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php Steps to rotate an array and find the minimum number: 1. Use the array_reverse() function to rotate the array. The syntax "array_reverse (original array)" will return an array in reverse order; 2. Use min() The function gets and returns the minimum value of the rotated array, the syntax is "min(rotated array)".
The operating environment of this tutorial: windows7 system, PHP version 8.1, DELL G3 computer
In PHP, you can use the array_reverse() function and min() function to rotate the array and find the minimum number.
Implementation steps:
Step 1: Use array_reverse() function to rotate the array
array_reverse() function can flip the array The order of the elements in, returns the array in reverse order.
<?php header('content-type:text/html;charset=utf-8'); $arr=array(1,2,3,0,4,5,6); echo "原数组:"; var_dump($arr); $reverse=array_reverse($arr); echo "旋转数组后:"; var_dump($reverse); ?>
Step 2: Use the min() function to return the minimum value of the rotated array
<?php header('content-type:text/html;charset=utf-8'); $arr=array(1,2,3,0,4,5,6); echo "原数组:"; var_dump($arr); $reverse=array_reverse($arr); echo "旋转数组后:"; var_dump($reverse); $min=min($reverse); echo "旋转数组的最小值 :".$min; ?>
Description:
array_reverse() function returns an array in reverse order.
array_reverse(array,preserve)
Parameters | Description |
---|---|
array | Required . Specifies an array. |
preserve | Optional. Specifies whether to retain the original array key names. If set to TRUE, numeric keys will be preserved. Non-numeric keys are not affected by this setting and will always be retained. Possible values:
|
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