Strings

  • String is a sequence of characters.
  • Strings are used to store text data.
  • Strings are declared using double quotes.

Example

$name = "OneCompiler";

String Functions

Some of the popular string functions are given below with examples

1. strlen()

strlen() function is used to return the length of a string.

<?php
  echo strlen("One Compiler"); 
?>

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2. str_word_count()

str_word_count() function is used to count the number of words present in a string.

<?php
echo str_word_count("Hello world! Happy Learning!!"); 
?>

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3. strrev()

strrev() function is used to reverse a given string.

<?php
  echo strrev("One Compiler"); 
?>

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4. str_replace()

str_replace() function is used to replace one or more characters with other given characters in a string.

<?php
echo str_replace("bar", "Foo", "Good morning bar!"); 
?>

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5. strpos()

strpos() function is used to search for a specific text within a string. If the text is found, then it returns the character position of the first match. Else, it will return FALSE.

<?php
  echo strpos("Hello world! Happy Learning!!", "appy"); 
?>

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