PHP array_fill_keys() Function6 Jan 2025 | 2 min read The array_fill_keys( ) function is a built-in function in PHP. It is used to create a new array filled with the given keys and value provided as an array to the function. It was introduced in PHP version 5.2. SyntaxParameter
Return TypeIt returns the filled array. EXAMPLE 1Output: Array ( [a] => javatpoint [b] => javatpoint [c] => javatpoint [d] => javatpoint ) EXAMPLE 2Output: Array ( [1] => 1000 [2] => 1000 [3] => 1000 [4] => 1000 [5] => 1000 [apple] => 1000 ) EXAMPLE 3Output: Array ( [Delhi] => lndia [Haryana] => lndia [Bihar] => lndia [Gujarat] => lndia ) EXAMPLE 4Output: Array ( [Delhi] => Array ( [0] => india [1] => javatpoint ) [Haryana] => Array ( [0] => india [1] => javatpoint ) [Bihar] => Array ( [0] => india [1] => javatpoint ) [Gujarat] => Array ( [0] => india [1] => javatpoint ) ) Next TopicPhp-array-filter-function |
PHP key() Function The key( ) function returns the element key from the current internal pointer position. This function was introduced in 4.0. Syntax mixed key ( array $array ); Parameter Parameter Description Is compulsory array Specifies the array to use. compulsory Returns The key( ) returns the key of the array element that is currently being...
1 min read
PHP () Function The PHP ( ) function is used to fetch the array value in the ious place, pointed by the internal array pointer. This function was introduced in PHP 4.0. Syntax mixed ( array &$array ); Parameter Parameter Description Is compulsory array Specifies the array to use. compulsory Returns The ( ) function returns...
1 min read
The array_intersect_uassoc( ) function is an inbuilt function in PHP. The array_intersect_uassoc( ) function is used to compare key and values of two or more arrays by using a user-defined comparison function and return the matches. It returns an array containing all the values of...
2 min read
The array_intersect_ukey( ) function Computes the intersection of arrays using a callback function on the keys for comparison. The function returns an array containing all the values of the first array which have matching keys that are present in all the arguments. This function was...
1 min read
PHP natcasesort() Function The natcasesort( ) function is used to sort an array using a case insensitive "natural array" algorithm. The function implements a sort algorithm but maintains original keys and values. This function was introduced in PHP 4.0. Syntax bool natcasesort ( array &$array ); Parameter Parameter Description Is compulsory array The input...
2 min read
The array_replace() function is a built-in function in PHP. The PHP array_replace( ) function is used to replace the values of the first array with the values from following arrays. This function was introduced in PHP 5.3.0. Syntax array array_replace ( array $array1 [, array $... ]...
1 min read
The array_values( ) function is an inbuilt function of PHP. It is used to get an array of values from another array that may contain key-value pairs. This function was introduced in PHP 4.0. Syntax array array_values ( array $array ); Parameters Parameter Description Is compulsory array Specifying an array. compulsory Return Values The array_values( )...
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The in_array( ) function is an inbuilt function of PHP. It is used to search an array for a specific value. If the third parameter strict is set to true, the in_array( ) function will also check the types of the $values. Syntax bool in_array ( mixed...
1 min read
PHP usort( ) Function The PHP usort( ) function is used to sort an array by its value using a user-supplied comparison function. If the array you wish to sort needs to be sorted by some non-trivial criteria, you should use this function. This function was...
2 min read
The array_udiff( ) function is an inbuilt function of PHP. The array_udiff( ) function is used to compute the difference of given arrays by using a callback function for data comparison. This function was introduced in PHP 5.1.0. Syntax array array_udiff ( array $array1 , array $array2...
1 min read
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