1] The addcslashes() function:
This function puts a backslash in front of a specific character in the string.
Example:
<?php
$m = "Errorsea";
$n = addcslashes($m,"E");
echo $n; //result: "\Errorsea"
?>Note: This function is case sensitive.
2] The addslashes() function:
This function puts a backslash in front of some predefined characters. For example, a single quote, double quote, backslash, and NULL character.
Example:
<?php
$m = addslashes("Do you visit 'Errorsea' during yourengineering ?");
echo $m; //result: "Do you visit \'Errorsea\' during your engineering?"
?>3] The bin2hex() function:
This function converts the string from ASCII characters into equivalent hexadecimal values.
Example:
<?php
$m = bin2hex("Errorsea");
echo($m); //result: 4572726f72736561
?>4] The chop() function:
This function is used for removing predefined characters and white spaces from the right end of the string.
Example:
<?php
$m = "Errorsea is good for learning.";
echo chop($m,"learning."); // result: "Errorsea is good for"
?>5] The chr() function:
This function converts the ASCII value into the equivalent character.
Note: The ASCII values can be in the form of decimal, octal, or hexadecimal.
Example:
<?php
echo chr(69) . "<br>"; // Decimal , result: "E"
echo chr(052) . "<br>"; // Octal , result: "*"
echo chr(0x743) . "<br>"; // Hex ,result: "C"
?>6] The chunk_split() function:
This function converts the string into a series of smaller parts.
Example:
<?php
$m = "Errorsea";
echo chunk_split($m,1,","); // result: "E,r,r,o,r,s,e,a,"
?>7] The convert_cyr_string() function:
This function is used for converting a string from one Cyrillic character set into another.
Such as :
- k – koi8-r
- w – windows-1251
- i – iso8859-5
- a – x-cp866
- d – x-cp866
- m – x-mac-cyrillic
Example:
<?php
$m = "Errorsea! æøå";
echo $m . "<br>";
echo convert_cyr_string($m,'w','k');
?> Note: Above code converts the string from character set w to k.
8] The convert_uudecode() function:
This function decodes the uuencoded strings.
Example:
<?php
$m = "(17)R;W)S96$` `" ;
echo convert_uudecode($m); // result: "Errorsea"
?> 9] The convert_uuencode() function:
This function encodes the character strings.
Example:
<?php
$m = "Errorsea" ;
echo convert_uuencode($m); // result: "(17)R;W)S96$` `"
?> 10] The count_chars() function:
This function returns the information about the character used in the string.
Example:
<?php
$m = "Errorsea";
echo count_chars($m,3);
?> Note: The parameter “mode 3” will return a string with all the different characters used.
Also Read: What is JavaScript Hoisting?
11] The crc32() function:
This function is used for counting cyclic redundancy of a string.
Example:
<?php
$m = crc32("Errorsea");
printf("%u\n",$m); // result: 2543775366
?>12] The echo() function:
This function outputs one or more strings.
Example:
<?php
echo "Errorsea"; // result: "Errorsea"
?> 13] The explode() function:
This function used for breaking the string into an array.
Example:
<?php
$m = "Errorsea is beautiful.";
print_r (explode(" ",$m));
// result: Array ( [0] => Errorsea [1] => is [2] => beautiful. )
?>14] The implode() function:
This function used returns string from an array.
Example:
<?php
$m = Array ( [0] => Errorsea [1] => is [2] => beautiful. );
echo (implode(" ",$m)); // result: "Errorsea is beautiful."
?>15] The hex2bin() function:
This function converts the string of hexadecimal values into equivalent ASCII characters.
Example:
<?php
$m = hex2bin("4572726f72736561");
echo($m); //result: "Errorsea"
?>16] The join() function:
This function used returns string from an array.
Example:
<?php
$m = Array ( [0] => Errorsea [1] => is [2] => beautiful. );
echo join(" ",$m); // result: "Errorsea is beautiful."
?>17] The lcfirst() function:
This function converts the first character of string into lower case.
Example:
<?php
echo lsfirst("Errorsea"); // result: "errorsea"
?>18] The ltrim() function:
This function is used for removing predefined characters and white spaces from the left end of the string.
Example:
<?php
$m = "Errorsea is good for learning.";
echo ltrim($m,"Errorsea"); // result: "is good for learning."
?>19] The rtrim() function:
This function is used for removing predefined characters and white spaces from the right end of the string.
Example:
<?php
$m = "Errorsea is good for learning.";
echo rtrim($m,"learning."); // result: "Errorsea is good for "
?>20] The md5() function:
This function converts the string into equivalent md5 hash formate.
Example:
<?php
$m = "Errorsea";
echo md5($m); // result: f896a897d60fb4f5bbb641437fa995b1
?> 21] The metaphone() function:
This function counts the metaphone keyword for the string.
Example:
<?php
echo metaphone("Errorsea"); // result: ERRS
?>22] The nl2br() function:
This function puts <br> tag in place of \n in the string.
Example:
<?php
echo nl2br("Errorsea.\nBest");
?>23] The ord() function:
The ord() is the function used for returning the ASCII value of the first character in the string.
Example:
<?php
echo ord("Errorsea"); // result: 69
?>24] The parse_str() function:
This function parse the string into different variable.
Example:
<?php
parse_str("web=Errorsea&age=23");
echo $web."<br>"; // result: web
echo $age; // result: 23
?>25] The print() function:
This function outputs one or more strings.
Example:
<?php
print "Errorsea"; // result: "Errorsea"
?> 26] The printf() function:
This function outputs the formatted one or more strings.
Example:
<?php
$no = 1;
printf("Errorsea is %u website",$no);
// result: "Errorsea is 1 website"
?> 27] The sha1() function:
This function converts the string into equivalent sha1 hash formate.
Example:
<?php
$m = "Errorsea";
echo sha1($m);
// result:41b12b63eed7ebd228932d59f79ee7677bc2e80e
?>28] The similar_text() function:
This function is used for finding similarities between two strings.
Example:
<?php
echo similar_text("Hello Yash","Hello Nick"); // result: 6
?>29] The soundex() function:
This function finds the soundex key for a string.
Example:
<?php
$m = "Errorsea";
echo soundex($m); // result: E662
?>26] The sprintf() function:
This function outputs the formatted one or more strings to a variable.
Example:
<?php
$no = 1;
$m =sprintf("Errorsea is %u website",$no);
echo $m;
// result: "Errorsea is 1 website"
?>27] The str_ireplace() function:
This function relaces some character of one string with other character string.
Example:
<?php
echo str_ireplace("Yash","Nick","Hello Yash ! ");
// result: "Hello Nick ! "
?>28] The str_pad() function:
This function expands the string to a new length.
Example:
<?php
$m = "Errorsea";
echo str_pad($m,10,"!"); // result: "Errorsea!!"
?>29] The str_repeat() function:
This function repeats the string to a specific number of count.
Example:
<?php
$m = "Errorsea";
echo str_pad($m,3); // result: "ErrorseaErrorseaErrorsea"
?>30] The str_replace() function:
This function relaces some character of one string with other character string.
Example:
<?php
echo str_replace("Yash","Nick","Hello Yash ! ");
// result: "Hello Nick ! "
?>31] The str_rot13() function:
This function converts the string into equivalent rot13 encoded formate.
Example:
<?php
$m = "Errorsea";
echo str_rot13($m); // result:Reebefrn
?>32] The str_suffle() function:
This function used for randomly shuffling the characters of the string.
Example:
<?php
echo str_shuffle("Errorsea"); // result: aEeorrrs
?>33] The str_split() function:
This function splits the string into an array.
Example:
<?php
print_r(str_split("Errorsea"));
// result: Array ( [0] => E [1] => r [2] => r [3] => o [4] => r [5] => s [6] => e [7] => a )
?>34] The str_word_count() function:
This function is used for counting the number of words in the string.
Example:
<?php
echo str_word_count("Errorsea is love"); // result: 3
?>35] The strcasecmp() function:
This function compares two strings, and it isn’t case sensitive function.
Example:
<?php
echo strcasecmp("errorsea","Errorsea"); // result: 0
?>Note: If it returns, 0 means two strings are equal.
36] The strchr() function:
This function is used for searching the first occurrence of a string inside the other string.
Example:
<?php
echo strchr("Errorsea is the best","best"); // result: "best"
?>37] The strcmp() function:
This function compares two strings, and it is case sensitive function.
Example:
<?php
echo strcmp("errorsea","errorsea"); // result: 0
?>Note: If it returns, 0 means two strings are equal.
38] The strcspn() function:
This function is used for finding the number of characters, including white space before a particular character in a string.
Example:
<?php
echo strcspn("Errorsea is love","l"); // result: 12
?>39] The strlen() function:
This function returns the length of the string.
Example:
<?php
echo strlen("Errorsea"); // result: 8
?>40] The strrev() function:
This function reverses the string.
Example:
<?php
echo strrev("Errorsea"); // result: aesrorrE
?>41] The strstr() function:
This function is used for the searching first occurrence of a string inside another string.
Example:
<?php
echo strstr("Errorsea is the best","best"); // result: "best"
?>42] The strtolower() function:
This function converts the string to lower case.
Example:
<?php
echo strtolower("Errorsea"); // result: "errorsea"
?>43] The strtoupper() function:
This function converts the string to upper case.
Example:
<?php
echo strtoupper("Errorsea"); // result: "ERRORSEA"
?>44] The substr() function:
This function returns a substring of a particular string.
Example:
<?php
echo substr("Errorsea ",5); // result: "sea"
?>45] The wordwrap() function:
This function is used for wrapping the string into different strings when it reaches a particular length.
Example:
<?php
$m = "I visit errorsea for improving my skills and for interview preparations";
echo wordwrap($m,15,"<br>\n");
?>Output:
I visit
errorsea for
improving my
skills and for
interview
preparations