PHP Strings

                                   

 

                          STRINGS

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string:-collection of characters and words.

1)implode():-implode(",",array):-it will return the array with seperated ,

supposing i am giving * instead of , it will return the array with * seperator.

2)explode():-(" ",array)

            it will return where the space is there ,that is treated

an element,we should print index wise of the element.

//see example string4.php

3)str_repeat():-str_repeat("*=",10)//o/p *=*=*=up to 10 times

4)str-replace():-str_replace($string1," ","this is apparao");

it will return the first string and this is apparao ,first check the positions ,if first position in the string

and a is same

it doesnot print any thing ,and check second position 2 element

in the string and p is not same  then it will print p.like this way.

            (or)

str_replace("is","was",$string);

            it will replace was in the place of is in the string $string(****)

ereg_replace():-i am not understood this please verify once again.

*** strstr():-strstr($string,'needle');

            examle:-strstr($string,'@');

it will return after the @

apparao_katra@yahoo.com--->o/p @yahoo.com

strtok():-it will return the words.

substr():-it will return the substring . we have to give the positions to retrieve the substring

example:-1) substr('abcdef',1);o/p bcdef

                            2) substr('abcdef',1,3);//o/p bcd

ucfirst($string):-it will change the first char is capital

ucwords($stirng):-it will change every word first char is capital

wordwrap():-wordwrap($text, 20,"<br>");

it return every 20 chars break.

strlen():-it will return the length of the string.

stristr(string,'char'):-it will return the from that char on wards.

            $email = 'USER@EXAMPLE.com';

 echo stristr($email, 'e');

// outputs ER@EXAMPLE.com

strrev(string):-it will return the string from back.

strtolower(string):-it will return the string into small case.

strtoupper(string):-ir will return the string into upper case.

//see string16.php ***********

strripos($string,$needle):-it will return the position of the needle