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27 gru 2011 · $var = rand(0,PHP_INT_MAX).str_pad(rand(0, 999999999), 9, 0, STR_PAD_LEFT); echo $var; On a platform in which PHP uses a 32 bit integer, this allows you to get a near random integer (as a string) that is bigger than 32 bits ( > 10 decimal places).
A helper class to convert integer to binary strings and vice versa. Useful for writing and reading integers to / from files or sockets. <?php class int_helper {public static function int8 ($i) {return is_int ($i) ? pack ("c", $i) : unpack ("c", $i)[1];} public static function uInt8 ($i) {return is_int ($i) ? pack ("C", $i) : unpack ("C", $i)[1];}
The simplest way to get file extension in PHP is to use PHP's built-in function pathinfo. $file_ext = pathinfo('your_file_name_here', PATHINFO_EXTENSION); echo ($file_ext); // The output should be the extension of the file e.g., png, gif, or html
Here a function to get the size of a file in a human understanding way with decimal separator, thousand separator, decimals... function convertFileSize($file, $size=null, $decimals=2, $dec_sep='.', $thousands_sep=','){. if (!is_file($file)){. return "El fichero no existe"; $bytes = filesize($file); $sizes = 'BKMGTP';
Returns the int value of value, using the specified base for the conversion (the default is base 10). intval() should not be used on objects, as doing so will emit an E_WARNING level error and return 1.
PHP_FUNCTION (temperature_converter) {double t; zend_long mode = TEMP_CONVERTER_TO_CELSIUS; zend_string * result; if (zend_parse_parameters (ZEND_NUM_ARGS (), "d|l", & t, & mode) == FAILURE) {return;} switch (mode) {case TEMP_CONVERTER_TO_CELSIUS: result = strpprintf (0, "%.2f degrees fahrenheit gives %.2f degrees celsius", t, php_fahrenheit_to ...
The library function intval allows values to be converted to int. Converting to Floating-Point Type. The result type is float. If the source type is int, if the precision can be preserved the result value is the closest approximation to the source value; otherwise, the result is undefined.
