Remove empty paragraph tags in php.

You can remove empty <p> tags from content using preg_replace function in php. For searching empty paragraph tags in content , we need to use regulars expression code. See following example. <?php $string = ‘<p>Lorem Ipsum is simply dummy text of the printing and typesetting industry.</p><p></p>’; //content with empty paragraph $string .= ‘<p>this paragraph has … More Remove empty paragraph tags in php.

Check valid md5 string in PHP

<?php $md5 = ‘d67c5cbf5b01c9f91932e3b8def5e5f8’; $flag = Check_Valid_Md5_String($md5); if ($flag){ // flag true means string is a valid md5 encrypation echo ‘valid md5 string’; }else{ echo ‘invalid md5 string or empty string’; } //this function will check the string function Check_Valid_Md5_String($md5=”){ if(empty($md5)) return false; return preg_match(‘/^[a-f0-9]{32}$/’, $md5); } ?>