{"id":182742,"date":"2020-10-30T21:08:21","date_gmt":"2020-10-30T13:08:21","guid":{"rendered":"http:\/\/4563.org\/?p=182742"},"modified":"2020-11-01T02:06:10","modified_gmt":"2020-10-31T18:06:10","slug":"php-%e7%9a%84%e8%bf%b7%e6%83%91%e8%a1%8c%e4%b8%ba-0-string-%e4%b8%ba%e4%bb%80%e4%b9%88%e8%bf%94%e5%9b%9e-true%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=182742","title":{"rendered":"PHP \u7684\u8ff7\u60d1\u884c\u4e3a 0 == ‘string’ \u4e3a\u4ec0\u4e48\u8fd4\u56de true\uff1f"},"content":{"rendered":"
\n
\n
\n

PHP \u7684\u8ff7\u60d1\u884c\u4e3a 0 == ‘string’ \u4e3a\u4ec0\u4e48\u8fd4\u56de true\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : krabs <\/span> <\/i> 0<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u4ee3\u7801\u7247\u6bb5\u4e2d\u6709\u4e00\u6bb5\u4ee3\u7801\u662f\u8fd9\u6837\u7684<\/p>\n

$p = 'auto'; if(intval($p) == $p){  \/\/ 0 == 'auto'  ...   \u7ed3\u679c\u8fd9\u4e2a\u6761\u4ef6\u5c45\u7136\u662f\u6210\u7acb\u7684\uff1f } <\/code><\/pre>\n
\u7136\u540e\u6211\u901a\u8fc7<\/p>\n
var_dump(  intval($width) == $width,  0=='auto1',  0=='string',  intval($width),  $width ); <\/code><\/pre>\n
\u7ed3\u679c\u8fd4\u56de<\/p>\n
bool(true) bool(true) bool(true) int(0) string(4) \"auto\" bool(false) <\/code><\/pre>\n
\u7136\u540e\u6211\u53c8\u53bb Js \u63a7\u5236\u53f0\u8bd5\u4e86\u4e00\u4e0b 0 == ‘string’ \u8fd4\u56de\u7684\u662f false<\/p>\n
\u4e3a\u4ec0\u4e48 int 0 \u4f1a\u7b49\u4e8e string ?<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (44<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : puzzle9 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5148\u4e86\u89e3\u4e0b == \u548c === \u533a\u522b
    \u518d\u8bf4\u8fd9\u4e2a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : krabs <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @puzzle9 \u6240\u4ee5=== \u548c\u4e0a\u9762\u7684\u5bf9\u6bd4\u6709\u4ec0\u4e48\u5173\u7cfb === \u662f\u5e26\u7c7b\u578b\u5bf9\u6bd4 int \u80af\u5b9a\u4e0d\u548c string \u6210\u7acb
    \u4f46\u662f\u95ee\u9898\u662f == \u4e0d\u8bba\u662f\u503c \u8fd8\u662f\u7c7b\u578b \u90fd\u4e0d\u6210\u7acb \u600e\u4e48\u8fd4\u56de true                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : jowan <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 https:\/\/www.php.net\/manual\/en\/language.operators.comparison.php                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : puzzle9 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @krabs \u8fd9\u5c31\u7275\u626f\u5230 php \u662f\u4e16\u754c\u4e0a\u6700\u597d\u7684\u8bed\u8a00 \u8bbe\u8ba1\u7684\u54f2\u5b66\u4e86
    \u4e0a\u90a3\u4e2a\u5b98\u65b9\u6587\u6863\u53ef\u4ee5\u7785\u7785                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : Chappako <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 0 \u662f int\uff0c”string” \u60f3\u8981\u548c 0 \u6bd4\u8f83\uff0c\u5c31\u8981\u5148\u8f6c\u6362\u6210 int\uff0c\u4f60\u81ea\u5df1\u8bd5\u8bd5 intval(‘string’)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : xoxo419 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 0 \u4e0e\u4efb\u4f55\u5b57\u7b26\u4e32\u8fdb\u884c == \u6bd4\u8f83\u65f6\u90fd\u4e3a true<\/p>\n
    \u67e5\u9605\u7684\u6587\u7ae0: https:\/\/www.cnblogs.com\/weiyalin\/p\/10388167.html                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : devwolf <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 #3 \u5b66\u5230\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : jay4497 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u811a\u672c\u7c7b\u8bed\u8a00\u5b58\u5728\u5f88\u591a\u7c7b\u578b\u9690\u5f0f\u8f6c\u6362\u7684\uff0c\u771f\u8981\u6bd4\u5c31\u7528 `===`                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : jowan <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5f88\u591a\u8bed\u6cd5\u662f\u4e0d\u80fd\u76f8\u5e76\u8bba\u7684 \u6bd4\u5982 js \u7684 ‘string’ || false
    \u5982\u679c\u4f60\u5bf9 PHP \u6216\u8005 JS \u4e0d\u592a\u719f\u6089 \u6700\u597d\u662f\u5feb\u901f\u770b\u4e0b\u4ed6\u7684\u57fa\u7840\u8bed\u6cd5
    \u6709\u5f88\u591a\u770b\u4f3c\u7c7b\u4f3c\u5374\u53c8\u4e0d\u540c\u7684\u4e1c\u897f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : eason1874 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 PHP == \u4e0d\u662f\u8bf4\u4e0d\u5e26\u7c7b\u578b\u6bd4\u8f83\uff0c== \u662f\u5148\u8f6c\u6362\u7c7b\u578b\u518d\u6bd4\u8f83\u3002<\/p>\n
    \u6570\u5b57\u6bd4\u8f83\u5b57\u7b26\u4e32\uff0c\u5b57\u7b26\u4e32\u5148\u88ab\u8f6c\u6362\u6210\u6570\u5b57\uff0c\u624d\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n
    0==’string’ \u7b49\u4e8e 0==0 \u6240\u4ee5\u662f true                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : impl <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u89e3\u91ca\u5668\u770b\u5230 0 ==\uff0c\u77e5\u9053\u4f60\u8981\u5bf9\u6bd4\u7684\u662f\u6570\u503c\uff0c\u6240\u4ee5\u5c31\u628a\u540e\u9762\u7684\u4e1c\u897f\u89e3\u6790\u4e3a\u6570\u503c\uff0c\u800c’string’\u53ea\u80fd\u89e3\u6790\u6210\u6570\u5b57 0                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : GuangXiN <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u56e0\u4e3a int == string \u4f1a\u89e6\u53d1\u81ea\u52a8\u7c7b\u578b\u8f6c\u6362\uff0cPHP \u4f1a\u628a\u6240\u6709\u975e\u6570\u503c\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a 0 \u3002<\/p>\n
    \u5c1d\u8bd5 var_dump((int) ‘abc’);                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : kuro1 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u597d\u7684 IDE \u4f1a\u63d0\u793a\u4f60\u662f\u5426\u8981\u7528 ===                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : duhui <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @xoxo419 
    php > var_dump(0 == ‘1aaa’);
    php shell code:1:
    bool(false)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : hhf <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @xoxo419 \u8001\u8001\u5b9e\u5b9e\u770b\u5b98\u65b9\u6587\u6863\u5427\uff0c\u5144\u5f1f<\/p>\n
    var_dump(1 == ‘2’);                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : hhf <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @hhf var_dump(0 == ‘2’)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : avenger <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6c38\u8fdc\u4e0d\u8981\u7528 ==\uff0c\u53ef\u4ee5\u52a0\u4e00\u4e2a php-cs-fix \u81ea\u52a8\u4fee\u590d                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : keepeye <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5148\u4e86\u89e3\u4e0b\u52a8\u6001\u8bed\u8a00\uff0c\u7c7b\u578b\u4e0d\u4e00\u81f4\u65f6\u662f\u5982\u4f55\u6bd4\u8f83\u7684\u5427
    \u540c\u6837\u662f\u5c06 str \u8f6c\u6210 int \u518d\u6bd4\u8f83\uff0c\u53ea\u662f js \u548c php \u7684\u8f6c\u6362\u903b\u8f91\u4e0d\u4e00\u6837<\/p>\n
    php: 
    0 == ‘auto1’ -> 0 == int(‘auto1’) -> 0 == 0 \/\/ true
    js:
    0 == ‘auto1’ -> 0 == parseInt(‘auto1’) –> 0 == NaN \/\/ false<\/p>\n
    \u4f60\u518d\u8bd5\u8bd5\u8fd9\u4e2a 123 == ‘123aaaaa’ \uff0cjs \u548c php \u5c31\u4e00\u81f4\u4e86                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : keepeye <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u53e6\u5916\u591a\u5634\u4e00\u53e5\uff0c\u4f7f\u7528 == \u6bd4\u8f83\u4e0d\u540c\u7c7b\u578b\u7684\u53d8\u91cf\u662f\u4e0d\u8d1f\u8d23\u4efb\u7684\u884c\u4e3a\uff0c\u5e94\u5f53\u907f\u514d                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : imdong <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 intval($p) == (int) $p                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : CODEWEA <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4f60\u7528 js \u7684\u8bed\u6cd5 \u6765\u63a8\u6d4b php \uff1f\u8fd9\u4e24\u79cd\u8bed\u8a00\u8bed\u6cd5\u90fd\u4e0d\u4e00\u6837\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : CODEWEA <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 0 == ‘string’ 
    \u7b49\u4e8e
    0==(int)(‘string’)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : Xusually <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8001\u95ee\u9898\u4e86\uff0cphp \u4f1a\u5c1d\u8bd5\u53bb\u8f6c\u5316\u5b57\u7b26\u4e32\u5230\u6570\u5b57\uff0c\u770b\u4e0b\u9762\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : est <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 PHP \u63a2\u6d4b\u4efb\u610f\u7f51\u7ad9\u5bc6\u7801\u660e\u6587 \/\u52a0\u5bc6\u624b\u6bb5\u529e\u6cd5\uff1amd5(‘240610708’) == md5(‘QNKCDZO’)<\/p>\n
     \/t\/188364                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : AngryPanda <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u60f3\u60f3 ‘0’ == ‘string’ \u5417\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : hubqin <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e4b\u524d\u88ab in_array \u5751\u8fc7\uff0c\u8981\u52a0\u7b2c\u4e09\u4e2a\u53c2\u6570\u4e3a true \u8fdb\u884c\u4e25\u683c\u6bd4\u8f83                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : des <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u90a3\u4f60\u8bd5\u8bd5 js \u7684\u8fd9\u4e2a 0 == ”\uff0c\u811a\u672c\u8bed\u8a00\u5c31\u662f\u4f1a\u6709\u5f88\u591a\u8fd9\u79cd\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : yafoo <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u524d\u6bb5\u65f6\u95f4\uff0c\u88ab\u8fd9\u4e2a\u7279\u6027\u5751\u60e8\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : Achiii <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8fd8\u6709\u8fd9\u79cd\u5751\uff0c\u4e0b\u6b21\u53ea\u7528\u5168\u7b49                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : a591826944 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @xoxo419 #6 \u9519\u3002\u3002\u662f \u975e 0 \u6570\u5b57\u5f00\u5934\u7684\u5b57\u7b26\u4e32                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : v2yooha <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 php \u7684\u9690\u5f0f\u8f6c\u6362\uff0c\u6211\u73b0\u5728\u6d89\u53ca\u6570\u5b57\u7c7b\u578b\u7684\u5224\u65ad\uff0c\u90fd\u4f1a\u5148\u628a\u4e24\u4e2a\u53c2\u6570 is_numeric \u4e00\u4e0b,\u90fd\u4e3a true \u624d\u6267\u884c\u540e\u7eed\uff0c\u6216\u8005\u76f4\u63a5\u7528===                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : v2yooha <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @est \u8fd9\u79cd\u4e0d\u90fd\u7528 hash_equals \u4e86\u5417                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : est <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @v2yooha \u53d1\u5e16\u7684\u90a3\u4e2a\u65f6\u5019\u8fd8\u6728\u6709\u3002\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : lovecy <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8981\u4e48\u7528 empty \u5224\u65ad\u7a7a\u503c\uff0c\u8981\u4e48\u7528\u5168\u7b49\u5224\u65ad\uff0c==\u8fd9\u79cd\u81ea\u5e26\u5404\u79cd\u8f6c\u6362\u7684\uff0c\u4e86\u89e3\u4e86\u89c4\u5219\u540e\u518d\u4f7f\u7528
    ==\u548c===\u7684 Map\uff1aphp.net\/manual\/zh\/types.comparisons.php
    \u6bd4\u8f83\u548c\u8f6c\u6362\u4f18\u5148\u7ea7\uff1aphp.net\/manual\/zh\/language.operators.comparison.php#language.operators.comparison.types                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : zencoding <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @xoxo419 “\u4efb\u4f55\u5b57\u7b26\u4e32”\u6709\u8bef\uff0c\u6bd4\u5982 intval(“32xxx23”);                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : abcd191898105 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6240\u4ee5\u8bf4 php \u5c31\u5f88\u79bb\u8c31\u4e86\uff0cjs \u7684\u8bdd\uff0c\u5c31\u662f\u8fd4\u56de false \u4e86\u3002\u6765\u73a9 js                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : fucker <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u770b\u5230\u6807\u9898\u6211\u5c31\u731c\u5230\u662f == \u548c === \u7684\u95ee\u9898\u4e86 \"PHP <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : mostkia <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6240\u4ee5\u6211\u7f16\u7a0b\u5df2\u7ecf\u5f88\u5c11\u7528==\u4e86\uff0c\u6709\u4e9b\u95ee\u9898\u5e76\u6ca1\u6709\u7b54\u6848\uff0c\u5c31\u662f\u8bed\u8a00\u8fd9\u6837\u8bbe\u8ba1\u7684\uff0c\u4f60\u5f97\u8e29\u8fc7\u65e0\u6570\u7684\u5751\u4e4b\u540e\u624d\u80fd\u7b97\u662f\u719f\u7ec3\u7684\u4f7f\u7528\u5b83\u3002==\u548c===\u7684\u95ee\u9898\u5728\u5404\u79cd\u8bed\u8a00\u4e2d\u90fd\u6709\u81ea\u5df1\u7684\u89e3\u91ca\u3002\u4e00\u822c\u8fd8\u662f\u63a8\u8350\u5b8c\u5168\u7b49\u4e8e\u53f7===\uff0c\u6392\u9664\u672a\u77e5\u7684\u95ee\u9898\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : yc8332 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e0d\u8fc7\u7c7b\u578b\u8fdb\u884c\u6bd4\u8f83\u3002\u4f60\u4e5f\u662f\u4eba\u624d\u4e86\u3002\u3002php \u7684\u7279\u6027\u5c31\u662f\u8fd9\u6837\uff0c\u53cd\u6b63\u4e5f\u4e0d\u62a5\u9519\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : xbchaonba <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @xoxo419 \u548c\u5927\u4e8e 0 \u5f00\u5934\u7684\u5e26\u6570\u5b57\u7684\u5b57\u7b26\u4e32\u6bd4\u5c31\u662f false \u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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     \u8cc7\u6df1\u5927\u4f6c : fuxkcsdn <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6211\u9879\u76ee\u91cc\uff0c\u9664\u975e\u4e00\u4e9b\u6781\u5176\u7279\u6b8a\u7684\u60c5\u51b5\uff08\u5fc5\u987b\u52a0\u6ce8\u91ca\uff09\uff0c\u8c01\u6562\u7528 == \u8fdb\u884c\u5224\u65ad\uff0c\u4f1a\u88ab\u6211\u62c9\u6765\u9a82\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : no1xsyzy <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @xbchaonba ‘0’ == ‘1e-10000000000000000’
    1 \u5f00\u5934\uff0c\u5e26\u6570\u5b57\uff0c\u6bd4\u8f83\u7ed3\u679c\u4e3a true
    https:\/\/tio.run\/##[email protected]\/fxr4go0ChLLEoPqU0t0BD3UBdwdZWQd0wVdfQAA2oa1or2Nv9\/w8A                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : qq1340691923 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e16\u754c\u4e0a\u6700\u597d\u7684\u8bed\u8a00                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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     \u8cc7\u6df1\u5927\u4f6c : xbchaonba <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @no1xsyzy \u725b\u6279\u79d1\u5b66\u8ba1\u6570\u6cd5\u90fd\u7528\u4e0a\u4e86\uff0c\u6da8\u77e5\u8bc6\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    PHP \u7684\u8ff7\u60d1\u884c\u4e3a 0 == &#…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/182742"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=182742"}],"version-history":[{"count":1,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/182742\/revisions"}],"predecessor-version":[{"id":182744,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/182742\/revisions\/182744"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=182742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=182742"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=182742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}