bench_utf8_title_check.php

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<?php
require_once( __DIR__ . '/Benchmarker.php' );

class bench_utf8_title_check extends Benchmarker {

        private $canRun;

        private $data;

        public function __construct() {
                parent::__construct();

                $this->data = array (
                        "",
                        "United States of America", // 7bit ASCII
                        "S%C3%A9rie%20t%C3%A9l%C3%A9vis%C3%A9e",
                        "Acteur%7CAlbert%20Robbins%7CAnglais%7CAnn%20Donahue%7CAnthony%20E.%20Zuiker%7CCarol%20Mendelsohn",
                        // This comes from bug 36839
                        "Acteur%7CAlbert%20Robbins%7CAnglais%7CAnn%20Donahue%7CAnthony%20E.%20Zuiker%7CCarol%20Mendelsohn%7C"
                        . "Catherine%20Willows%7CDavid%20Hodges%7CDavid%20Phillips%7CGil%20Grissom%7CGreg%20Sanders%7CHodges%7C"
                        . "Internet%20Movie%20Database%7CJim%20Brass%7CLady%20Heather%7C"
                        . "Les%20Experts%20(s%C3%A9rie%20t%C3%A9l%C3%A9vis%C3%A9e)%7CLes%20Experts%20:%20Manhattan%7C"
                        . "Les%20Experts%20:%20Miami%7CListe%20des%20personnages%20des%20Experts%7C"
                        . "Liste%20des%20%C3%A9pisodes%20des%20Experts%7CMod%C3%A8le%20discussion:Palette%20Les%20Experts%7C"
                        . "Nick%20Stokes%7CPersonnage%20de%20fiction%7CPersonnage%20fictif%7CPersonnage%20de%20fiction%7C"
                        . "Personnages%20r%C3%A9currents%20dans%20Les%20Experts%7CRaymond%20Langston%7CRiley%20Adams%7C"
                        . "Saison%201%20des%20Experts%7CSaison%2010%20des%20Experts%7CSaison%2011%20des%20Experts%7C"
                        . "Saison%2012%20des%20Experts%7CSaison%202%20des%20Experts%7CSaison%203%20des%20Experts%7C"
                        . "Saison%204%20des%20Experts%7CSaison%205%20des%20Experts%7CSaison%206%20des%20Experts%7C"
                        . "Saison%207%20des%20Experts%7CSaison%208%20des%20Experts%7CSaison%209%20des%20Experts%7C"
                        . "Sara%20Sidle%7CSofia%20Curtis%7CS%C3%A9rie%20t%C3%A9l%C3%A9vis%C3%A9e%7CWallace%20Langham%7C"
                        . "Warrick%20Brown%7CWendy%20Simms%7C%C3%89tats-Unis"
                );

                $this->canRun = function_exists ( 'mb_check_encoding' );

                if ( $this->canRun ) {
                        $this->mDescription = "Benchmark for using a regexp vs. mb_check_encoding to check for UTF-8 encoding.";
                        mb_internal_encoding( 'UTF-8' );
                } else {
                        $this->mDescription = "CANNOT RUN benchmark using mb_check_encoding: function not available.";
                }
        }

        public function execute() {
                if ( !$this->canRun ) {
                        return;
                }
                $benchmarks = array();
                foreach ($this->data as $val) {
                        $benchmarks[] = array(
                                'function' => array( $this, 'use_regexp' ),
                                'args' => array( rawurldecode ( $val ) )
                        );
                        $benchmarks[] = array(
                                'function' => array( $this, 'use_regexp_non_capturing' ),
                                'args' => array( rawurldecode ( $val ) )
                        );
                        $benchmarks[] = array(
                                'function' => array( $this, 'use_regexp_once_only' ),
                                'args' => array( rawurldecode ( $val ) )
                        );
                        $benchmarks[] = array(
                                'function' => array( $this, 'use_mb_check_encoding' ),
                                'args' => array( rawurldecode ( $val ) )
                        );
                }
                $this->bench( $benchmarks );
                print $this->getFormattedResults();
        }

        private $isutf8;

        function use_regexp( $s ) {
                $this->isutf8 = preg_match( '/^([\x00-\x7f]|[\xc0-\xdf][\x80-\xbf]|' .
                                '[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xf7][\x80-\xbf]{3})+$/', $s );
        }

        function use_regexp_non_capturing( $s ) {
                // Same as above with a non-capturing subgroup.
                $this->isutf8 = preg_match( '/^(?:[\x00-\x7f]|[\xc0-\xdf][\x80-\xbf]|' .
                                '[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xf7][\x80-\xbf]{3})+$/', $s );
        }

        function use_regexp_once_only( $s ) {
                // Same as above with a once-only subgroup.
                $this->isutf8 = preg_match( '/^(?>[\x00-\x7f]|[\xc0-\xdf][\x80-\xbf]|' .
                                '[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xf7][\x80-\xbf]{3})+$/', $s );
        }

        function use_mb_check_encoding( $s ) {
                $this->isutf8 = mb_check_encoding( $s, 'UTF-8' );
        }

}

$maintClass = 'bench_utf8_title_check';
require_once( RUN_MAINTENANCE_IF_MAIN );