How does php determine that array elements are not spaces

This article mainly introduces php how to judge the array elements are not spaces, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor with you to understand.

Determine the array element is not a space method: 1, use the "foreach ($arr as $value) {}" statement to traverse the array; 2, use the "if ($valuevalues =") "statement to determine whether the array element is a space; 3, if the array element is not empty, then the output" array element is not a space ".

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

Php determines that array elements cannot be spaces.

Train of thought:

Use the foreach statement to iterate through the array, assigning the key value of the current array to $value in each loop

In the body of the loop, if statement is used to determine whether the array element is a space.

If it is not a space, then $iSpac +

If it is a space, set $iTune0 and use break; to exit the entire loop.

If statement is used to determine whether the value of $I is 0, you can know whether there are space elements in the array.

Implementation code:

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