The 3 different equals

by

You have = the assignment operator, == the ‘equal’ comparison operator and === the ‘identical’ comparison operator.

$a = $b     Assign      Sets $a to be equal to $b.
$a == $b    Equal       TRUE if $a is equal to $b.
$a === $b   Identical   TRUE if $a is equal to $b, and they are of the same type. (introduced in PHP 4)

For more info on the need for == and ===, and situations to use each, look at the docs.

More Related Contents:

  1. Is there a difference between !== and != in PHP?
  2. Reference — What does this symbol mean in PHP?
  3. What is the use of the @ symbol in PHP?
  4. Stacking Multiple Ternary Operators in PHP
  5. ‘AND’ vs ‘&&’ as operator
  6. Comparing String to Integer gives strange results
  7. How to mathematically evaluate a string like “2-1” to produce “1”?
  8. Is there a “nullsafe operator” in PHP?
  9. Reference assignment operator in PHP, =&
  10. What is the “->” PHP operator called? [closed]
  11. Logical Operators, || or OR?
  12. What is (the ‘Spaceship’ Operator) in PHP 7? [duplicate]
  13. What is the meaning of three dots (…) in PHP?
  14. Difference between “not equal” operators and != in PHP
  15. What’s the difference between ++$i and $i++ in PHP?
  16. In PHP, what does “
  17. What do the “=&” and “&=” operators in PHP mean?
  18. Not equal to != and !== in PHP
  19. Can you append strings to variables in PHP? [duplicate]
  20. Double not (!!) operator in PHP
  21. What does “===” mean? [duplicate]
  22. In PHP, is there a short way to compare a variable to multiple values?
  23. PHP check value against multiple values with OR-operator
  24. Type-juggling and (strict) greater/lesser-than comparisons in PHP
  25. Reference Guide: What does this symbol mean in PHP? (PHP Syntax)
  26. How does PHP compare strings with comparison operators?
  27. Dynamic Comparison Operators in PHP
  28. What is the difference between the | and || operators?
  29. ‘At’ symbol before variable name in PHP: @$_POST
  30. Interview question: In php, is 123==0123?

Leave a Comment