Changeset 8749
- Timestamp:
- 08/27/2008 06:05:27 PM (16 years ago)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
branches/2.6/wp-includes/pluggable.php
r8582 r8749 1290 1290 $password = ''; 1291 1291 for ( $i = 0; $i < $length; $i++ ) 1292 $password .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);1292 $password .= substr($chars, wp_rand(0, strlen($chars) - 1), 1); 1293 1293 return $password; 1294 } 1295 endif; 1296 1297 if ( !function_exists('wp_rand') ) : 1298 /** 1299 * Generates a random number 1300 * 1301 * @since 2.6.2 1302 * 1303 * @param int $min Lower limit for the generated number (optional, default is 0) 1304 * @param int $max Upper limit for the generated number (optional, default is 4294967295) 1305 * @return int A random number between min and max 1306 */ 1307 function wp_rand( $min = 0, $max = 0 ) { 1308 global $rnd_value; 1309 1310 $seed = get_option('random_seed'); 1311 1312 // Reset $rnd_value after 14 uses 1313 // 32(md5) + 40(sha1) + 40(sha1) / 8 = 14 random numbers from $rnd_value 1314 if ( strlen($rnd_value) < 8 ) { 1315 $rnd_value = md5( uniqid(microtime() . mt_rand(), true ) . $seed ); 1316 $rnd_value .= sha1($rnd_value); 1317 $rnd_value .= sha1($rnd_value . $seed); 1318 $seed = md5($seed . $rnd_value); 1319 update_option('random_seed', $seed); 1320 } 1321 1322 // Take the first 8 digits for our value 1323 $value = substr($rnd_value, 0, 8); 1324 1325 // Strip the first eight, leaving the remainder for the next call to wp_rand(). 1326 $rnd_value = substr($rnd_value, 8); 1327 1328 $value = abs(hexdec($value)); 1329 1330 // Reduce the value to be within the min - max range 1331 // 4294967295 = 0xffffffff = max random number 1332 if ( $max != 0 ) 1333 $value = $min + (($max - $min + 1) * ($value / (4294967295 + 1))); 1334 1335 return abs(intval($value)); 1294 1336 } 1295 1337 endif;
Note: See TracChangeset
for help on using the changeset viewer.