您搜索了: screenshot of an app congratulating the user on th (西班牙语 - 英语)

no need of an 'app' imo.
no need of an 'app' imo.

?php / / redefine the user error constants - php4 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 + error + warning); / / error handler function function myerrorhandler ($errno, $errstr) {switch ($errno) {case fatal: echo "b fatal / b [$errno] $errstr br \n"; echo" fatal error in line ".__line__. "of file ".__file__; echo", php ".php_version. "(".php_os .") br \n"; echo "aborting... br \n"; exit -1; break; case error: echo" b error / b [$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);?
vector a array ([0] = 2 [1] = 3 [2] = foo [3] = 5.5 [4] = 43.3 [5] = 21.11) --- - vector b - a warning (b = log(pi) * a) b warning / b [1024] value at position 2 is not a number, using 0 (zero) br array ([0] = 2.2894597716988 [1] = 3.4341896575482 [2] = 0 [3] = 6.2960143721717 [4] = 49.566804057279 [5] = 24.165247890281) --- - vector c - an error b error / b [512] incorrect input vector, array of values expected br null --- - vector d - fatal error b fatal / b [256] log(x) for x = 0 is undefined, you used: scale = -2.5 br fatal error in line 36 of file trigger_error.php, php 4.0.2 (linux) br aborting... br