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array_fill_keys — Fill an array with specified keys and values

array array_fill_keys ( array $keys, mixed $value );

It useskeysThe values of the array are used as keys withvalueFill the array with parameter values.

Number	Parameters and descriptions
1	keys It is the array of values used as keys
2	value It can be a string or a value array

It returns a filled array

Example

<?php
　　　$ = array('f1','　5,　10, 'b1);
　　　$a = array_fill_keys($input, 'banana');
　　　
　　　print_r($a)
?>

Output result:

Array (
　　　[f1] => banana
　　　[5] => banana
　　　[10] => banana
　　　[b1] => banana
)