AlkantarClanX12
Current Path : /home/thanudqk/www/wp-content/plugins/w3-total-cache/lib/Google/ |
Current File : /home/thanudqk/www/wp-content/plugins/w3-total-cache/lib/Google/Utils.php |
<?php /** * File: Utils.php * * @package W3TC */ /** * Copyright 2011 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * Collection of static utility methods used for convenience across * the client library. * * @author Chirag Shah <chirags@google.com> */ class W3TCG_Google_Utils { /** * URL safe base 64 encoder function * * @param string $data URL to be base 64 encoded. * * @return string */ public static function urlSafeB64Encode( $data ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid $b64 = base64_encode( $data ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode $b64 = str_replace( array( '+', '/', '\r', '\n', '=' ), array( '-', '_' ), $b64 ); return $b64; } /** * URL safe base 64 de-coder function * * @param string $b64 Base 64 encoded string. * * @return string */ public static function urlSafeB64Decode( $b64 ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid $b64 = str_replace( array( '-', '_' ), array( '+', '/' ), $b64 ); return base64_decode( $b64 ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_decode } /** * Misc function used to count the number of bytes in a post body, in the * world of multi-byte chars and the unpredictability of * strlen/mb_strlen/sizeof, this is the only way to do that in a sane * manner at the moment. * * This algorithm was originally developed for the * Solar Framework by Paul M. Jones * * @link http://solarphp.com/ * @link http://svn.solarphp.com/core/trunk/Solar/Json.php * @link http://framework.zend.com/svn/framework/standard/trunk/library/Zend/Json/Decoder.php * @param string $str String to get length of. * @return int The number of bytes in a string. */ public static function getStrLen( $str ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid $strlen_var = strlen( $str ); $ret = 0; for ( $count = 0; $count < $strlen_var; ++ $count ) { $ordinal_value = ord( $str[ $ret ] ); switch ( true ) { case ( ( $ordinal_value >= 0x20 ) && ( $ordinal_value <= 0x7F ) ): // characters U-00000000 - U-0000007F (same as ASCII). $ret ++; break; case ( ( $ordinal_value & 0xE0 ) === 0xC0 ): // characters U-00000080 - U-000007FF, mask 110XXXXX. // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8. $ret += 2; break; case ( ( $ordinal_value & 0xF0 ) === 0xE0 ): // characters U-00000800 - U-0000FFFF, mask 1110XXXX. // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8. $ret += 3; break; case ( ( $ordinal_value & 0xF8 ) === 0xF0 ): // characters U-00010000 - U-001FFFFF, mask 11110XXX. // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8. $ret += 4; break; case ( ( $ordinal_value & 0xFC ) === 0xF8 ): // characters U-00200000 - U-03FFFFFF, mask 111110XX. // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8. $ret += 5; break; case ( ( $ordinal_value & 0xFE ) === 0xFC ): // characters U-04000000 - U-7FFFFFFF, mask 1111110X. // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8. $ret += 6; break; default: $ret ++; } } return $ret; } /** * Normalize all keys in an array to lower-case. * * @param array $arr Array to normalize all keys to lowercase. * @return array Normalized array. */ public static function normalize( $arr ) { if ( ! is_array( $arr ) ) { return array(); } $normalized = array(); foreach ( $arr as $key => $val ) { $normalized[ strtolower( $key ) ] = $val; } return $normalized; } /** * Convert a string to camelCase * * @param string $value String to convert to camelCase. * @return string */ public static function camelCase( $value ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid $value = ucwords( str_replace( array( '-', '_' ), ' ', $value ) ); $value = str_replace( ' ', '', $value ); $value[0] = strtolower( $value[0] ); return $value; } }