How php loops to delete array elements

Php how to loop delete array elements, I believe that many inexperienced people do not know what to do, so this article summarizes the causes of the problem and solutions, through this article I hope you can solve this problem.

Delete array elements loop method: 1, use the foreach statement to loop through the array, syntax "foreach ($array as $key= > $value) {}"; 2, in the loop body using unset () function to delete array elements, syntax "unset ($array [$key])".

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

Php Loop deletes array elements

In PHP, you can use the foreach statement and the unset () function to loop through array elements.

Output result:

Description:

Foreach ($array as $key = > $value) {statement block;}

Iterate through the given $array array, assigning the value of the current array to $value and the key name to $key in each loop.

The unset () function is used to destroy a given variable.

If you do not want to delete all elements, but only the specified elements, you can add an if statement to determine

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