uff09<\/p><\/blockquote>\n<p>\u5f53\u8003\u8651\u5230\u8fd9\u4e9b\u533a\u522b\u7684\u65f6\u5019\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u50cf\u8003\u8651LogicException\/RuntimeException\u7684\u4f7f\u7528\u65b9\u5f0f\u4e00\u6837\u6765\u601d\u8003\u3002<\/p>\n<p>\u5728\u4ec5\u4f7f\u7528\u4ee3\u7801\u786e\u5b9a\u8303\u56f4\u7684\u60c5\u51b5\u4e0b\uff0c\u8fdd\u53cd\u8be5\u8303\u56f4\u7684\u60c5\u51b5\u88ab\u79f0\u4e3aOutOfRangeException\u3002\u5728\u8fd0\u884c\u65f6\uff0c\u5982\u679c\u6570\u636e\u88ab\u5916\u90e8\u8bfb\u53d6\uff0c\u4ece\u800c\u4f7f\u7528\u4e86\u65e0\u6548\u7684\u952e\uff0c\u6216\u8005\u5728\u8fd0\u884c\u65f6\u53d1\u73b0\u4e86\u8d85\u51fa\u8303\u56f4\u7684\u60c5\u51b5\uff0c\u90a3\u4e48\u5c31\u79f0\u4e3aOutOfBoundsException\u3002\u867d\u7136OutOfRangeException\u662f\u4e00\u4e2a\u9519\u8bef\uff0c\u4f46OutOfBoundsException\u662f\u6839\u636e\u6267\u884c\u6761\u4ef6\u629b\u51fa\u7684\u5f02\u5e38\u3002<\/p>\n<h1>SPL\u4f8b\u5916\u4f7f\u7528\u7684\u5229\u5f0a\u5f53\u8003\u8651\u5230SPL\u4f8b\u5916\u7684\u4e0d\u8db3\u4e4b\u5904\u65f6\uff0c\u6b63\u5982SPL\u6539\u8fdb\u4e2d\u6240\u6307\u51fa\u7684\u90a3\u6837\uff0c\u6587\u6863\u53ef\u80fd\u4e0d\u591f\u5145\u8db3\uff0c\u4e5f\u8bb8\u4e0d\u80fd\u4f5c\u4e3a\u5f00\u53d1\u8005\u7684\u5171\u540c\u8bed\u8a00\u3002<\/p>\n<p>\u5728\u8bb8\u591a\u5e93\u548c\u6846\u67b6\u4e2d\uff0c\u4f7f\u7528SPL\u5f02\u5e38\u7684\u60c5\u51b5\u5f88\u5e38\u89c1\uff0c\u800c\u4e14\u6709\u8bb8\u591a\u535a\u5ba2\u6587\u7ae0\u4e5f\u63a8\u8350\u8fd9\u79cd\u7528\u6cd5\u3002\u7136\u800c\uff0c\u5728\u8fd9\u4e2a\u95ee\u9898\u4e0a\u4e5f\u6709\u4e00\u4e9b\u76f8\u53cd\u7684\u610f\u89c1\uff0c\u867d\u7136\u4ed6\u4eec\u662f\u5c11\u6570\u6d3e\u3002\u6211\u5728StackOverflow\u4e0a\u770b\u5230\u8fc7@go_oh\u7528\u6237\u53d1\u8868\u4e86\u7c7b\u4f3c\u7684\u770b\u6cd5\u3002<\/p>\n<blockquote><p>\u4f46\u662f\u8001\u5b9e\u8bf4\uff0cSPL\u7684\u5f02\u5e38\u5c42\u7ea7\u7ed3\u6784\u771f\u7684\u5f88\u6df7\u4e71\u3002\u6240\u4ee5\uff0c\u6211\u89c9\u5f97\u4f60\u53ef\u4ee5\u81ea\u5df1\u521b\u5efa\u4f60\u559c\u6b22\u7684\u5f02\u5e38\uff08\u6269\u5c55Exception\u7c7b\uff09\u3002<\/p><\/blockquote>\n<p>PHP\u8fd0\u884c\u65f6\u6216\u903b\u8f91\u5f02\u5e38\u7684\u95ee\u9898\u5728stackoverflow\u4e0a\u7684\u89e3\u7b54\uff1ahttp:\/\/stackoverflow.com\/questions\/14171714\/php-runtime-or-logic-exception<\/p>\n<p>\u6211\u4e2a\u4eba\u957f\u671f\u4ee5\u6765\u4e00\u76f4\u4f7f\u7528SPL\u5f02\u5e38\uff0c\u4f46\u540c\u65f6\u6211\u4e5f\u8ba4\u540cGordon\u5148\u751f\u7684\u89c2\u70b9\u3002\u5b9e\u9645\u4e0a\uff0cAuraPHP\u4e5f\u672a\u4f7f\u7528SPL\u5f02\u5e38\uff0c\u800c\u662f\u4ecePHP\u5185\u7f6e\u7684\\Exception\u7c7b\u7ee7\u627f\u4e86\u6240\u6709\u81ea\u5b9a\u4e49\u5f02\u5e38\uff0c\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u5e72\u51c0\u4e14\u529f\u80fd\u5b8c\u5584\u3002<\/p>\n<h1>\u603b\u7ed3<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">PHP\u306b\u306fSPL\u3068\u3057\u3066\u968e\u5c64\u69cb\u9020\u3092\u6301\u3063\u305f\u4f8b\u5916\u6a5f\u69cb\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u4ed6\u306eSPL\u540c\u69d8\u306bSPL\u4f8b\u5916\u306e\u5229\u7528\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u3002\u307e\u305f\u4f8b\u5916\u306e\u8003\u3048\u65b9\u306f\u8a00\u8a9e\u3084\u4f7f\u7528\u8005\u306b\u3068\u3063\u3066\u591a\u69d8\u3067\u3001\u591a\u304f\u306e\u30c7\u30a3\u30b9\u30ab\u30c3\u30b7\u30e7\u30f3\u3084\u610f\u898b\u304c\u3042\u308a\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Exceptions are exceptions\u3068\u3044\u3046\u8003\u3048\u65b9\u306f\u5927\u5207\u3067\u3059\u3002\u4f8b\u5916\u3092goto\u306e\u4ee3\u308f\u308a\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4f4d\u7f6e\u3092\u5909\u3048\u308b\u305f\u3081\u306b\u4f7f\u3063\u305f\u308a\u3001swtich\u3084if\u306e\u4ee3\u308f\u308a\u306b\u4f7f\u3046\u306e\u306fcontrol flow\u306e\u305f\u3081\u306b\u4f8b\u5916\u3092\u4f7f\u3063\u3066\u3044\u308b\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002\u5024\u3092\u6e21\u3059\u305f\u3081\u306e\u4f7f\u3046\u306e\u3082\u540c\u69d8\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u300c\u66f8\u304d\u8fbc\u307f\u6a29\u9650\u304c\u3042\u308a\u307e\u305b\u3093\u300d\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u3067\u4f8b\u5916\u3092\u6587\u3067\u8aac\u660e\u3057\u306a\u3044\u3067\u3001\u7279\u5225\u306a\u30a8\u30e9\u30fc\u30af\u30e9\u30b9(NotWritableException)\u3067\u533a\u5225\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\uff08\u30c9\u30e1\u30a4\u30f3\u56fa\u6709\u306e\u4f8b\u5916\u3092\u305d\u308c\u305e\u308c\u7528\u610f\u3059\u308c\u3070\u3001Exceptions\u30d5\u30a9\u30eb\u30c0\u3092\u898b\u308c\u3070\u305d\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3069\u306e\u3088\u3046\u306a\u4f8b\u5916\u304c\u8d77\u3053\u308a\u5f97\u308b\u306e\u304b\u304c\u5206\u304b\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\uff09<\/ul>\n<h2>\u53c2\u8003\u8d44\u6599<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Standard PHP Library\u30b9\u30e9\u30a4\u30c9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Exceptional PHP: Introduction to Exceptions<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">SPL Improvements: Exceptions<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">An Overview of Exceptions in PHP<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4f8b\u5916 Advent Calendar 2014<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">OutOfRangeException vs. OutOfBoundsException<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u9884\u5148\u5b9a\u4e49\u7684\u5f02\u5e38\u548cSPL\u5f02\u5e38PHP\u6709\u4e24\u79cd\u7c7b\u578b\u7684\u5f02\u5e38\uff1aPHP\u6838\u5fc3\u81ea\u8eab\u5b9a\u4e49\u7684\u5f02\u5e38\u548c\u6807\u51c6PHP\u5e93\uff08SPL\uff09\u4e2d\u6346\u7ed1\u7684SP [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30317","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PHP\u5f02\u5e38 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8ePHP\u5f02\u5e38\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/php\u5f02\u5e38\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PHP\u5f02\u5e38\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8ePHP\u5f02\u5e38\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/php\u5f02\u5e38\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-12-18T17:00:22+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-12T10:36:19+00:00\" \/>\n<meta name=\"author\" content=\"\u6e05, \u5b87\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6e05, \u5b87\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" 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