WebSep 14, 2024 · How to check for duplicates in PHP database? First, you need a simple PHP function to check whether this record exist in the DB or not, like the one below: function is_exist($table, $data) { $sql = “SELECT * FROM `” . $table . “` WHERE “; foreach ($data as $key => $val) : $sql .= “`$key`='” . $val . WebSep 22, 2024 · Step 1: First we will use serialize() funtion to serialize the array. Then use the map with PHP inbuilt function. Step 2:use unserialize()function to make the serialized string into a PHP value. Function to remove duplicated values $reqArray=array(array( "name" => "john" ), array( "age" => "12" ), array(

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Determing if an array has duplicate values in PHP

WebApr 10, 2024 · I am writing a function that takes in an array of integers and returns the number of unique pairs of integers that add up to a specific sum. For example, given the array [2, 4, 6, 2, 8, 4, 7, 2, 5, 9] and a sum of 10, the function should return 2 … WebApr 3, 2024 · Solution $withoutDuplicates = array_unique(array_map("strtoupper", $language)); $duplicates = array_diff($language, $withoutDuplicates); Example : This … WebLoop array and check if previous field is same as current PHP Ibrahim Hafiji 2024-09-22 10:50:42 69 1 php / arrays / csv / for-loop twin flame song