PHP Operators

Arithmetic, comparison, logical and more.

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Arithmetic: + - * / % **
Assignment: = += -= *= /= .=
Comparison: == equal value, === identical (value and type), !=, !==, <=> spaceship
Logical: &&, ||, !
String: . join, .= append
Null coalescing: $a ?? "default"
Ternary: $cond ? "yes" : "no"

Key Takeaways: PHP Operators

Mastering PHP Operators helps you write clean and reliable PHP code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.

PHP Operators Code Example

PHP

<?php
$x = 10;
$x += 5;
echo $x . "<br>";

var_dump("5" == 5);
var_dump("5" === 5);
echo (3 <=> 7) . "<br>";

$user = null;
echo $user ?? "Guest";
echo "<br>" . ($x > 10 ? "big" : "small");

Output