How To Supercede A Infinite Alongside An Underscore Inwards Php?

Use str_replace business office of php to supervene upon a infinite amongst an underscore. I am posting this for those of yous who convey struggled amongst this, inwards hopes that it but mightiness salve a pair of hours.
It is such a uncomplicated solution.

 $string = "this is example"; $final = str_replace(" ","_",$string); //output : this_is_example 

Alternative solution tin hold out to purpose regular expression.


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