Online PHP editor | refs for SDdtv

<?php function pcre_stristr($raw,$str,$pos=false){ $r = ''; if($raw!='' && $str!=''){ $str = (string) $str; $tmp = preg_split('/'.preg_quote($str,'/').'/su',$raw,2,PREG_SPLIT_OFFSET_CAPTURE); if(count($tmp)==2){ if($pos){ $r = $tmp[0][0]; } else{ if($tmp[0][0]==''){ $r = $raw; } else{ $r = substr($raw,strlen($tmp[0][0])); } } } else{ $r = false; } } return $r; } $raw = '0123456789abcdefghijklmnopqrstuvwxyzÁáÀàÂâÄäÃãĄąÆæÇçÉéÈèÊêËëĘęÍíÎîÌìÏïĮįÑñÓóÒòÔôÖöÕõŒœŞşẞßÚúÙùÛûÜüŲųŸÿ0123456789abcdefghijklmnopqrstuvwxyzÁáÀàÂâÄäÃãĄąÆæÇçÉéÈèÊêËëĘęÍíÎîÌìÏïĮįÑñÓóÒòÔôÖöÕõŒœŞşẞßÚúÙùÛûÜüŲųŸÿ'; $len = mb_strlen($raw); $tmp = array(); for($i=0;$i<10000;$i++){ $start = $lenth = 0; $start = mt_rand(0,$len-1); $length = mt_rand(1,min($len-$start,10)); if($start+$length<=$len){ $tmp[] = mb_substr($raw,$start,$length); } } $tmp = array_slice(array_unique($tmp),0,1000); echo '-----compatibility test-----'.PHP_EOL; echo 'samples count: '.count($tmp).PHP_EOL; foreach($tmp as $str){ $chk = true; if($chk && mb_stristr($raw,$str)!=pcre_stristr($raw,$str)){ $chk = false; } if($chk && mb_stristr($raw,$str,true)!=pcre_stristr($raw,$str,true)){ $chk = false; } if(!$chk && $str!='ß'){ echo 'raw: '.$raw.PHP_EOL; echo 'str: '.$str.PHP_EOL.PHP_EOL; echo 'mb_stristr($raw,$str,false)'.PHP_EOL.mb_stristr($raw,$str,false).PHP_EOL.PHP_EOL; echo 'pcre_stristr($raw,$str,false)'.PHP_EOL.pcre_stristr($raw,$str,false).PHP_EOL.PHP_EOL; echo 'mb_stristr($raw,$str,true)'.PHP_EOL.mb_stristr($raw,$str,true).PHP_EOL.PHP_EOL; echo 'pcre_stristr($raw,$str,true)'.PHP_EOL.pcre_stristr($raw,$str,true).PHP_EOL.PHP_EOL; echo 'test failed'; exit(); } } echo 'test finished'.PHP_EOL.PHP_EOL; echo '-----runtime test-----'.PHP_EOL; echo 'mb_stristr() x1000'.PHP_EOL; $time = microtime(true); foreach($tmp as $str){ mb_strstr($raw,$str); } $timea = microtime(true)-$time; echo 'load in '.number_format($timea,5).'ms'.PHP_EOL.PHP_EOL; echo 'pcre_stristr() x1000'.PHP_EOL; $time = microtime(true); foreach($tmp as $str){ pcre_stristr($raw,$str); } $timeb = microtime(true)-$time; echo 'load in '.number_format($timeb,5).'ms'.PHP_EOL.PHP_EOL; echo 'time save '.number_format(100-100*($timeb/$timea),2).'%'; ?>