Which of the following is the correct syntax to join array elements with a hyphen using implode?

easy📝 Syntax Q3 of 15

PHP - String Functions

Which of the following is the correct syntax to join array elements with a hyphen using implode?

Aimplode('-' $array);

Bimplode($array, -);

Cimplode($array - '-');

Dimplode('-', $array);

Step-by-Step Solution

Solution:

Step 1: Recall correct implode syntax
The correct syntax is implode(separator, array) or implode(array, separator) but the first form is preferred.
Step 2: Check each option
implode('-', $array); uses correct syntax with separator first and array second. Others have syntax errors or wrong argument order.
Final Answer:
implode('-', $array); -> Option D
Quick Check:
Correct implode syntax = implode(separator, array) [OK]

Quick Trick: Use implode(separator, array) syntax [OK]

Common Mistakes:

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