To create an empty object use stdClass

 $obj = new \stdClass();

php php5 stdclass

Remove whitespace and special chars and add dash.

Code:

    $url = 'How to access to private property in php5';
    $url = preg_replace("`\[.*\]`U","",$url);
    $url = preg_replace('`&(amp;)?#?[a-z0-9]+;`i','-',$url);
    $url = htmlentities($url, ENT_NOQUOTES, 'UTF-8');
    $url = preg_rep...

php5 slug

Convert any "CamelCased" or "ordinary Word" into an "underscored_word"

Example:

 $word = 'MyClassPHP';
 echo  strtolower(preg_replace('/[^A-Z^a-z^0-9]+/','_', preg_replace('/([a-z\d])([A-Z])/','\1_\2', preg_replace('/([A-Z]+)([A-Z][a-z])/','\1_\2',$word))));

Results:

 my_class_php

php5 inflector underscored

Converts a word like "send_email" to "SendEmail". It will remove non aphanumeric character from the word, so "who's online" will be converted to "WhoSOnline"

Example:

 $word = 'send_email';
 echo str_replace(' ','',ucwords(preg_replace('/[^A-Z^a-z^0-9]+/',' ',$word)));

Result:

 SendEmail

php5 camelize inflector

Now! with php it's easy to validate a email address. juste use this function "filter_var" with option "FILTER_VALIDATE_EMAIL" like this:

 if (filter_var('contact@phphub', FILTER_VALIDATE_EMAIL)) //this return false

 if (filter_var('contact@phphub.net', FILTER_VALIDATE_EMAIL)) //this return true

php5 filter_var filter_validate_email