PHP echo() function

The echo() function used to display the output on screen

Syntax

echo ( string $strings ) : void

Parameters

Parameter Name	Descrption
$strings	Required, Take multiple parameters separated by comma.

Return Value

void:: no value is returned

echo() examples

$sting ="Test String";
echo $sting;
//Output :: Test String

//echo with html text data
echo "PHP is scripting language ";

//echo without parentheses
echo "Hello World!";

//echo with parentheses
echo ("Hello World!");

//echo with multiple parameters
echo "PHP ", "is a ", "server-side ","scripting language";

$string1=" Coding";
$string2=" at Qoify.com";
echo "Learn ".$string1.$string2;

$a=5;
$b=7;
echo $a+$b;

Note:

1- echo is a language construct, it is not a function, so parentheses are not required.
2- It is a language construct so it can not be called using variable functions

Difference between echo and print

echo has no return value while print has a return an integer value, which is 1
echo can take multiple parameters separated by comma (,) while print can take one argument.
echo is faster than print.

Related Functions

print(): Output a string
printf(): Output a formatted string

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