A detailed introduction to the array_diff_ukey function

The array_diff_ukey () function is used to compare the key names & amp; nbsp; of two (or more) arrays and return the difference set. Note: This function uses the user-defined function comparison key name! This function compares the key names of two (or more) arrays and returns a number Group of Difference Sets. this array includes all the keys in the compared array (array1, but not in any other parameter array (array2 & amp; nbsp; or & amp; nbsp; array3 & amp; nbsp; and so on. Syntax: array_diff_ukey (a... definition and usage: the array_diff_ukey () function is used to compare the key names of two (or more) arrays and return the difference set. Note: This function uses the user-defined function comparison key name! This function compares the key names of two (or more) arrays and returns a number Group of Difference Sets. this array includes all the keys in the compared array (array1, but not in any other parameter array (array2 or array3. Syntax: array_diff_ukey (array1, array2, array3. .., myfunction); parameter description: array1 is required. The first array to be compared with other arrays. Array2 must be available. The array to be compared with the first array. Array3,... optional. Other arrays compared with the first array & nb

1. PHP array_diff_ukey () function definition and usage

Introduction: The array_diff_ukey () function is used to compare the key names of two (or more) arrays and return the difference set. Note: This function uses the user-defined function comparison key name! This function compares the key names of two (or more) arrays and returns a number Group of Difference Sets. this array includes all the keys in the compared array (array1, but not in any other parameter array (array2 or array3. Syntax

2. php-Arrays function-array_diff_ukey-use the callback function to compare the difference set of the calculated array with the key name _ PHP Tutorial

Introduction: The php-Arrays function-array_diff_ukey-uses the callback function to compare the key names to calculate the difference set of the array. The array_diff_ukey () function uses the callback function to compare the key names to calculate the difference set of the array. [function] This function returns an array that contains all but not all other

3. how to learn PHP array_diff_ukey () _ PHP Tutorial

Introduction: How to learn PHP array_diff_ukey (). How to learn PHP array_diff_ukey () definition and usage array_diff_ukey () returns an array that includes all keys that appear in the array of array1 but are not present in any other parameter array

4. php-Arrays function-array_diff_ukey-use the callback function to compare the difference set of the calculated array with the key name

Introduction: The php-Arrays function-array_diff_ukey-uses the callback function to compare the key names to calculate the difference set of the array. The array_diff_ukey () function uses the callback function to compare the key names to calculate the difference set of the array. [function] This function returns an array that contains all but not all other

5. how to learn PHP array_diff_ukey ()

Introduction: How to learn PHP array_diff_ukey (). How to learn PHP array_diff_ukey () definition and usage array_diff_ukey () returns an array that includes all keys that appear in the array of array1 but are not present in any other parameter array

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