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<?php class MyClass{} $testobj = new MyClass; $teststring = ''; $testinteger = 0; $testfloat = 0.0; $testarray = array(); $testresource = fopen("http://ya.ru", "r"); $testboolean = false; if(empty($testobj)) echo "TestObj is empty - ". gettype($testobj); else var_dump($testobj); if(empty($testnull)) echo 'TestNUll is empty - '. gettype($testnull); // if(empty($teststring)) echo 'TestString is empty - '.gettype($teststring); // if(empty($testinteger)) echo 'TestInteger is empty - '.gettype($testinteger); if(empty($testfloat)) echo 'TestFloat is empty - '.gettype($testfloat); if(empty($testarray)) echo 'Testfour is empty'.gettype($testarray); if(empty($testresource)) echo 'Testfour is empty'.gettype($testresource); else echo "Testfour's not empty"; var_dump($testresource); if(empty($testboolean)) echo 'TestFloat is empty - '.gettype($testboolean); ?>
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: fopen(): php_network_getaddresses: getaddrinfo for ya.ru failed: System error in /in/pOeUr on line 8 Warning: fopen(http://ya.ru): Failed to open stream: php_network_getaddresses: getaddrinfo for ya.ru failed: System error in /in/pOeUr on line 8 object(MyClass)#1 (0) { } Warning: Undefined variable $testnull in /in/pOeUr on line 17 TestNUll is empty - NULLTestString is empty - stringTestInteger is empty - integerTestFloat is empty - doubleTestfour is emptyarrayTestfour is emptybooleanbool(false) TestFloat is empty - boolean
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: fopen(): php_network_getaddresses: getaddrinfo for ya.ru failed: System error in /in/pOeUr on line 8 Warning: fopen(http://ya.ru): Failed to open stream: php_network_getaddresses: getaddrinfo for ya.ru failed: System error in /in/pOeUr on line 8 object(MyClass)#1 (0) { } Warning: Undefined variable $testnull in /in/pOeUr on line 17 TestNUll is empty - NULLTestString is empty - stringTestInteger is empty - integerTestFloat is empty - doubleTestfour is emptyarrayTestfour is emptybooleanbool(false) TestFloat is empty - boolean
Output for 8.0.13 - 8.0.30
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: System error in /in/pOeUr on line 8 Warning: fopen(http://ya.ru): Failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/pOeUr on line 8 object(MyClass)#1 (0) { } Warning: Undefined variable $testnull in /in/pOeUr on line 17 TestNUll is empty - NULLTestString is empty - stringTestInteger is empty - integerTestFloat is empty - doubleTestfour is emptyarrayTestfour is emptybooleanbool(false) TestFloat is empty - boolean
Output for 8.0.0 - 8.0.12
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/pOeUr on line 8 Warning: fopen(http://ya.ru): Failed to open stream: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/pOeUr on line 8 object(MyClass)#1 (0) { } Warning: Undefined variable $testnull in /in/pOeUr on line 17 TestNUll is empty - NULLTestString is empty - stringTestInteger is empty - integerTestFloat is empty - doubleTestfour is emptyarrayTestfour is emptybooleanbool(false) TestFloat is empty - boolean
Output for 7.0.20, 7.1.5 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0, 7.4.26 - 7.4.33
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: System error in /in/pOeUr on line 8 Warning: fopen(http://ya.ru): failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/pOeUr on line 8 object(MyClass)#1 (0) { } Notice: Undefined variable: testnull in /in/pOeUr on line 17 TestNUll is empty - NULLTestString is empty - stringTestInteger is empty - integerTestFloat is empty - doubleTestfour is emptyarrayTestfour is emptybooleanbool(false) TestFloat is empty - boolean
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.31, 7.4.3 - 7.4.25
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/pOeUr on line 8 Warning: fopen(http://ya.ru): failed to open stream: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution in /in/pOeUr on line 8 object(MyClass)#1 (0) { } Notice: Undefined variable: testnull in /in/pOeUr on line 17 TestNUll is empty - NULLTestString is empty - stringTestInteger is empty - integerTestFloat is empty - doubleTestfour is emptyarrayTestfour is emptybooleanbool(false) TestFloat is empty - boolean
Output for 7.3.32 - 7.3.33
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: System error in /in/pOeUr on line 8 Warning: fopen(http://ya.ru): failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/pOeUr on line 8 object(MyClass)#1 (0) { } TestNUll is empty - NULLTestString is empty - stringTestInteger is empty - integerTestFloat is empty - doubleTestfour is emptyarrayTestfour is emptybooleanbool(false) TestFloat is empty - boolean
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.7, 7.1.0
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/pOeUr on line 8 Warning: fopen(http://ya.ru): failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/pOeUr on line 8 object(MyClass)#1 (0) { } Notice: Undefined variable: testnull in /in/pOeUr on line 17 TestNUll is empty - NULLTestString is empty - stringTestInteger is empty - integerTestFloat is empty - doubleTestfour is emptyarrayTestfour is emptybooleanbool(false) TestFloat is empty - boolean
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