Echo vs print behavior in PHP - Quick Revision & Key Differences

Recall & Review

beginner

What is the main difference between echo and print in PHP?

echo can output one or more strings and does not return a value, while print can only output one string and returns 1, so it can be used in expressions.

beginner

Can echo output multiple strings separated by commas?

Yes, echo can output multiple strings separated by commas like echo 'Hello', ' ', 'World';. print cannot do this.

intermediate

Does print return a value? What is it used for?

print returns 1, which means it can be used in expressions or conditional statements, unlike echo which returns nothing.

intermediate

Which one is slightly faster: echo or print?

echo is slightly faster because it does not return a value and can output multiple strings at once.

beginner

Can echo be used with parentheses like a function?

Yes, echo can be used with parentheses like echo('Hello');, but it is not a real function, just a language construct.

Which of these statements about echo and print in PHP is TRUE?

A <code>echo</code> can output multiple strings separated by commas.

B <code>print</code> can output multiple strings separated by commas.

C <code>echo</code> returns 1 after outputting.

D <code>print</code> cannot be used in expressions.

echo can output multiple strings separated by commas, but print cannot. print returns 1 and can be used in expressions.

What does print return after outputting a string?

A The string itself

B The length of the string

C Nothing (void)

D 1

print returns 1, which allows it to be used in expressions.

Which is faster in PHP?

A <code>echo</code>

B <code>print</code>

C Both are equally fast

D Depends on the string length

echo is slightly faster because it does not return a value and can output multiple strings.

Can echo be used with parentheses like a function?

A No, it is a keyword and cannot use parentheses.

B Yes, but it is not a real function.

C Only in PHP 8 and above.

D Only when outputting variables.

echo can be used with parentheses but it is a language construct, not a real function.

Which statement is true about print?

A It can output multiple strings separated by commas.

B It returns no value.

C It can be used in conditional expressions.

D It is faster than <code>echo</code>.

print returns 1, so it can be used in conditional expressions.

Explain the differences between echo and print in PHP.

Think about output capability, return values, and speed.

When would you choose print over echo in PHP?

Consider the return value and expression usage.