You have an array of numbers: [1, 2, 3, 4]. How do you create a string "1-2-3-4" using implode?

hard📝 Application Q8 of 15

PHP - String Functions

You have an array of numbers: [1, 2, 3, 4]. How do you create a string "1-2-3-4" using implode?

Ajoin([1, 2, 3, 4], -);

Bimplode('-', [1, 2, 3, 4]);

Cimplode([1, 2, 3, 4], -);

Dimplode('-', '1,2,3,4');

Step-by-Step Solution

Solution:

Step 1: Use implode with correct argument order
Separator '-' first, then the array of numbers.
Step 2: Confirm array type and output
Array of numbers is valid; implode converts numbers to strings and joins them.
Final Answer:
implode('-', [1, 2, 3, 4]); -> Option B
Quick Check:
implode('-', array) joins numbers with '-' [OK]

Quick Trick: implode converts numbers to strings automatically [OK]

Common Mistakes:

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