PHP String Functions

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PHP String Functions

PHP is equally powerful than any other server side scripting languages in handling strings. We will experiment with some of the string functions of PHP with some examples. There are powerful functions like regular expressions to manage complex string handling requirements. Here are some of them.

PHP String Functions

All String Functions in PHP

str_replace: How to replace a part of a string with another string

str_ireplace: Case in-sensitive search and replace using array of strings

strlen: How to find length of a string in PHP?

trim: Removing empty space from both sides of a string

strrev: Reversing a string by using strrev function in PHP

Adding two or more strings in PHP

stristr: Searching for a presence of a string inside another string

nl2br: Adding Line breaks inside a string in place of carriage returns

split: Breaking a string to form array using delimiters

substr: Collecting part of a string

substr_count: Counting occurrence of sub string in main string

str_repeat: Repeating a string number of times

strtolower(): function to change alphabets to Lower case

strtoupper(): function to change characters to upper case letters

function to collect part of a string with two landmarks

Random string generator with number and alphabets for password

strcasecmp(): Case insensitive string comparison

strcmp(): Case sensitive string comparison

str_pad(): String pad with specified length

md5 hash of a string: encryption of a string

Separating domain and userid part from an email address using split

htmlspecialchars: Printing html special chars to the page

strip_tags: Removing html tags within a string

ucwords: Removing html tags within a string

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