It finds the last occurrence of a character in a string

Example

<?php
echo strrchr(“phpcodeccr”,”co”);
?>

Output

cr

It finds the position of the first occurrence of a substring in a string

Example

<?php
echo strpos(“phpcode”,”co”);
?>

Output

3

It searches a string for any of the specified characters.

Example

<?php
echo strpbrk(“phpcode”,”co”);
?>

Output

code

It compares  first n characters (case-sensitive) of a strings

Example

<?php
echo strncmp(“phpcode”,”codez”,7);
?>

Output

1

It compares two strings

Example

<?php
echo strncasecmp(“phpcode”,”codez”,7);
?>

Output

13

It compares two strings using a “natural” algorithm.

Example

<?php
echo strnatcmp(“PHPCode”,”PHPCodez”);
?>

Output

-1

It compares two strings using a “natural” algorithm.

Example

<?php
echo strnatcasecmp(“PHPCode”,”PHPCodez”);
?>

Output

-1

It find the string length

Example

<?php
echo strlen(‘info@phpcodez.com’);
?>

Output

17

It find the first occurrence of a string(case insensitive)

Example

<?php
echo stristr(‘info@phpcodez.com’, ‘@’, true);
?>

Output

info

It removes backslashes added by the addslashes() function.

Example

<?php
echo stripslashes(“phpcode”);
?>

Output

phpcode