PHP Tutorial
- Introduction to PHP
- Install PHP
- PHP Code
- PHP Echo
- PHP Print
- PHP Echo vs Print
- PHP Variable
- PHP Variable Scope
- PHP $ and $$
- PHP Constants
- PHP Magic Constants
- PHP Data Types
- PHP Operators
- PHP Comments
- Control Statement
Control Statement
- PHP If else
- PHP Switch
- PHP For Loop
- PHP foreach loop
- PHP While Loop
- PHP Do While Loop
- PHP Break
- PHP Continue
PHP Programs
- Pattern Programs
- Numbers Programs
- String Programs
- Array Programs
PHP Functions
- PHP Functions
- Parameterized Function
- PHP Call By Value
- PHP Call By Reference
- PHP Default Arguments
- PHP Variable Arguments
- PHP Recursive Function
PHP Arrays
- PHP Array
- PHP Indexed Array
- PHP Associative Array
- Multidimensional Array
- PHP Array Functions
PHP Strings
- PHP String
- PHP String Functions
PHP Math
- PHP Math Functions
PHP Form
- PHP Form: Get Post
PHP Include
- PHP include & require
State Management
- PHP Cookie
- PHP Session
PHP File
- PHP File Handling
- PHP Open File
- PHP Read File
- PHP Write File
- PHP Append File
- PHP Delete File
PHP Echo vs Print
In PHP, both echo and print are used to output strings, but there are some differences between them. Here is a comparison of the two:
Additional Details
Usage:
echo: Can output multiple strings separated by commas, e.g.,echo "Hello", "World";.print: Outputs a single string, e.g.,print "Hello World";.
Performance:
echois slightly faster since it does not return a value.printreturns1, making it a bit slower.
Return Value:
echohas no return value.printreturns1, which can be useful in conditional statements.
Number of Arguments:
echocan take multiple arguments separated by commas, e.g.,echo "Hello", " ", "World";.printtakes a single argument.
Concatenation:
echoallows for comma-separated strings, e.g.,echo "Hello", " ", "World";.printrequires concatenation using the dot operator (.), e.g.,print "Hello" . " " . "World";.
Example with HTML:
echo "<h1>Hello, World!</h1>";directly outputs HTML content.print "<h1>Hello, World!</h1>";also directly outputs HTML content.
Example with Return Value:
echocannot be used in expressions.printcan be used in expressions, e.g.,if (print "Hello, World!") { /* do something */ }.
Example Code Snippets
Echo Example:
print expression;
<?php
echo "Hello, ", "World!"; // Outputs: Hello, World!
echo "<br>"; // Outputs a line break in HTML
echo "This is ", "PHP ", "echo"; // Outputs: This is PHP echo
?>
Print Example:
<?php
print "Hello, World!"; // Outputs: Hello, World!
print "<br>"; // Outputs a line break in HTML
if (print "This is PHP print") { // Outputs: This is PHP print and returns 1
print "<br>"; // Outputs a line break in HTML
}
?>
These details should give you a comprehensive understanding of the differences and use cases for echo and print in PHP.