Tag Archives: php tutorial for beginners with examples

September 6, 2015 Php Tutorial

PHP count_chars Function

PHP count_chars Function: It returns the characters and no of times used in the string.

How to use PHP count_chars Function?


count_chars(string,mode)

String : Input String
Mode : Defines the return mode. Following mode types are available.

0 – Array in key and value pair ASCII Value as key and number of occurrences as value.
1 – Array in key and value pair ASCII Value as key and number of occurrences as value only lists occurrences greater than zero.
2 – Array in key and value pair ASCII Value as key and number of occurrences as value only lists occurrences equal to zero.
3 – A string with all the different characters which have been used.
4 – A string with all characters which have not been used.

PHP count_chars Function Example 1

$string = "ABCA";
$s = count_chars($string,1);
print_r($s);

In the Result below the ASCII value is key and The No of occurrence at value in array.
Output of the above example will be :

PHP count_chars() Function

PHP count_chars Function Example 1

$string = "ABCA";
$s = count_chars($string,3);
echo $s;

PHP count_chars () Function

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September 6, 2015 Php Tutorial

PHP convert_uudecode Function

PHP convert_uudecode Function : It is used to decode a string using the uudecode algorithm.

PHP convert_uudecode Function Syntax


convert_uudecode(string)

String : Input String
Output : Decoded String.

PHP convert_uudecode Function

$string = "-2&5L;&\@5V]R;&0@(0`` `";
$str = convert_uudecode($string);
echo $str;

Output of the above example will be :

PHP convert_uudecode() Function

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September 6, 2015 Php Tutorial

PHP convert_uuencode Function

PHP convert_uuencode Function : It is used to encode a string using the uuencode algorithm.

PHP convert_uuencode Function Syntax


convert_uuencode(string)

String : Input String
Output : Encoded String.

PHP convert_uuencode Function

$string = "Hello World !";
$str = convert_uuencode($string);
echo $str;

Output of the above example will be :

PHP convert_cyr_string() Function

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September 6, 2015 Php Tutorial

PHP convert_cyr_string Function

PHP convert_cyr_string Function : Is Used to convert one character set to another character set.

PHP convert_cyr_string Function Syntax

convert_cyr_string(string, from, to)

Following charsets are available :

k – koi8-r
w – windows-1251
i – iso8859-5
a – x-cp866
d – x-cp866
m – x-mac-cyrillic

PHP convert_cyr_string Function

$string = "Hello World !";
$str = convert_cyr_string($string,w,a);
echo $str;

Output of the above example will be :

PHP convert_cyr_string Function

PHP convert_cyr_string Function

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September 5, 2015 Php Tutorial

PHP chunk_split Function

PHP chunk_split() Function : This Functions splits the string in series of smaller parts.

PHP chunk_split Function Syntax

chunk_split(string,length,end)

String : Required String input parameter.
Length : Optional , Number – The length of chunks. Default is 76.
End : Optional : String – Defines what to place at the end of each chunk. Default is \r\n

PHP chunk_split() function Example 1

$string = "Hello Tani!";
$chunk_split = chunk_split($string,3,'---');
echo $chunk_split;

PHP chunk_split() function Example 2

$string = "Hello Tani!";
$chunk_split = chunk_split($string,1,'_');
echo $chunk_split;

Output of the above Example will be as below:

PHP chunk_split Function

PHP chunk_split() Function

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September 5, 2015 Php Tutorial

PHP chr Function

PHP chr function : is used to convert an ASCII number to character.

PHP chr Function Syntax

chr(ascii)

ascii : is ascii value to convert.

Return : Returns Characters

PHP chr() function Example 1

$chr = chr(42);
echo "my character value is : $chr";

Note : ord() works as the reverse of the chr() function.

Output of the above Example :

PHP chr() Function

PHP chr() function Example 2

$chr = chr(100);
echo "my character value is : $chr";

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September 5, 2015 Php Tutorial

PHP chop Function

PHP chop Function : The Chop() function is used to remove the whitespaces or predefined character from right end of the string.

How to use PHP chop Function?

chop(string,charlist)

String: String to check.
charlist: Character List to be removed.
charlist : Following characters are removed if charlist is empty :

“\0” – NULL
“\t” – tab
“\n” – new line
“\x0B” – vertical tab
“\r” – carriage return
” ” – ordinary white space

function Example 2

$string = "Hey Buddy it's John";
$result = chop($string,"John");
echo $result;

PHP chop Function

PHP chop Function Example

String With White Space At the End

PHP chop() function Example 2

$string = "Hey Buddy it's John ";
$result = chop($string);
echo $result;

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September 5, 2015 Php Tutorial

PHP bin2hex Function

PHP bin2hex Function :The string function bin2hex() converts the binary string to hexadecimal string. It accepts parameter as string and returns the hexadecimal.

Syntax for PHP bin2hex function :

bin2hex(string)

Returns : Hexadecimal String

PHP bin2hex Example 1

$string = "11111";
$result = bin2hex($string);
echo $result;

bin2hex Function Example

PHP bin2hex Function Example

PHP bin2hex Example 2

$string = "Hello world!";
$result = bin2hex($string);
echo $result;

PHP bin2hex Function Example

PHP bin2hex Example

PHP bin2hex Reverse

$string = "Hello world!";
$result1 = bin2hex($string);
echo $result1."
";
$result2 = pack("H*",$result1);
echo $result2;

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September 5, 2015 Php Tutorial

PHP addslashes Function

PHP addslashes Function : The string function addslashes adds backslash(\) before each single quote(‘) , double quote(“) in string. Sometimes you need single quotes or double quotes with backslashes. Example (\”) or (\’)

How to use PHP addslashes Function Syntax


addslashes(string)

Input : String.

Retrun : String with backslash.

Single Quotes Example

$string = "Hey Buddy it's John";
$result = addslashes($string);
echo $result;

We have a string “Hey Buddy it’s John” in which we will test the function addslashes. We want to add backslash before the “s” character ie “it\’s”. Which will produce the string with backslash as
“Hey Buddy it\’s John.”.
Output :

PHP addslashes Function

PHP addslashes Function

Double Quotes Example

$string = 'Hey Buddy it"s John';
$result = addslashes($string);
echo $result;

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