PHP Blank Values Inserted In Database -

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I am using PHP and MySQL

Here I am simple to insert name, email The form is used, phone number

I have confirmed all the data: (PHP code after submitting ...) 

  $ error = array (); If (isset ($ _ POST ['name']) and $ _POST ['name'] == '') {$ error [] = "Please enter a name"; } If (isset ($ _ POST ['email']) and $ _POST ['email'] == '') {$ error [] = "Please enter email"; } If (isset ($ _ POST ['phone']) & $ _POST ['phone'] == '') {$ error [] = "Please enter phone"; }   
 Finally enter the data using the query below.  
  if (count ($ error) == 0) {$ error = "" ; And query the matab ('name', 'email', 'phone') value (mysql_escape_string ($ _ POST ['name']), mysql_escape_string ($ _ POST ['email']), mysql_escape_string ($ _ POST) ['Phone'])); Redirect to success ..}   
 This works fine, but for some time I am getting $ error entry below.  
 Error log:  
  Time File Name: myfile.php $ Error Insert: Enter in mytab ('name', 'email', 'phone') value ('', '', ''); # ~ #   
 The log I was writing using my DB wrapper class (mysql_ $ error ()

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