Strict Standards: Redefining already defined constructor for class wpdb in /blog/wp-includes/wp-db.php on line 49

Deprecated: Assigning the return value of new by reference is deprecated in /blog/wp-includes/cache.php on line 35

Strict Standards: Redefining already defined constructor for class WP_Object_Cache in /blog/wp-includes/cache.php on line 400

Strict Standards: Declaration of Walker_Page::start_lvl() should be compatible with Walker::start_lvl($output) in /blog/wp-includes/classes.php on line 534

Strict Standards: Declaration of Walker_Page::end_lvl() should be compatible with Walker::end_lvl($output) in /blog/wp-includes/classes.php on line 534

Strict Standards: Declaration of Walker_Page::start_el() should be compatible with Walker::start_el($output) in /blog/wp-includes/classes.php on line 534

Strict Standards: Declaration of Walker_Page::end_el() should be compatible with Walker::end_el($output) in /blog/wp-includes/classes.php on line 534

Strict Standards: Declaration of Walker_PageDropdown::start_el() should be compatible with Walker::start_el($output) in /blog/wp-includes/classes.php on line 553

Strict Standards: Declaration of Walker_Category::start_lvl() should be compatible with Walker::start_lvl($output) in /blog/wp-includes/classes.php on line 649

Strict Standards: Declaration of Walker_Category::end_lvl() should be compatible with Walker::end_lvl($output) in /blog/wp-includes/classes.php on line 649

Strict Standards: Declaration of Walker_Category::start_el() should be compatible with Walker::start_el($output) in /blog/wp-includes/classes.php on line 649

Strict Standards: Declaration of Walker_Category::end_el() should be compatible with Walker::end_el($output) in /blog/wp-includes/classes.php on line 649

Strict Standards: Declaration of Walker_CategoryDropdown::start_el() should be compatible with Walker::start_el($output) in /blog/wp-includes/classes.php on line 674

Deprecated: Assigning the return value of new by reference is deprecated in /blog/wp-includes/query.php on line 15

Deprecated: Assigning the return value of new by reference is deprecated in /blog/wp-includes/theme.php on line 505

Strict Standards: Non-static method Advanced_Permalinks::get() should not be called statically in /blog/wp-content/plugins/advanced-permalinks/advanced-permalinks.php on line 825

Strict Standards: call_user_func_array() expects parameter 1 to be a valid callback, non-static method GoogleSitemapGeneratorLoader::Enable() should not be called statically in /blog/wp-includes/plugin.php on line 123

Warning: call_user_func_array() expects parameter 2 to be array, null given in /blog/wp-includes/plugin.php on line 123
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Strict Standards: Resource ID#255 used as offset, casting to integer (255) in /forum2/db/mysql4.php on line 223

Strict Standards: Resource ID#255 used as offset, casting to integer (255) in /forum2/db/mysql4.php on line 224
[PHP] Sprawdzanie pustych zmiennych
Porady PHP | 5 maj 2008 | Wizyt: 102939

Strict Standards: Only variables should be assigned by reference in /blog/wp-includes/post.php on line 114

Strict Standards: Only variables should be assigned by reference in /blog/wp-includes/post.php on line 114

Strict Standards: Only variables should be assigned by reference in /blog/wp-includes/post.php on line 114

Strict Standards: Only variables should be assigned by reference in /blog/wp-includes/post.php on line 114

Strict Standards: Only variables should be assigned by reference in /blog/wp-includes/post.php on line 114

Strict Standards: Only variables should be assigned by reference in /blog/wp-includes/post.php on line 114

Strict Standards: Only variables should be assigned by reference in /blog/wp-includes/post.php on line 114

Strict Standards: Only variables should be assigned by reference in /blog/wp-includes/post.php on line 114

Deprecated: Function eregi() is deprecated in /blog/wp-content/plugins/tpbc.php on line 96

Aby sprawdzić czy zmienna pusta, czyli stan, w którym zmienna przyjmuje wartość NULL, FALSE, 0, ”, "", należy użyć fukcji empty(). Jeżeli zmienna jest pusta funkcja zwróci wartość TRUE. Jeżeli jako argument do funkcji wyślemy ciąg znaków zawierający tylko cyfrę 0, funkcja potraktuje ciąg znaków jak liczbę i także zwróci wartość TRUE. Tak dzieje się z pierwszą zmienną.

 
[PHP] Jak policzyć liczbę linii w pliku?
Porady PHP | 5 maj 2008 | Wizyt: 102409

Deprecated: Function eregi() is deprecated in /blog/wp-content/plugins/tpbc.php on line 96

Często zachodzi potrzeba przeliczenia danego pliku pod względem liczby linni tekstu, które w nim występują. Aby policzyć liczbę linii w pliku zastosuj następujące rozwiązanie:

 
[PHP] Zaokrąglanie ułamków
Porady PHP | 5 maj 2008 | Wizyt: 103346

Deprecated: Function eregi() is deprecated in /blog/wp-content/plugins/tpbc.php on line 96

Ułamek można zaokrąglić w górę do najbliższej liczby całkowitej większej od liczby zaokrąglanej lub w dół do najbliższej liczby całkowitej mniejszej od liczby zaokrąglanej.  Służą do tego celu dwie funkcje: zaokrąglenie w górę ceil() oraz w dół floor().

 
 
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