In PHP, you can use the array_splice() function to delete the first five elements of the array. You only need to set the second parameter of the function to 0 and the third parameter to 5. The syntax is " array_splice($arr,0,5);".
The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer
I want to delete the first five in the php array Elements, you can use the array_splice() function.
The array_splice() function is a powerful function with multiple functions: it can insert array elements, replace array elements, and of course, it can also delete array elements (after all, the job of the array_splice() function is to delete specified elements and use replaced by other values).
array_splice() syntax is as follows:
array array_splice ( array &$arr, int $start [, int $length = 0 [, mixed $replacement ]] )
Parameter description:
If you want to use the array_splice() function to delete the first five elements of the array, you only need to set the second parameter of the function to 0 and the third parameter to 5.
Implementation code:
<?php header("Content-type:text/html;charset=utf-8"); $arr=array(10,12,20,25,24,22,34,56,78,90); echo "原数组:"; var_dump($arr); echo "删除后的数组:" ; array_splice($arr,0,5); var_dump($arr); ?>
Output result:
It can be seen that the first 5 elements in the array are deleted Got it!
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