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Practice Zone • PHP
9 Topics 20 Questions All Difficulty
Topics
All Questions Full list for PHP 180 PHP Arrays Practice PHP Arrays with real questions. 20 PHP Control Flow Practice PHP Control Flow with real questions. 20 PHP Data Types Practice PHP Data Types with real questions. 20 PHP Error Handling Practice PHP Error Handling with real questions. 20 PHP Functions Practice PHP Functions with real questions. 20 PHP OOP Basics Practice PHP OOP Basics with real questions. 20 PHP Operators Practice PHP Operators with real questions. 20 PHP Strings Practice PHP Strings with real questions. 20 PHP Variables Practice PHP Variables with real questions. 20
Questions
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Sum of Array
Easy
Jan 25, 2026
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Maximum Element
Easy
Jan 25, 2026
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Reverse the Array
Easy
Jan 25, 2026
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Count Occurrences
Easy
Jan 25, 2026
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Concatenate Two Arrays
Easy
Jan 25, 2026
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Remove Duplicates (Keep Order)
Medium
Jan 25, 2026
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Rotate Array Right
Medium
Jan 25, 2026
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Range Sum Queries
Medium
Jan 25, 2026
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Two Sum Indices
Medium
Jan 25, 2026
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Sort by Frequency
Medium
Jan 25, 2026
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Intersection (Unique Sorted)
Medium
Jan 25, 2026
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Missing Number 1..N
Medium
Jan 25, 2026
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Longest Subarray Sum = K
Hard
Jan 25, 2026
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Maximum Subarray Sum
Hard
Jan 25, 2026
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Count Inversions
Hard
Jan 25, 2026
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Sliding Window Maximum
Hard
Jan 25, 2026
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Minimum Swaps to Sort
Hard
Jan 25, 2026
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Kth Smallest (Quickselect)
Hard
Jan 25, 2026
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Split into 3 Equal Sum Parts
Hard
Jan 25, 2026
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Largest Rectangle in Histogram
Hard
Jan 25, 2026
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