php strings 2

Str to lower is used to convert total string to lower case

<?php  

$str="My name is KHAN";  

$str=strtolower($str);  

echo $str;  

?>  

my name is khan

strtoupper is used to convert total string to upper case

<?php  

$str="My name is KHAN";  

$str=strtoupper($str);  

echo $str;  

?>  

MY NAME IS KHAN

Ucfirst – used to convert string starting letter is upper case

<?php  

$str="my name is KHAN";  

$str=ucfirst($str);  

echo $str;  

?>  

My name is KHAN

Lcfirst is used to convert first letter of the string to lower case

<?php  

$str="MY name IS KHAN";  

$str=lcfirst($str);  

echo $str;  

?>  

mY name IS KHAN

ucwords used to convert every ist letter of word

<?php  

$str="my name is Sonoo jaiswal";  

$str=ucwords($str);  

echo $str;  

?>  

My Name Is Sonoo Jaiswal

Strrev – used to convert each word in reverese of this string

<?php  

$str="my name is Sonoo jaiswal";  

$str=strrev($str);  

echo $str;  

?>  

lawsiaj oonoS si eman ym

strlen

<?php  

$str="my name is Sonoo jaiswal";  

$str=strlen($str);  

echo $str;  

?>  

24

Addc slashes

Used to write slash at required letter

<?php  

$str="Welcome to JavaTpoint";  

echo "Your String : ".$str;  

echo "<br>"."By using 'addcslashes()' method your string: ".addcslashes($str,'T')."<br>";  

?>  

Your String : Welcome to JavaTpoint

By using 'addcslashes()' method your string: Welcome to Java\Tpoint

Addslashes()

It will add slashes at at every single quote and double quote

<?php   

$str = 'What does "WHO" mean?';  

echo "Your string is :".$str;  

echo "<br>"."By using addslashes() function the result  is".addslashes($str);   

?>   

Your string is :What does "WHO" mean?

By using addslashes() function the result isWhat does \"WHO\" mean?

<?php  

$str = "Who's the father of PHP?";  

echo $str . " This is not safe in a database query.<br>";  

echo addslashes($str) . " This is safe in a database query.";  

?>  

Who's the father of PHP? This is not safe in a database query.

Who\'s the father of PHP? This is safe in a database query.

It will not add slashes if we write like that

<?php  

$str =  "Wow' PHP?";  

eval("echo '" . addslashes($str) . "';");  

?> 

Wow' PHP?

Is The Father of PHP\'Rasmus? 

NUMBER CONVERSATION METHODS

How to convert bin to hexa

<?php 

$str = "Hello world!"; 

echo "Your Hexadecimal Value is ".bin2hex($str) . "<br>"; 

?> 

Your Hexadecimal Value is 48656c6c6f20776f726c6421

How to convert hexa to binary using pack method

Pack will convert first given h means hexa to binary

<?php 

$str = "Hello world!"; 

echo "Your Hexadecimal Value is ".bin2hex($str) . "<br>"; 

echo pack("H*","48656c6c6f20776f726c6421") . "<br>"; 

?> 

Your Hexadecimal Value is 48656c6c6f20776f726c6421
Hello world!

   Bin2hex

Bindec

Dechex

How to remove some words in string

Chop will cut which we specify

1.    <?php  

2.    $str = "Hello World!";  

3.    echo "Your string is :".$str."<br>";  

4.    echo "By using 'chop()' Functions is your string is: ".chop($str,"World!");  

5.    ?>  

Your string is :Hello World!

By using 'chop()' Functions is your string is: Hello

We given ascii character , it will convert to alphabets in single digit

1.    <?php  

2.    $char =052;  

3.    echo "Your character is :".$char;  

4.    echo "<br>"."By using 'chr()' function your value is: ".chr($char); // Octal Value  

5.    ?>  

Your character is :42

By using 'chr()' function your value is: *

Chunk_split

How to add some characters after every 6 th or required

1.    <?php   

2.    $str = "Hello javatpoint!";  

3.    echo "Your string is:".$str;  

4.    echo "By using 'chunk_split()' function your string is:".chunk_split($str,6,"...");  

5.    ?>  

Hello ...javatp...oint!...

Your string is: Hello

By using 'chunk_split()' function your string is: H.e.l.l.o.

How to decode ur string

1.    <?php  

2.    $str ="*:F%V851P;VEN=``` ` "; // javatpoint  

3.    echo "Your Decode string is :".$str;  

4.    $encodeString ="<br>"."By using 'convert_uudecode()' function your encoded string is : ". convert_uudecode($str);  

5.    echo $encodeString . "<br>";  

6.    ?>  

Your Decode string is :*:F%V851P;VEN=``` ` 

By using 'convert_uudecode()' function your encoded string is : javaTpoint

How to encode the string

1.    <?php   

2.    // encode the string  

3.    $str2 = "I love My India";  

4.    echo "Your Decoded string is :".$str2;  

5.    $uuencodeString ="<br>"."By using 'convert_uuencode()' function your encoded string is : ". convert_uuencode($str2);  

6.    echo $uuencodeString . "<br>";  

7.    ?>  

Your Decoded string is :I love My India

By using 'convert_uuencode()' function your encoded string is : /22!L;W9E($UY($EN9&EA ` 

Explode

It sepereated by sepearaetor and third parameter tells upto

1.    <?php    

2.        // original string   

3.        $Original_str = "Hello, we are here to help you.";     

4.          

5.        // Passed zero   

6.        print_r (explode (" ",$Original_str, 0));   

7.        // Passed positive value  

8.        print_r (explode (" ",$Original_str, 4));   

9.        // Passed negative value   

10.     print_r (explode (" ",$Original_str, -3));     

11. ?>  

Array ( [0] => Hello, we are here to help you. ) Array ( [0] => Hello, [1] => we [2] => are [3] => here to help you. ) Array ( [0] => Hello, [1] => we [2] => are [3] => here )

Upto zero it splits

Html entities

It will not take html, it removes html

1.    <?php  

2.    $str = '<a href="https://www.javatpoint.com">Go to javatpoint.com</a>';  

3.    echo htmlentities($str);  

4.    ?>  

Go to javatpoint.com

1.    <?php  

2.    $str = "Hello PHP : 'E=MC?'";  

3.    echo htmlentities($str, ENT_COMPAT); // Will only convert double quotes  

4.    echo "<br>";  

5.    echo htmlentities($str, ENT_QUOTES); // Converts double and single quotes  

6.    echo "<br>";  

7.    echo htmlentities($str, ENT_NOQUOTES); // Does not convert any quotes  

8.    ?>  

Hello PHP : 'E=MC²'

Hello PHP : 'E=MC²'

Hello PHP : 'E=

How to join arrays

1.    <?php    

2.        $input_arr = array ('Noida', 'Delhi', 'Gurugram');  

3.        //join with comma and space separator  

4.        $comma_separation = implode (", ", $input_arr);  

5.        echo $comma_separation;  

6.          

7.        echo "</br>";  

8.        //join without separator  

9.        print_r (implode ($input_arr));  

10. ?>  

Noida, Delhi, Gurugram

NoidaDelhiGurugram

1.    <?php    

2.        $input_arr1 = array ('Hello', 'everyone!');  

3.        $input_arr2 = array ('One' => 'Welcome', 'Two' => 'to', 'Three' => 'Javatpoint');  

4.          

5.        //join both array elements  

6.        echo implode(' ', $input_arr1), ' / ', implode(' ', $input_arr2);  

7.    ?>  

Hello everyone! / Welcome to Javatpoint

How to add sepearators to array to string

1.    <?php  

2.    $arr = array('Hello','PHP','Join','Function');  

3.    echo join(" ",$arr)."<br>";  

4.    ?>  

Hello PHP Join Function

1.    <?php  

2.    $arr = array('Hello','PHP','Join','Function');  

3.    echo join("+",$arr)."<br>";  

4.    ?>  

Hello+PHP+Join+Function

1.    <?php  

2.    $arr = array('1', '2', '3', '4', '5', '6', '7', '8', '9', '10');  

3.    echo join('<br>', $arr);  

4.    ?>  

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• ucfirst() : It is used to convert first character of a string to uppercase.
• ucwords() : It is used to convert first character string to uppercase.
• strtoupper() : It is used to convert a string to uppercase.
• strtolower() : It is used to convert a string to lowercase.

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PHP String localeconv() Function

The localeconv() function is the in-built function of PHP. It is used to get numeric information. This function returns an array which contains local numeric and monetary formatting information. This function is a non-parameterized function, so we do not need to pass anything in this function.

Syntax

The basic syntax of the localeconv() function of PHP is:

1.    localeconv();  

Parameter

1.    ?php  

2.        setlocale(LC_MONETARY,"US");  

3.        $localeinfo =localeconv();  

4.        print_r($localeinfo);  

5.    ?>  

Array

(

    [decimal_point] => .

    [thousands_sep] => ,

    [int_curr_symbol] => USD

    [currency_symbol] => $

    [mon_decimal_point] => .

    [mon_thousands_sep] => ,

    [positive_sign] => 

    [negative_sign] => -

    [int_frac_digits] => 2

    [frac_digits] => 2

    [p_cs_precedes] => 1

    [p_sep_by_space] => 0

    [n_cs_precedes] => 1

    [n_sep_by_space] => 0

    [p_sign_posn] => 3

    [n_sign_posn] => 0

    [grouping] => Array

        (

            [0] => 3

        )

    [mon_grouping] => Array

        (

            [0] => 3

        )

)

Php itrim

1.    <?php  

2.    $str = "    Hello PHP!";  

3.    echo "Without ltrim() Function: " . $str;  

4.    echo "<br>";  

5.    echo "With ltrim() function : " . ltrim($str);  

6.    ?>  

Without ltrim() Function: Hello PHP!

With ltrim() function : Hello PHP!