Removing single-quote from a string in php

Question

I have an HTML form that a user can input text into a title field  I then have php creating an HTML file called title html  My problem is that users can input spaces and apostrophes into the title field that can t be used in the html file name  I replaced the spaces with underscores by using    FileName   str replace            UserInput     However  I can t seem to remove single-quotes  I have tried using    FileName   preg replace             UserInput      but this took test s and turned it into test s html

User · Answer

replace str   array                  FileName   str replace  replace str       UserInput

User · Answer

You could also be more restrictive in removing disallowed characters  The following regex would remove all characters that are not letters  digits or underscores    FileName   preg replace      w          UserInput     You might want to do this to ensure maximum compatibility for filenames across different operating systems

User · Answer

I used this function htmlspecialchars for alt attributes in images

User · Answer

Try this one  You can strip just   and   with    FileName   str replace array                  UserInput

User · Answer

You can substitute in HTML entitiy     FileName   preg replace           amp  39     UserInput

User · Answer

Using your current str replace method    FileName   str replace           UserInput     While it s hard to see  the first argument is a double quote followed by a single quote followed by a double quote  The second argument is two double quotes with nothing in between   With str replace  you could even have an array of strings you want to remove entirely    remove           remove           remove      -      just as another example   FileName   str replace   remove       UserInput

User · Answer

test      employees     firstName   John    lastName   Doe     firstName   John    lastName   Doe          test   str replace            test   echo    test   jtest   json decode  test true   var dump  jtest

[php] Removing single-quote from a string in php

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