PHP | count_chars() Function

Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP count_chars() Function.

The PHP count_chars() function returns the information about characters that are used in a string.

Syntax

Following below is the syntax to use this function -

mixed count_chars ( string $string [, int $mode = 0 ] )

READ: PHP | convert_cyr_string() Function

Parameter Details

Sr.No	Parameters & Description
1	string it examined string.
2	mode it returns the mode

Return Value

Depending on mode the PHP count_chars() function returns one of the following -

• 0 - an array with the byte-value as key and the frequency of every byte as value.

• 1 - same as 0 but only byte-values with a frequency greater than zero are listed.

• 2 - same as 0 but only byte-values with a frequency equal to zero are listed.

• 3 - a string which contains all the unique characters is returned.

• 4 - a string which contains all the unused characters is returned

READ: PHP | convert_uudecode() Function

Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we will be studying about the PHP crc32() Function.

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