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How to append a string in PHP ?

  • Last Updated : 02 Jun, 2020

We have given two strings and the task is to append a string str1 with another string str2 in PHP. There is no specific function to append a string in PHP. In order to do this task, we have the this operator in PHP:

Using Concatenation assignment operator (“.=”): The Concatenation assignment operator is used to append a string str1 with another string str2.

Syntax:

$x .= $y

Example :

PHP




<?php
// PHP program to append a string 
  
  
// function to append a string 
function append_string ($str1, $str2) {
      
    // Using Concatenation assignment
    // operator (.=)
    $str1 .=$str2;
      
    // Returning the result 
    return $str1;
}
  
// Given string
$str1 = "Geeks"
$str2 = "for"
$str3 = "Geeks"
  
// function calling
$str = append_string ($str1, $str2);
$str = append_string ($str, $str3);
  
// Printing the result
echo $str
?>
Output



GeeksforGeeks

Using Concatenation Operator(“.”): The Concatenation operator is used to append a string str1 with another string str2 by concatenation of str1 and str2.

Syntax:

$x . $y

Example :

PHP




<?php
// PHP program to append a string 
  
  
// Function to append a string 
function append_string ($str1, $str2){
      
    // Using Concatenation assignment
    // operator (.)
    $str = $str1 . $str2;
      
    // Returning the result 
    return $str;
}
  
// Given string
$str1 = "Geeks"
$str2 = "for"
$str3 = "Geeks"
  
// Function calling
$str = append_string ($str1, $str2);
$str = append_string ($str, $str3);
  
// Printing the result
echo $str
?>
Output
GeeksforGeeks



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