PHP String functions

     Php string function is used to do some action in strings, string is the set of characters. We have many string functions they are.

• strlen()
• strrev()
• str_word_count()
• strpos()
• str_replace()

Find String Length in php

     strlen() function is used to get the total length of the given string.

Syntax for strlen()

strlen("string");

Example(Press Run to O/P):

String Reverse in php

     strrev() function is used to reverse the order of the string return that value.

Syntax for strrev()

strrev("String");

Example(Press Run to O/P):

Words count in php

     php str_word_count() is used to count the words in given sentence.

Syntax for str_word_count()

str_word_count ("sentence or string");

Example(Press Run to O/P):

Find string position

     strpos() is used to search a particular string or character and returns the position of the string.

Syntax for strpos

strpos ("string1","string2");

     compare string 2 with string1 and if it was matched return the index.
Example(Press Run to O/P):

Replace method in php

     str_replace() is used to replace the particular string with matched string

Syntax for str_replace

str_replace("string1","string2","string3");

     Compare the string1 with string3 and if it is matched, replace matched string3 strings to string2
Example(Press Run to O/P):