{"id":190440,"date":"2013-08-17T22:15:03","date_gmt":"2013-08-17T18:15:03","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=190440"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=190440","title":{"rendered":"<span class=\"post_title\">\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0435 \u043b\u0438 \u0432\u044b \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u043d\u0435\u0441\u0442\u0440\u043e\u0433\u043e\u0433\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f (&quot;==&quot;) \u0432 PHP?<\/span>"},"content":{"rendered":"<div class=\"content html_format\">   \t\u0418\u0437-\u0437\u0430 \u0442\u043e\u0433\u043e, \u0447\u0442\u043e \u0432 PHP \u043f\u0440\u0438 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0438 \u0441\u0442\u0440\u043e\u043a \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 &quot;==&quot; \u043f\u044b\u0442\u0430\u0435\u0442\u0441\u044f \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u044c \u0438\u0445 \u0432 \u0447\u0438\u0441\u043b\u0430 <sup><a href=\"http:\/\/www.php.net\/manual\/en\/language.operators.comparison.php\">[1]<\/a><a href=\"http:\/\/phpsadness.com\/sad\/47\">[2]<\/a><\/sup> (\u0434\u0430\u0436\u0435, <strong>\u0435\u0441\u043b\u0438 \u043e\u0431\u0430 \u043e\u043f\u0435\u0440\u0430\u043d\u0434\u0430 \u2014 \u0441\u0442\u0440\u043e\u043a\u0438<\/strong>), \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043f\u043e\u0440\u043e\u0439 \u043c\u043e\u0436\u0435\u0442 \u043e\u043a\u0430\u0437\u0430\u0442\u044c\u0441\u044f \u043d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u044b\u043c:  <\/p>\n<pre><code class=\"php\">&lt;?php var_dump('123' == '       123'); \/\/ true var_dump('1e3' == '1000'); \/\/ true var_dump('+74951112233' == '74951112233'); \/\/ true var_dump('00000020' == '0000000000000000020'); \/\/ true var_dump('0X1D' == '29E0'); \/\/ true var_dump('0xafebac' == '11529132'); \/\/ true var_dump('0xafebac' == '0XAFEBAC'); \/\/ true var_dump('0xeb' == '+235e-0'); \/\/ true var_dump('0.235' == '+.235'); \/\/ true var_dump('0.2e-10' == '2.0E-11'); \/\/ true var_dump('61529519452809720693702583126814' == '61529519452809720000000000000000'); \/\/ true \u0432 php &lt; 5.4.4 <\/code><\/pre>\n<p>  <a name=\"habracut\"><\/a>\u041f\u043e\u0434\u043e\u0431\u043d\u043e\u0435 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u0442\u0430\u043a\u0436\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0438 \u0432 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u0445. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432 <a href=\"http:\/\/php.net\/in_array\">in_array<\/a>:  <\/p>\n<pre><code class=\"php\">&lt;?php $_GET['fileId'] = '0X1D'; \/\/ ... $privateFileIds = array('29E0'); if (in_array(@$_GET['fileId'], $privateFileIds)) { \tprint 'Access deny'; \texit; }  \/\/ \u0412\u044b\u0432\u0435\u0434\u0435\u0442 &quot;Access deny&quot;, \u0442.\u043a. \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 &quot;$strict&quot; \u0443 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 &quot;in_array&quot; \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0440\u0430\u0432\u0435\u043d &quot;false&quot; <\/code><\/pre>\n<p>  \u0420\u0435\u0448\u0435\u043d\u0438\u0435\u043c \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u043c\u043e\u0436\u0435\u0442 \u0441\u043b\u0443\u0436\u0438\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0442\u0440\u043e\u0433\u043e\u0439 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043d\u0430 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0435:  <\/p>\n<pre><code class=\"php\">\/\/ \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0438\u0434\u0435\u043d\u0442\u0438\u0447\u043d\u043e\u0441\u0442\u0438 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e \u0441 \u044f\u0432\u043d\u044b\u043c \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u0438\u0435\u043c \u043e\u043f\u0435\u0440\u0430\u043d\u0434\u043e\u0432 \u043a \u0441\u0442\u0440\u043e\u043a\u043e\u0432\u043e\u043c\u0443 \u0442\u0438\u043f\u0443 (string) $aaa === (string) $bbb;  \/\/ \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 &quot;strcmp&quot; strcmp($aaa, $bbb) == 0;  \/\/ \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430 &quot;$strict&quot; \u0441\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c &quot;true&quot; \u0432 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u0445 in_array((string) $aaa, $array, true); <\/code><\/pre>\n<p>  <em>\u041f\u043e\u0434 \u0441\u0442\u0440\u043e\u0433\u043e\u0439 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u043e\u0439 \u0437\u0434\u0435\u0441\u044c \u043f\u043e\u0434\u0440\u0430\u0437\u0443\u043c\u0435\u0432\u0430\u0435\u0442\u0441\u044f \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u043e\u043f\u0435\u0440\u0430\u043d\u0434\u043e\u0432 \u043e\u0434\u043d\u043e\u0433\u043e \u0442\u0438\u043f\u0430 \u0438\u0441\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043f\u043e \u043f\u0440\u0430\u0432\u0438\u043b\u0430\u043c \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u0442\u0438\u043f\u0430.<\/em>  \t\t\t\t<\/p>\n<div class=\"polling\">\n<form action=\"\/json\/polling\/\" class=\"poll\" method=\"post\">\n<div class=\"poll_title\">\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0435 \u043b\u0438 \u0432\u044b \u0434\u043b\u044f \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0441\u0442\u0440\u043e\u043a \u043d\u0435\u0441\u0442\u0440\u043e\u0433\u0443\u044e \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0443 \u043d\u0430 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0435 (\u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 &quot;==&quot;, \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 &quot;$strict&quot; \u0441\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c false \u0438 \u0442.\u043f.)?<\/div>\n<p>  \t\t<input type=\"hidden\" name=\"post_id\" value=\"190440\"\/> \t\t<input type=\"hidden\" name=\"polling_question_id\" value=\"8714\"\/>  \t\t<\/p>\n<table class=\"answer\">\n<tr>\n<td class=\"input\"> \t\t\t\t\t<input type=\"radio\" id=\"vv44588\" \t\t\t\t\t\tclass=\"radio js-field-data\" \t\t\t\t\t\tname=\"variant[]\" \t\t\t\t\t\tvalue=\"44588\" \/> \t\t\t\t<\/td>\n<td class=\"label\"> \t\t\t\t\t<label for=\"vv44588\">\u0434\u0430, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e, \u043e \u043f\u043e\u0434\u0432\u043e\u0434\u043d\u044b\u0445 \u043a\u0430\u043c\u043d\u044f\u0445 \u043d\u0435 \u0437\u043d\u0430\u043b<\/label> \t\t\t\t<\/td>\n<\/tr>\n<tr>\n<td class=\"input\"> \t\t\t\t\t<input type=\"radio\" id=\"vv44590\" \t\t\t\t\t\tclass=\"radio js-field-data\" \t\t\t\t\t\tname=\"variant[]\" \t\t\t\t\t\tvalue=\"44590\" \/> \t\t\t\t<\/td>\n<td class=\"label\"> \t\t\t\t\t<label for=\"vv44590\">\u0434\u0430, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e, \u043e \u043f\u043e\u0434\u0432\u043e\u0434\u043d\u044b\u0445 \u043a\u0430\u043c\u043d\u044f\u0445 \u0437\u043d\u0430\u044e, \u043d\u043e \u043d\u0435 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u044e \u0438\u0445 \u0432 \u0440\u0430\u0441\u0447\u0451\u0442<\/label> \t\t\t\t<\/td>\n<\/tr>\n<tr>\n<td class=\"input\"> \t\t\t\t\t<input type=\"radio\" id=\"vv44592\" \t\t\t\t\t\tclass=\"radio js-field-data\" \t\t\t\t\t\tname=\"variant[]\" \t\t\t\t\t\tvalue=\"44592\" \/> \t\t\t\t<\/td>\n<td class=\"label\"> \t\t\t\t\t<label for=\"vv44592\">\u0434\u0430, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e, \u043e \u043f\u043e\u0434\u0432\u043e\u0434\u043d\u044b\u0445 \u043a\u0430\u043c\u043d\u044f\u0445 \u0437\u043d\u0430\u044e \u0438 \u043f\u0440\u0438 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e \u0441\u0442\u0440\u043e\u0433\u0443\u044e \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0443 \u043d\u0430 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0435<\/label> \t\t\t\t<\/td>\n<\/tr>\n<tr>\n<td class=\"input\"> \t\t\t\t\t<input type=\"radio\" id=\"vv44594\" \t\t\t\t\t\tclass=\"radio js-field-data\" \t\t\t\t\t\tname=\"variant[]\" \t\t\t\t\t\tvalue=\"44594\" \/> \t\t\t\t<\/td>\n<td class=\"label\"> \t\t\t\t\t<label for=\"vv44594\">\u043d\u0435\u0442, \u0432\u0441\u0435\u0433\u0434\u0430 \u0438 \u0432\u043e \u0432\u0441\u0435\u0445 \u0441\u043b\u0443\u0447\u0430\u044f\u0445 \u0434\u043b\u044f \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0441\u0442\u0440\u043e\u043a \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u0442\u0440\u043e\u0433\u0443\u044e \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0443 \u043d\u0430 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0435 (\u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 &quot;===&quot; \u0441 \u0440\u0443\u0447\u043d\u044b\u043c \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u0438\u0435\u043c \u0442\u0438\u043f\u043e\u0432, \u0444\u0443\u043d\u043a\u0446\u0438\u044e &quot;strcmp&quot;, \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 &quot;$strict&quot; \u0441 \u0440\u0443\u0447\u043d\u044b\u043c \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u0438\u0435\u043c \u0442\u0438\u043f\u043e\u0432 \u0438 \u0442.\u043f.)<\/label> \t\t\t\t<\/td>\n<\/tr>\n<\/table>\n<p class=\"for_users_only_msg\">\u0422\u043e\u043b\u044c\u043a\u043e \u0437\u0430\u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u043c\u043e\u0433\u0443\u0442 \u0443\u0447\u0430\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c \u0432 \u043e\u043f\u0440\u043e\u0441\u0435. <a href=\"https:\/\/auth.habrahabr.ru\/login\/\">\u0412\u043e\u0439\u0434\u0438\u0442\u0435<\/a>, \u043f\u043e\u0436\u0430\u043b\u0443\u0439\u0441\u0442\u0430.<\/p>\n<p class=\"total\">\u041d\u0438\u043a\u0442\u043e \u0435\u0449\u0451 \u043d\u0435 \u0433\u043e\u043b\u043e\u0441\u043e\u0432\u0430\u043b. \u0412\u043e\u0437\u0434\u0435\u0440\u0436\u0430\u0432\u0448\u0438\u0445\u0441\u044f \u043d\u0435\u0442.<\/p>\n<\/p><\/form>\n<\/p><\/div>\n<div class=\"clear\"><\/div>\n<\/p><\/div>\n<p> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"http:\/\/habrahabr.ru\/post\/190440\/\"> http:\/\/habrahabr.ru\/post\/190440\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"content html_format\">   \t\u0418\u0437-\u0437\u0430 \u0442\u043e\u0433\u043e, \u0447\u0442\u043e \u0432 PHP \u043f\u0440\u0438 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0438 \u0441\u0442\u0440\u043e\u043a \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 &quot;==&quot; \u043f\u044b\u0442\u0430\u0435\u0442\u0441\u044f \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u044c \u0438\u0445 \u0432 \u0447\u0438\u0441\u043b\u0430 <sup><a href=\"http:\/\/www.php.net\/manual\/en\/language.operators.comparison.php\">[1]<\/a><a href=\"http:\/\/phpsadness.com\/sad\/47\">[2]<\/a><\/sup> (\u0434\u0430\u0436\u0435, <strong>\u0435\u0441\u043b\u0438 \u043e\u0431\u0430 \u043e\u043f\u0435\u0440\u0430\u043d\u0434\u0430 \u2014 \u0441\u0442\u0440\u043e\u043a\u0438<\/strong>), \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u043f\u043e\u0440\u043e\u0439 \u043c\u043e\u0436\u0435\u0442 \u043e\u043a\u0430\u0437\u0430\u0442\u044c\u0441\u044f \u043d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u044b\u043c:  <\/p>\n<pre><code class=\"php\">&lt;?php var_dump('123' == '       123'); \/\/ true var_dump('1e3' == '1000'); \/\/ true var_dump('+74951112233' == '74951112233'); \/\/ true var_dump('00000020' == '0000000000000000020'); \/\/ true var_dump('0X1D' == '29E0'); \/\/ true var_dump('0xafebac' == '11529132'); \/\/ true var_dump('0xafebac' == '0XAFEBAC'); \/\/ true var_dump('0xeb' == '+235e-0'); \/\/ true var_dump('0.235' == '+.235'); \/\/ true var_dump('0.2e-10' == '2.0E-11'); \/\/ true var_dump('61529519452809720693702583126814' == '61529519452809720000000000000000'); \/\/ true \u0432 php &lt; 5.4.4 <\/code><\/pre>\n<p>  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-190440","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/190440","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=190440"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/190440\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=190440"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=190440"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=190440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}