How to determine if array elements are not spaces in php

Methods to determine if array elements are not spaces: 1. Use the "foreach ($arr as $value){}" statement to traverse the array; 2. Use the "if($value!=" ")" statement to determine Whether the array elements are spaces; 3. If all array elements are not empty, output "array elements are not spaces".

The operating environment of this tutorial: Windows 7 system, PHP version 7.1, DELL G3 computer

php determines that the array element cannot be a space

Idea:

• Use the foreach statement to traverse the array, and assign the key value of the current array to $value## in each loop

• #In the loop body, use the if statement to determine whether the array element is a space
  • If it is not a space, then

    $i

  • If it is a space, set

    $i=0, and usebreak;to exit the entire loop.
    

• Use the if statement to determine whether the

  $i valueis 0, then you can know whether there is a space element in the array

## Recommended learning: "

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