{"id":6002,"date":"2015-02-04T13:19:21","date_gmt":"2015-02-04T18:19:21","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/?p=6002"},"modified":"2015-07-03T10:43:19","modified_gmt":"2015-07-03T14:43:19","slug":"%e0%a6%aa%e0%a6%bf-%e0%a6%8f%e0%a6%87%e0%a6%9a-%e0%a6%aa%e0%a6%bf-%e0%a7%ab-%e0%a6%a1%e0%a6%be%e0%a6%9f%e0%a6%be-%e0%a6%9f%e0%a6%be%e0%a6%87%e0%a6%aa-php-5-data-types","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=6002","title":{"rendered":"\u09aa\u09bf\u098f\u0987\u099a\u09aa\u09bf \u09eb \u09a1\u09be\u099f\u09be \u099f\u09be\u0987\u09aa (PHP 5 Data Types)"},"content":{"rendered":"

\u0986\u0995\u09cd\u09a4\u09be\u09b0\u09c1\u099c\u09cd\u099c\u09be\u09ae\u09be\u09a8<\/p>\n

Department of CSE, University of Chittagong
\n\u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2 \u09ac\u09bf\u09ad\u09a8\u09cd\u09a8 \u09b0\u0995\u09ae\u09c7\u09b0 \u09a1\u09be\u099f\u09be \u09b8\u09cd\u099f\u09cb\u09b0 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7, \u098f\u09ac\u0982 \u09ac\u09bf\u09ad\u09a8\u09cd\u09a8 \u09a1\u09be\u099f\u09be \u099f\u09be\u0987\u09aa \u09ac\u09bf\u09ad\u09a8\u09cd\u09a8 \u09b0\u0995\u09ae \u0995\u09be\u099c \u0995\u09b0\u09c7\u0964 \u09aa\u09bf\u098f\u0987\u099a\u09aa\u09bf \u09a8\u09bf\u099a\u09c7 \u0989\u09b2\u09cd\u09b2\u09c7\u0996\u09bf\u09a4 \u09a1\u09be\u099f\u09be \u099f\u09be\u0987\u09aa \u0997\u09c1\u09b2\u09cb \u09b8\u09be\u09aa\u09cb\u09b0\u09cd\u099f \u0995\u09b0\u09c7\u0964<\/p>\n

\u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 (String):<\/h2>\n

\u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09a4\u09c8\u09b0\u09bf \u09b9\u09df \u098f\u0995 \u09ac\u09be \u098f\u0995\u09be\u09a7\u09bf\u0995 \u0995\u09cd\u09af\u09be\u09b0\u09c7\u0995\u09cd\u099f\u09be\u09b0 \u09ae\u09bf\u09b2\u09c7 \u0964 \u09b8\u09cb\u099c\u09be \u0995\u09a5\u09be\u09df \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09b9\u099a\u09cd\u099b\u09c7 \u0995\u09cd\u09af\u09be\u09b0\u09c7\u0995\u09cd\u099f\u09be\u09b0\u09c7\u09b0 \u09b8\u09ae\u09b7\u09cd\u099f\u09bf \u0964 \u09af\u09c7\u09ae\u09a8\u0983 \u201cHello World\u201d \u09b9\u099a\u09cd\u099b\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982\u0964
\n\u09a1\u09be\u09ac\u09b2 \u0995\u09bf\u0982\u09ac\u09be \u09b8\u09bf\u0999\u09cd\u0997\u09b2 \u0995\u09cb\u099f \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 (string) \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2 \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09a4\u09c7 \u09b9\u09df\u0964
\n\u0989\u09a6\u09be\u09b9\u09b0\u09a3\u0983<\/p>\n

\n
 <?php \r\n $x = \"Hello world!\";\r\n $y = 'Hello world!';\r\n \r\n echo $x;\r\n echo \"<br>\"; \r\n echo $y;\r\n ?><\/pre>\n
\n
\u098f\u0987\u0996\u09be\u09a8\u09c7 $x \u098f\u09ac\u0982 y \u09b9\u09b2 \u09a6\u09c1\u099f\u09bf string \u099f\u09be\u0987\u09aa \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2<\/p>\n
 <\/p>\n
\u0987\u09a8\u09cd\u099f\u09bf\u099c\u09be\u09b0 (integer)<\/h2>\n
\u0987\u09a8\u09cd\u099f\u09bf\u099c\u09be\u09b0 \u09ae\u09be\u09a8\u09c7 \u09b9\u09b2 \u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u0982\u0996\u09cd\u09af\u09be \u0964 \u098f\u0987\u099f\u09bf -2,147, 483, 648 \u098f\u09ac\u0982 +2, 147, 483, 647 \u098f\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09af\u09c7 \u0995\u09cb\u09a8 \u098f\u0995\u099f\u09bf \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 \u09a8\u09bf\u099a\u09c7\u09b0 \u0989\u09a6\u09be\u09b9\u09b0\u09a3\u09c7 $x \u09b9\u09b2 \u098f\u0995\u099f\u09bf \u0987\u09a8\u09cd\u099f\u09bf\u099c\u09be\u09b0 (integer) \u099f\u09be\u0987\u09aa\u09c7\u09b0 \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2\u0964<\/p>\n
\n
<?php \r\n $x = 5985;\r\n var_dump($x);\r\n ?><\/pre>\n
\n
var_dump() \u09ab\u09be\u0982\u09b6\u09a8\u099f\u09bf \u09a1\u09be\u099f\u09be \u099f\u09be\u0987\u09aa \u098f\u09ac\u0982 \u09ae\u09be\u09a8 \u09b0\u09bf\u099f\u09be\u09b0\u09cd\u09a8 \u0995\u09b0\u09c7\u0964<\/p>\n
 <\/p>\n
\u09ab\u09cd\u09b2\u09cb\u099f\u09bf\u0982 \u09aa\u09df\u09c7\u09a8\u09cd\u099f (Float)<\/h2>\n
\u09ab\u09cd\u09b2\u09cb\u099f \u09b9\u09b2 \u098f\u0995\u099f\u09bf decimal point \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0\u0964 \u09a8\u09bf\u099a\u09c7\u09b0 \u0989\u09a6\u09be\u09b9\u09b0\u09a3\u09c7 $x \u09b9\u09b2 \u098f\u0995\u099f\u09bf \u09ab\u09cd\u09b2\u09cb\u099f \u099f\u09be\u0987\u09aa\u09c7\u09b0 \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2\u0964<\/p>\n
<\/p>\n
\n
<?php \r\n $x = 10.365;\r\n var_dump($x);\r\n ?><\/pre>\n
\n
 <\/p>\n
\u09ac\u09c1\u09b2\u09bf\u09df\u09be\u09a8 (boolean)<\/h2>\n
\u0995\u09cb\u09a8 \u0995\u09bf\u099b\u09c1 \u09b8\u09a4\u09cd\u09af \u09a8\u09be \u09ae\u09bf\u09a5\u09cd\u09af\u09be \u09a4\u09be \u09aa\u09cd\u09b0\u0995\u09be\u09b6 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09ac\u09c1\u09b2\u09bf\u09df\u09be\u09a8 \u09a1\u09be\u099f\u09be \u099f\u09be\u0987\u09aa\u099f\u09bf \u09ac\u09cd\u09af\u09be\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df\u0964\u09ac\u09c1\u09b2\u09bf\u09df\u09be\u09a8 \u098f\u09b0 \u09a6\u09c1\u0987\u099f\u09bf \u09ae\u09be\u09a8 \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7 \u2013 true \u0985\u09a5\u09ac\u09be false
\n\u0989\u09a6\u09be\u09b9\u09b0\u09a8\u0983<\/p>\n
\n
$x = true\r\n$y = false<\/pre>\n
\n
 <\/p>\n
\u098f\u09cd\u09af\u09be\u09b0\u09c7 (Array)<\/h2>\n
\u098f\u0995\u099f\u09bf \u09b8\u09bf\u0999\u09cd\u0997\u09c7\u09b2 \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2\u09c7 \u098f\u0995\u09c7\u09b0 \u0985\u09a7\u09bf\u0995 \u09ae\u09be\u09a8 \u09b8\u09cd\u099f\u09cb\u09b0 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u098f\u09cd\u09af\u09be\u09b0\u09c7 \u09ac\u09cd\u09af\u09be\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df\u0964 \u09a8\u09bf\u099a\u09c7\u09b0 \u0989\u09a6\u09be\u09b9\u09b0\u09a3\u09c7 $cars \u09b9\u09b2 \u098f\u0995\u099f\u09bf \u098f\u09cd\u09af\u09be\u09b0\u09c7\u0964<\/p>\n
\n
<?php \r\n $cars = array(\"Volvo\",\"BMW\",\"Toyota\");\r\n var_dump($cars);\r\n ?><\/pre>\n
\n
\u098f\u0987\u0996\u09be\u09a8\u09c7 $cars \u098f\u09cd\u09af\u09be\u09b0\u09c7\u09a4\u09c7 \u09a4\u09bf\u09a8\u099f\u09bf \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u099f\u09be\u0987\u09aa\u09c7\u09b0 \u09ae\u09be\u09a8 \u09b0\u09df\u09c7\u099b\u09c7\u0983
\nVolvo, BMW \u098f\u09ac\u0982 Toyota\u0964<\/p>\n
 <\/p>\n
\u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u099f\u09be\u0987\u09aa (Object)<\/h2>\n
\u0995\u09cb\u09a8 \u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f \u098f\u0995\u099f\u09bf \u0995\u09cd\u09b2\u09be\u09b8\u09c7\u09b0 instance \u0995\u09c7 \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u09ac\u09b2\u09be \u09b9\u09df\u0964 \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u09b9\u099a\u09cd\u099b\u09c7 \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2 \u098f\u09ac\u0982 \u09ab\u09be\u0982\u09b6\u09a8 \u098f\u09b0 \u09b8\u09ae\u09b8\u09cd\u099f\u09bf\u0964 \u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u0987\u09a8\u09cd\u09b8\u099f\u09cd\u09af\u09be\u09a8\u09cd\u09b8 \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09a4\u09c7 \u09b9\u09df new \u0995\u09bf\u0993\u09df\u09be\u09b0\u09cd\u09a1\u099f\u09bf \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7\u0964
\n\u0989\u09a6\u09be\u09b9\u09b0\u09a8\u0983<\/p>\n
\n
<?php\r\n class Car {\r\n \u00a0\u00a0\u00a0 function Car() {\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 $this->model = \"VW\";\r\n \u00a0\u00a0\u00a0 }\r\n }\r\n \r\n \/\/ create an object\r\n $herbie = new Car();\r\n \r\n \/\/ show object properties\r\n echo $herbie->model;\r\n ?><\/pre>\n
\n
 <\/p>\n
\u09a8\u09be\u09b2 \u099f\u09be\u0987\u09aa (Null)<\/h2>\n
\u09a8\u09be\u09b2 \u098f\u0995\u099f\u09bf \u09ac\u09bf\u09b6\u09c7\u09b7 \u09a7\u09b0\u09a3\u09c7\u09b0 \u09a1\u09be\u099f\u09be \u099f\u09be\u0987\u09aa \u09af\u09c7\u099f\u09be\u09b0 \u09ae\u09be\u09a8 \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7 \u09b6\u09c1\u09a7\u09c1\u09ae\u09be\u09a4\u09cd\u09b0 \u098f\u0995\u099f\u09bf- \u098f\u09ac\u0982 \u098f\u0987\u099f\u09bf \u09b9\u09b2 null \u0964 \u098f\u0995\u099f\u09bf \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2\u09c7 \u0995\u09cb\u09a8 \u09ae\u09be\u09a8 \u098f\u09b8\u09be\u0987\u09a8 \u0995\u09b0\u09be \u09a8\u09be \u09b9\u09b2\u09c7 \u0993\u0987\u099f\u09be\u0995\u09c7 \u09a8\u09be\u09b2 \u09a1\u09be\u099f\u09be \u099f\u09be\u0987\u09aa\u09c7\u09b0 \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2 \u09ac\u09b2\u09be \u09b9\u09df\u0964
\n\u0989\u09a6\u09be\u09b9\u09b0\u09a8\u0983<\/p>\n
\n
<?php
\n$x = “Hello world!”;
\n$x = null;
\nvar_dump($x);
\n?><\/p>\n
\n
\u098f\u0987\u0996\u09be\u09a8\u09c7 $x \u09b9\u09b2 \u098f\u0995\u099f\u09bf \u09a8\u09be\u09b2 \u099f\u09be\u0987\u09aa\u09c7\u09b0 \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2\u0964<\/p>\n","protected":false},"excerpt":{"rendered":"
\u0986\u0995\u09cd\u09a4\u09be\u09b0\u09c1\u099c\u09cd\u099c\u09be\u09ae\u09be\u09a8 Department of CSE, University of Chittagong \u09ad\u09c7\u09b0\u09bf\u09df\u09c7\u09ac\u09b2 \u09ac\u09bf\u09ad\u09a8\u09cd\u09a8 \u09b0\u0995\u09ae\u09c7\u09b0 \u09a1\u09be\u099f\u09be \u09b8\u09cd\u099f\u09cb\u09b0 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7, \u098f\u09ac\u0982 \u09ac\u09bf\u09ad\u09a8\u09cd\u09a8 \u09a1\u09be\u099f\u09be \u099f\u09be\u0987\u09aa \u09ac\u09bf\u09ad\u09a8\u09cd\u09a8 \u09b0\u0995\u09ae \u0995\u09be\u099c \u0995\u09b0\u09c7\u0964 \u09aa\u09bf\u098f\u0987\u099a\u09aa\u09bf \u09a8\u09bf\u099a\u09c7 \u0989\u09b2\u09cd\u09b2\u09c7\u0996\u09bf\u09a4 \u09a1\u09be\u099f\u09be \u099f\u09be\u0987\u09aa \u0997\u09c1\u09b2\u09cb \u09b8\u09be\u09aa\u09cb\u09b0\u09cd\u099f \u0995\u09b0\u09c7\u0964 \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 (String): \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09a4\u09c8\u09b0\u09bf \u09b9\u09df \u098f\u0995 \u09ac\u09be \u098f\u0995\u09be\u09a7\u09bf\u0995 \u0995\u09cd\u09af\u09be\u09b0\u09c7\u0995\u09cd\u099f\u09be\u09b0 \u09ae\u09bf\u09b2\u09c7 \u0964 \u09b8\u09cb\u099c\u09be \u0995\u09a5\u09be\u09df \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u09b9\u099a\u09cd\u099b\u09c7 \u0995\u09cd\u09af\u09be\u09b0\u09c7\u0995\u09cd\u099f\u09be\u09b0\u09c7\u09b0 \u09b8\u09ae\u09b7\u09cd\u099f\u09bf \u0964 \u09af\u09c7\u09ae\u09a8\u0983 \u201cHello World\u201d \u09b9\u099a\u09cd\u099b\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982\u0964 \u09a1\u09be\u09ac\u09b2 … <\/p>\n
Continue reading<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[172],"tags":[361,555,1324,1322,539,305,748,750,1321,1320,630,304,1323,1325,779],"class_list":["post-6002","post","type-post","status-publish","format-standard","hentry","category-----php-tutorial","tag-array","tag-data","tag-float","tag-integer","tag-object","tag-php","tag-string","tag-750","tag-1321","tag-1320","tag-630","tag-304","tag-1323","tag-1325","tag-779","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":7134,"url":"http:\/\/bangla.sitestree.com\/?p=7134","url_meta":{"origin":6002,"position":0},"title":"\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u099f\u09be\u0987\u09aa 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