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Q:

What are the comparison operators available in PHP?

Hey everyone,

I hope you're all doing well. I'm relatively new to PHP and I'm currently working on a project that involves comparing values in my code. I was wondering if anyone could help me out by listing the comparison operators available in PHP?

I've tried looking for this information online, but I'm getting mixed results, and I thought it would be best to reach out to the experienced PHP developers here for accurate information.

Thanks in advance for your help!

All Replies

kiara21

Hey there!

Glad to see your question about PHP comparison operators. I've worked with PHP extensively, and here are a few additional comparison operators that I frequently use:

1. Spaceship operator (<=>): This operator is useful for comparing two values and returns -1 if the left value is less than the right, 0 if they are equal, and 1 if the left value is greater. It's a concise way to handle three-way comparisons.

2. Not equal to (<>): Similar to the "!=" operator, this checks if two values are not equal. For example, `5 <> 10` would return true if they are not equal.

3. Like operator (LIKE): Often used in database queries, the LIKE operator performs pattern matching with wildcard characters (% and _). It's handy when you want to match a particular pattern within a string.

4. Instanceof operator (instanceof): Used to check if an object is an instance of a specific class. It returns true if the object is an instance of the class or any class that extends it.

These additional operators can come in handy when you need to perform specific comparisons in your PHP code. Happy coding!

stoltenberg.german

Hey there!

I'm glad you asked this question because comparison operators are essential in PHP programming. Here are the comparison operators that I have used in my experience:

1. Equal to (==): This is used to check if two values are equal, regardless of their data type. For example, `5 == 5` would return true.

2. Identical to (===): This operator checks if two values are equal and have the same data type. It's stricter than the equal to operator. For instance, `5 === '5'` would return false.

3. Not equal to (!=): This operator checks if two values are not equal to each other. For example, `5 != 10` would return true.

4. Not identical to (!==): This operator checks if two values are not equal to each other or if they have different data types. For instance, `5 !== '5'` would return true.

5. Greater than (>): This operator checks if the value on the left side is greater than the value on the right side. For example, `10 > 5` would return true.

6. Less than (<): This operator checks if the value on the left side is less than the value on the right side. For instance, `5 < 10` would return true.

7. Greater than or equal to (>=): This operator checks if the value on the left side is greater than or equal to the value on the right side. For example, `5 >= 5` would return true.

8. Less than or equal to (<=): This operator checks if the value on the left side is less than or equal to the value on the right side. For instance, `5 <= 10` would return true.

These are the basic comparison operators that I've used frequently in my PHP projects. I hope this helps you in your programming journey!

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