PHP strlen() Function

PHP strlen() Function

The strlen() function in PHP is used to return the length of the specified string.

Syntax

strlen ( string $string )

Parameter

string(required)- This parameter represents the string which is measured for length.

Return

This function returns the length of the string on success or returns 0 if the specified string is empty.

Example 1

Output

Original string: Hello Tutorial And Example
The length of string: 26

Example 2

Output

Original string:  T  A  E
The length of string: 8

Example 3

Output

Original string: 
The length of string: 0

Example 4

Output

The string is empty. Please insert some value!

Related Topics

PHP is_resource() Function

PHP is_resource() Function The is_resource() function in PHP finds whether a variable is a resource or not. It returns a Boolean value TRUE if the parameter var is resource, else it returns FALSE Syntax is_resource ( mixed $var ) Parameter var(required)- This parameter represents the value to check. Return This function...

1 minute read.

PHP prev() Function

PHP prev() Function The prev() function in PHP rewinds or moves back the internal array pointer one place backward and returns the prev array value. It behaves like next() function, except that this function rewinds the...

1 minute read.

PHP convert_uuencode() Function

PHP convert_uuencode() Function The convert_uuencode() function in PHP is used to encode a string and returns the uuencoded data. Syntax convert_uuencode ( string $data ) Parameter data(required)- This parameter represents the data to be encoded. Return This function returns the uuencoded data or FALSE on failure. Example 1 <?php //...

2 minutes read.

PHP array_slice() Function

PHP array_slice() Function The array_slice() function in PHP is used to extract a slice of the array. It returns the sequence of elements from the array as specified by the offset and length parameters. Syntax array_slice ( array $array , int $offset [, int $length = NULL [, bool $preserve_keys = FALSE ]] ) Parameter array(required)- This array represents the...

2 minutes read.

PHP Echo And Print

In PHP, echo and print is used to get output data to the screen but there is some difference, between echo and print. PHP echo PHP echo is used to display the...

1 minute read.

PHP crypt() Function

PHP crypt() Function The crypt () function in PHP returns a hashed string using DES, Blowfish, or MD5 algorithms. Some constants of crypt() function are as follows: [CRYPT_STD_DES][CRYPT_EXT_DES][CRYPT_MD5][CRYPT_BLOWFISH][CRYPT_SHA_256][CRYPT_SHA_512] etc. Syntax crypt ( string $str [, string $salt ] ) Parameter str(required)- This parameter represents the string to be hashed salt(optional)- This parameter...

2 minutes read.

PHP Include Function

PHP Include( ) The PHP include() statement holds all the code/text that liesin the defined file and paste it into the file that uses the "include" statement. With the help of include...

3 minutes read.

PHP setlocale() Function

PHP setlocale() Function The setlocale() function in PHP sets locale information(language, monetary, time and, other information specific for a geographical area.) Syntax setlocale ( int $category , array $locale ) Parameter category(required)- This parameter specified a named constant specifying the category of the functions affected...

1 minute read.

PHP strcasecmp() Function

PHP strcasecmp() Function The strcasecmp() function in PHP compares two strings. It is a binary-safe case-insensitive string function. Syntax strcasecmp ( string $str1 , string $str2 ) Parameter str1(required)- This parameter represents the first string. str2(required)- This parameter represents the second string. Return This function returns a value less than( <...

1 minute read.

Python main() function

What is a main() function? In most of the programming languages, there is this one special function i.e., main() which is executed firstly everytime when we run the program. The special...

6 minutes read.

PHP trim() Function

PHP trim() Function The trim() Function in PHP strips the whitespace or other characters from the beginning and the end of the given string. The trim() function strips the following characters: " " - an ordinary space."\t"- a tab."\n"- a new...

1 minute read.

PHP Explode() Function

PHP Explode The PHP explode( ) is used to break a string into an array. The PHP explode( ) allow us to break a string into a smaller text with each break...

1 minute read.

PHP is_integer() Function

The PHP is_integer() function in PHP is used to find whether a variable is an integer or not. It returns a Boolean value true if the parameter var is integer else it returns...

1 minute read.

PHP implode() Function

PHP implode() Function The implode() function in PHP joins the specified array elements with a string. Syntax implode ( string $glue, array $pieces ) Parameter glue(optional)- It specifies what to put between the array elements. pieces(required)- This parameter represents...

1 minute read.

PHP For Loops

PHP for loop is used when the specified condition is predefined. Syntax: for (initialization; condition; increment/decrement ) { code to be executed; } Example <!DOCTYPE html> <html> <head> <title>PHP Tutorial</title> </head> <body> <?php echo " Print counting using for loop"."<br>"; for($i=1;$i<=5;$i++){ echo $i."<br>"; } ?> </body> </html> Output Print counting using...

1 minute read.

PHP addslashes() Function

PHP addslashes() Function The addslashed() function in PHP is used to return a string with backslashes in front of predefined characters. This function is only used with some characters which are...

1 minute read.

PHP Validation

PHP validation is used to check whether the field is filled or not in the proper way by the user. There are two types of validation in PHP. Client Side Validation:...

5 minutes read.

PHP Magic Constants

There are various predefine PHP Magic Constants. It starts with underscore(__) and ends with double underscore. Magic Constant Description __LINE__ To check current line number of the file. __FILE__ To check full path and filename of...

1 minute read.

PHP is_real() Function

The PHP is_real () function in PHP is used to find whether the type of the specified variable is a float or not. It returns a Boolean value true if the parameter...

1 minute read.

PHP Do While Loop

PHP do while loop is used to execute the code at least one time because condition is checked after executing the code. Syntax: do{ //code to be executed }while(condition); Output <?php $n=1; do{ echo "$n<br/>"; $n++; }while($n<=5); ?> Output 1 2 3 4 5 ← Prev Next →...

1 minute read.