It compares two strings (case-insensitive)

Example

<?php
if (strcasecmp(“phpcode”, “PHPCode”) == 0) {
echo ‘Strings are equal’;
}
?>

Output

Strings are equal

It return the number of words in a string

Example

<?php
echo “<pre>”;
print_r(str_word_count(‘It return the number of words in a string’));
?>

Output

9

It convert a string to an array

Example

<?php
echo “<pre>”;
print_r(str_split(‘phpcode’,2));
?>

Output

Array
(
[0] => ph
[1] => pc
[2] => od
[3] => e
)

It randomly shuffles a string

Example

<?php
echo str_shuffle(‘phpcode’);
?>

Output

oehppdc

It perform the rot13 transform on a string

Example

<?php
echo str_rot13(‘PHP Code’);
?>

Output

CUC Pbqr

It replace all occurrences of the search string with another string

Example

<?php
echo  str_replace(“phpcodez”, “phpcode”, “phpcodez welcomes you”);
?>

Output

phpcode welcomes you

It repeats a string

Example

<?php
echo str_repeat(“php code”, 5);
?>

Output

php codephp codephp codephp codephp code

It pads a string to a certain length with another string

Example

<?php
echo str_pad(“phpcode”,20,”z”);
?>

Output

phpcodezzzzzzzzzzzzz

It replaces some characters in a string (case-insensitive)

Example

<?php
echo  str_ireplace(“phpcodez”, “phpcode”, “phpcodez”);
?>

Output

phpcode

It parse a CSV string into an array

Example

<?php
echo “<pre>”;
print_r(str_getcsv(“php,code”));
?>

Output

fiArray
(
[0] => php
[1] => code
)