![]() But both arrays must have equal number of elements. The array_combine() function creates an array by using the elements from one “keys” array and one “values” array. ![]() We can do that using array_combine() function of PHP array. My query works inside the foreach loop and correctly prints the Phone and City value - but I would like to be able to print these values outside of this loop. The output for me on PHP 7.1 is: foreach to get first key and value: 0.048566102981567 seconds reset+key to get first key and value: 0.11727809906006 seconds reset+key to get first key: 0.11707186698914 seconds arraykeys to get first key: 0.53917098045349 seconds arrayslice to get first key: 0. By the way if you need to check if a value exists in an array, arraykeyexists is much faster than inarray.I always store unique values as keys rather than values if possible. No function calls are required and uniqueness is guaranteed. Better to save the values as keys instead. Replace array key with their associated value in PHP array inarray will get slower and slower as the array grows. ![]() During each iteration, we can access respective key and value of the associative array. For example if you have all country array but that array have key like 0,1,2,3,4 and value is country both, like in below example.īut you want to make array like country as key and value both and we want to have a function that will take this array as input and return an array that would look like: To iterate over key-value pairs of array in PHP, we can use foreach statement. ![]() Sometimes, In big project we need to replace array key with their associated value at that time you can learn from this article. hi please see commented line, that foreach loop only display 2 columns from 9 columns, they are key and value. ![]()
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