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Warning: include(../levoe_menu.php) [function.include]: failed to open stream: No such file or directory in /var/www/prime/data/www/prime-speed.ru/Manual_PHP_4/f/is-nan.html on line 46 Warning: include() [function.include]: Failed opening '../levoe_menu.php' for inclusion (include_path='.:/usr/share/php:/usr/share/pear') in /var/www/prime/data/www/prime-speed.ru/Manual_PHP_4/f/is-nan.html on line 46 |
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is_nan(PHP 4 >= 4.2.0) Описаниеbool is_nan (float val) Возвращает TRUE, если val является 'not a number/не-числом', вроде результата acos(1.01). | | ||||||||
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Warning: include(../pravoe_menu.php) [function.include]: failed to open stream: No such file or directory in /var/www/prime/data/www/prime-speed.ru/Manual_PHP_4/f/is-nan.html on line 136 Warning: include() [function.include]: Failed opening '../pravoe_menu.php' for inclusion (include_path='.:/usr/share/php:/usr/share/pear') in /var/www/prime/data/www/prime-speed.ru/Manual_PHP_4/f/is-nan.html on line 136 |
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