Driver program to test sentencePalindrome ( )
$ str = " Too ▁ hot ▁ to ▁ hoot . " ; if ( sentencePalindrome ( $ str ) ) echo " Sentence ▁ is ▁ palindrome . " ; else echo " Sentence ▁ is ▁ not ▁ palindrome . " ; return 0 ; ? >