PHP - String Functions
What is the output of this PHP code?
$data = 'red|green|blue';
$colors = explode('|', $data);
echo count($colors);What is the output of this PHP code?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Use explode() to split string
The string 'red|green|blue' is split by '|' into ['red', 'green', 'blue'].Step 2: Count the resulting array elements
There are 3 elements, so count($colors) returns 3.Final Answer:
3 -> Option CQuick Check:
explode splits string; count returns array size [OK]
Quick Trick: explode() splits; count() returns number of parts [OK]
Common Mistakes:
- Expecting count to return string length
- Using wrong delimiter
- Forgetting explode returns array
Master "String Functions" in PHP
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