您搜索了: pi, pi (简体中文 - 土耳其语)

pi
pi

pica (pi)
pica (pi)

12 点活字( pi)
pica (pi)

pi () 函数返回 π 值 。
pi () fonksiyonu pi değerini verir.

cos( pi () / 2) 等于 0
cos( pi () / 2), 0 değerini gönderir

sin( pi () / 2) 等于 1
sin( pi () / 2), 1 değerini gönderir

输入起始点的 x 值， 如 2 或 pi
başlangıç x noktasını girin, örneğin 2 ya da pi

输入绘图范围的上边界。 也允许像 2* pi 这样的表达式 。
Çizim aralığının üst sınırını girin. 2* pi gibi ifadelere de izin verilir.

输入积分起始点的 x 值或表达式， 如 2 或 pi/ 2
İntegral için başlangıç x değerini ya da ifadesini girin, örneğin 2 y da pi/ 2

输入有效的表达式， 例如 2* pi 或 e/ 2 。
geçerli bir ifade girin, çrneğin 2* pi ya da e/ 2

巴西东北部( ma、 pi、 ce、 rn、 pb)
gd brezilya (ma, pi, ce, rn, pb)

?php // redefine the user error constants - php 4 only define ("fatal",e_user_error); define ("error",e_user_warning); define ("warning",e_user_notice); // set the error reporting level for this script error_reporting (fatal _bar_ error _bar_ warning); // error handler function function myerrorhandler ($errno, $errstr, $errfile, $errline) {switch ($errno) {case fatal: echo "b fatal /b [$errno] $errstr br \n"; echo" fatal error in line ".$errline." of file ".$errfile; echo ", php ".php_version." (".php_os.") br \n"; echo "aborting... br \n"; exit(1); break; case error: echo "b error /b [$errno] $errstr br \n"; break; case warning: echo" b warning /b [$errno] $errstr br \n"; break; default: echo "unkown error type: [$errno] $errstr br \n"; break;}} // function to test the error handling function scale_by_log ($vect, $scale) {if (!is_numeric($scale) _bar__bar_ $scale = 0) trigger_error("log(x) for x = 0 is undefined, you used: scale = $scale", fatal); if (!is_array($vect)) {trigger_error("incorrect input vector, array of values expected", error); return null;} for ($i=0; $i count($vect); $i++) {if (!is_numeric($vect[$i])) trigger_error("value at position $i is not a number, using 0 (zero)", warning); $temp[$i] = log($scale) * $vect[$i];} return $temp;} // set to the user defined error handler $old_error_handler = set_error_handler("myerrorhandler"); // trigger some errors, first define a mixed array with a non-numeric item echo "vector a\n"; $a = array(2,3,"foo",5.5,43.3,21.11); print_r($a); // now generate second array, generating a warning echo "----\nvector b - a warning (b = log(pi) * a)\n"; $b = scale_by_log($a, m_pi); print_r($b); // this is trouble, we pass a string instead of an array echo "----\nvector c - an error\n"; $c = scale_by_log("not array",2.3); var_dump($c); // this is a critical error, log of zero or negative number is undefined echo "----\nvector d - fatal error\n"; $d = scale_by_log($a, -2.5);?
?php / / redefine the user error constants - php 4 only define (fatal,e_user_error); define (error,e_user_warning); define (warning,e_user_notice); / / set the error reporting level for this script error_reporting (fatal _bar_ error _bar_ warning); / / error handler function function myerrorhandler ($errno, $errstr, $errfile, $errline) {switch ($errno) {case fatal: echo "b fatal / b [$errno] $errstr br \n"; echo" fatal error in line ".$errline. "of file ".$errfile; echo", php ".php_version. "(".php_os .") br \n"; echo "aborting... br \n"; exit 1; break; case error: echo" b error / b [$errno] $errstr br \n"; break; case warning: echo "b warning / b [$errno] $errstr br \n"; break; default: echo "unkown error type: [$errno] $errstr br \n"; break;}} / / function to test the error handling function scale_by_log ($vect, $scale) {if (!is_numeric($scale) _bar_ _bar_ $scale = 0) trigger_error("log(x) for x = 0 is undefined, you used: scale = $scale", fatal); if (!is_array($vect)) {trigger_error("incorrect input vector, array of values expected", error); return null;} for ($i=0; $i count($vect); $i++) {if (!is_numeric($vect[$i])) trigger_error("value at position $i is not a number, using 0 (zero)", warning); $temp[$i] = log($scale) * $vect[$i];} return $temp;} / / set to the user defined error handler $old_error_handler = set_error_handler("myerrorhandler"); / / trigger some errors, first define a mixed array with a non-numeric item echo "vector a\n"; $a = array(2,3 ,"foo",5.5,43.3,21.11); print_r($a); / / now generate second array, generating a warning echo "----\nvector b - a warning (b = log(pi) * a)\n"; $b = scale_by_log($a, m_pi); print_r($b); / / this is trouble, we pass a string instead of an array echo "----\nvector c - an error\n"; $c = scale_by_log("not array",2.3); var_dump($c); / / this is a critical error, log of zero or negative number is undefined echo "----\nvector d - fatal error\n"; $d = scale_by_log($a, -2.5);?