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PHP array operation class

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PHP array operation class Share an php array operation class, Delete blank elements from the array (including elements with only blank characters), From an Returns all values ??of the specified key in the two-dimensional array, Converts a two-dimensional array to a HashMap, and returns the result .

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Does PHP Offer a BigInteger Class for Large Integer Handling?

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how to find the difference between two php array variables

05 Jul 2025

In PHP, you can use the following methods: 1. Use array_diff to compare the differences in the values ??and return values ??that exist in the first array but do not exist in other arrays; 2. Use array_diff_assoc to compare keys and values ??at the same time, which is suitable for associative arrays; 3. By calling array_diff separately and merging the results, two-way comparison is achieved, and all different parts of the two arrays are obtained; 4. For multi-dimensional arrays or objects, additional processing is required, such as using recursive functions, third-party libraries or JSON encoding to perform string comparison. These methods can be selected and used according to actual needs.