note 52259 added to ref.strings

<?php /* * str_match * * return a string with only cacacteres defined in a expression return false if the expression is not valid * * @param $str string the string * @param $match the expression based on the class definition off a PCRE regular expression. * the '[', ']', '\' and '^' at class start need to be escaped. * like : -a-z0-9_@. */ function str_match( $str, $match ) { $return = ''; if( eregi( '(.*)', $match, $class ) ) { $match = '['.$regs[1].']'; for( $i=0; $i<strlen($str); $i++ ) if( ereg( '['.$class[1].']', $str[$i] ) ) $return .= $str{$i}; return $return; } else return false; } /* * example * accept only alphanum caracteres from the GET/POST parameters 'a' */ if( ! empty($_REQUEST['a']) ) $_REQUEST['a'] = str_match( $_REQUEST['a'], 'a-zA-Z0-9' ); else $_REQUEST['a'] = 'default'; ?> ---- Manual Page -- http://www.php.net/manual/en/ref.strings.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+52259 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+52259&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+52259&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+52259&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+52259&report=yes&reason=useless Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+52259&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+52259&report=yes Search -- http://master.php.net/manage/user-notes.php