PHP str replace replace spaces with underscores

Question

Is there a reason that I m not seeing  why this doesn t work        string    someLongUserGeneratedString       replaced   str replace            string       echo  replaced    The output still includes spaces    Any ideas would be awesome

User · Answer

For one matched character replace  use str replace    string   str replace            string     For all matched character replace  use preg replace    string   preg replace    s           string

User · Answer

Try this instead    journalName   preg replace    s           journalName     Explanation  you are most likely seeing whitespace  not just plain spaces  there is a difference

User · Answer

Try this instead    journalName   str replace            journalName     to remove white space

User · Answer

I ll suggest that you use this as it will check for both single and multiple occurrence of white space  as suggested by Lucas Green     journalName   preg replace    s           journalName     instead of    journalName   str replace            journalName

[php] PHP str_replace replace spaces with underscores

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