Online PHP editor | perf for 6Xbde

<?php function RC($flags = ""){ return new RegCode($flags); } static class RegCodeFn { public static function escape($s){ return preg_replace("/[\\/\\\\\\^\\[\\]\\.\\$\\{\\}\\*\\+\$\$\\|\\?\\<\\>]/", "\\\\$0", $s); } public static function compileArr($chain){ $l = count($chain); $code = ""; for ($i=0; $i < $l; $i++) { $code .= RegCodeFn::compile($chain[$i],($i + 1) < $l ? $chain[$i+1]['type'] == 'repeat' : false); } return $code; } public static function compile($item, $repeatNext){ switch ($item['type']) { case 'range': return '[' . ($item['not']?'^':'') . $item['allowed'] . ']'; break; case 'group': $res = RegCodeFn::compileArr($item['chain']); return '(' . ($item['assertion']?:'') . ($item['name']?(($item['assertion']?'':'?') . 'P<' . $item['name'] . '>' ):'') . $res['code'] . ')'; break; case 'raw': case 'text': if($repeatNext && strlen($item['code']) > 1 && !(strlen($item['code']) == 2 && $item['code'][1] == '\\')){ return '(?:' . $item['code'] . ')'; }else{ return $item['code']; } break; case 'any': return "."; break; case 'end': return '$'; break; case 'start': return '^'; break; case 'repeat': return $item['code']; break; } } } class RegCode { public $flags; public $chain; public function __construct($flags = ""){ if(is_string($flags)){ $this->flags = $flags?:""; }else{ $this->flags = $flags->flags; $this->chain = clone $flags->chain; } } public function start(){ $this->chain[] = array('type'=>"start"); return $this; } public function end(){ $this->chain[] = array('type'=>"end"); return $this; } public function range($allowed, $escape = true){ if($escape) $allowed = RegCodeFn::escape($allowed); $this->chain[] = array( 'type'=>'range', 'not'=>false, "allowed"=>$allowed ); return $this; } public function notRange($allowed, $escape = true){ if($escape == null) $escape = true; if($escape) $allowed = RegCodeFn::escape($allowed); $this->chain[] = array( 'type'=>'range', 'not'=>true, "allowed"=>$allowed ); return $this; } public function group($name, $assertion = null, $chain = null){ $chain = $chain == null?($assertion == null ? $name : $assertion):$chain; $assertion = is_string($assertion) ? $assertion : false; $name = is_string($name) ? $name : false; $this->chain[] = array( 'type'=>'group', 'assertion'=>$assertion, 'name'=>$name, 'chain'=>$chain->chain ); return $this; } public function any(){ $this->chain[] = array("type"=>'any'); return $this; } public function repeat($min, $max = false){ $code = ($min == '?' && $min == '*' && $min == '+')?$min:'{'.($min?:0) . ($max===false?',' . ($max?:''):'') . '}'; $this->chain[] = array( "type"=>"repeat", "code"=>$code ); return $this; } public function raw($code){ $this->chain[] = array( "type"=>'raw', "code"=>$code ); return $this; } public function text($text,$escape){ if($escape == null) $escape = true; $this->chain[] = array( 'type'=>'text', "code"=>$escape?RegCodeFn::escape($text):$text ); return $this; } public function __toString(){ return "/" . RegCodeFn::compileArr($this->chain) . "/" . $this->flags; } public function compile($force){ return new RegCodeCompiled(RegCodeFn::compileArr($this->chain), $this->flags); } } class RegCodeCompiled { public $code; public $flags; public function __construct($code, $flags){ $this->code = $code; $this->flags = $flags; } public function match($subject, &$matches = null, $flags = 0, $offset = 0){ return preg_match("/" . $this->code . "/" . $this->flags, $subject, $matches, $flags, $offset); } public function match_all(){ } public function replace($replacement, $subject, $limit = -1, &$count = null){ return preg_replace("/" . $this->code . "/" . $this->flags, $replacement, $subject, $limit, &$count); } public function replace_callback($callback, $subject, $limit = -1, &$count = null){ return preg_replace_callback("/" . $this->code . "/" . $this->flags, $callback, $subject, $limit, &$count); } } echo RC() ->start() ->range('a-z') ->range('a-z0-9')->repeat(3,null) ->end()

Version	System time (s)	User time (s)	Memory (MiB)
5.4.26	0.030	0.073	19.13
5.4.25	0.027	0.033	19.19
5.4.24	0.010	0.043	19.07
5.4.23	0.020	0.070	18.83
5.4.22	0.010	0.047	19.13
5.4.21	0.013	0.040	19.08
5.4.20	0.017	0.040	19.08
5.4.19	0.017	0.043	18.86
5.4.18	0.023	0.073	19.01
5.4.17	0.017	0.043	19.18
5.4.16	0.013	0.043	18.99
5.4.15	0.027	0.043	18.82
5.4.14	0.023	0.067	16.26
5.4.13	0.020	0.040	16.40
5.4.12	0.027	0.030	16.34
5.4.11	0.017	0.067	16.56
5.4.10	0.020	0.037	16.46
5.4.9	0.013	0.073	16.54
5.4.8	0.020	0.070	16.26
5.4.7	0.020	0.057	16.46
5.4.6	0.013	0.057	16.52
5.4.5	0.013	0.043	16.48
5.4.4	0.017	0.037	16.53
5.4.3	0.027	0.057	16.25
5.4.2	0.017	0.040	16.51
5.4.1	0.020	0.057	16.32
5.4.0	0.033	0.060	15.90
5.3.28	0.027	0.040	14.52
5.3.27	0.030	0.043	14.61
5.3.26	0.027	0.073	14.71
5.3.25	0.030	0.067	14.72
5.3.24	0.030	0.067	14.68
5.3.23	0.020	0.070	14.64
5.3.22	0.037	0.050	14.57
5.3.21	0.020	0.073	14.68
5.3.20	0.023	0.063	14.54
5.3.19	0.030	0.067	14.47
5.3.18	0.033	0.063	14.55
5.3.17	0.023	0.073	14.57
5.3.16	0.027	0.067	14.58
5.3.15	0.020	0.057	14.49
5.3.14	0.023	0.070	14.47
5.3.13	0.027	0.050	14.66
5.3.12	0.027	0.043	14.62
5.3.11	0.020	0.047	14.47
5.3.10	0.020	0.077	14.12
5.3.9	0.017	0.043	13.99
5.3.8	0.020	0.037	14.10
5.3.7	0.027	0.060	14.13
5.3.6	0.013	0.040	13.96
5.3.5	0.020	0.070	13.86
5.3.4	0.023	0.047	13.94
5.3.3	0.023	0.060	13.82
5.3.2	0.033	0.033	13.61
5.3.1	0.027	0.050	13.71
5.3.0	0.023	0.057	13.69
5.2.17	0.020	0.037	13.00
5.2.16	0.010	0.033	13.00
5.2.15	0.013	0.033	13.00
5.2.14	0.013	0.030	13.00
5.2.13	0.017	0.027	13.00
5.2.12	0.017	0.023	13.00
5.2.11	0.017	0.030	13.00
5.2.10	0.013	0.027	13.00
5.2.9	0.017	0.023	13.00
5.2.8	0.010	0.030	13.00
5.2.7	0.013	0.027	13.00
5.2.6	0.017	0.023	13.00
5.2.5	0.007	0.040	13.00
5.2.4	0.013	0.027	13.00
5.2.3	0.007	0.030	13.00
5.2.2	0.017	0.023	13.00
5.2.1	0.010	0.027	13.00
5.2.0	0.010	0.037	13.00
5.1.6	0.010	0.030	13.00
5.1.5	0.020	0.023	13.00
5.1.4	0.017	0.017	13.00
5.1.3	0.003	0.030	13.00
5.1.2	0.013	0.023	13.00
5.1.1	0.013	0.023	13.00
5.1.0	0.010	0.027	13.00
5.0.5	0.003	0.023	13.00
5.0.4	0.003	0.023	13.00
5.0.3	0.007	0.030	13.00
5.0.2	0.007	0.020	13.00
5.0.1	0.010	0.013	13.00
5.0.0	0.007	0.033	13.00
4.4.9	0.007	0.010	13.00
4.4.8	0.000	0.017	13.00
4.4.7	0.007	0.013	13.00
4.4.6	0.003	0.017	13.00
4.4.5	0.003	0.017	13.00
4.4.4	0.010	0.020	13.00
4.4.3	0.007	0.013	13.00
4.4.2	0.003	0.017	13.00
4.4.1	0.003	0.020	13.00
4.4.0	0.003	0.027	13.00
4.3.11	0.000	0.020	13.00
4.3.10	0.003	0.020	13.00
4.3.9	0.003	0.017	13.00
4.3.8	0.000	0.027	13.00
4.3.7	0.007	0.017	13.00
4.3.6	0.010	0.013	13.00
4.3.5	0.007	0.020	13.00
4.3.4	0.007	0.023	13.00
4.3.3	0.000	0.013	13.00
4.3.2	0.000	0.017	13.00
4.3.1	0.000	0.017	13.00
4.3.0	0.000	0.020	13.00