Summary of example usage of array_udiff function in php

伊谢尔伦
Release: 2023-03-09 06:44:01
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PHP函数 array_udiff 函数使用中遇到的问题解决code = intval($code); } public function getCode() { return $this->code; } /**  * 该函数必须根据实际情况返回 0, 1, -1 这三种值,才能正确计算出差集  */ public&

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Summary of example usage of array_udiff function in php

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";
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";print_r(array_udiff($a,$b,fu

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Introduction: Many functions in PHP support callback functions. For example: array_udiff, array_usort. The callback function needs to pass in a callback type as its parameter. The official document clearly points out that 6 supported callback function parameters are passed in. Way. 1. Ordinary global methods 2. Object methods, pass in arrays as parameters 3. Static method calls, pass in arrays as parameters 4

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