Is it possible to remove the first element of an array in php?

php can take out the first element of the array. The methods are: 1. Use the "array_shift()" function to delete the first element in the array and return the deleted first element; 2. Use the "array_slice()" function to intercept the array, that is, extract a fragment from the array; 3. Use the "current()" function to return the value of the current element of the array, which initially points to the first element.

The operating environment of this tutorial: windows10 system, PHP8.1.3 version, Dell G3 computer

php can get the first one in the array element.

php There are many ways to get the first element of the array:

Method 1: Use the array_shift() function

array_shift() function is used to delete the array the first element of , and returns the first element that was deleted.

<?php
header("Content-type:text/html;charset=utf-8");
$arr=array(10,12,20,25,24);
echo "原数组：";
var_dump($arr);
$res=array_shift($arr);
 
echo "数组第一个元素为：".$res ;
?>

Method 2: Use the array_slice() function

array_slice() function to intercept the array, that is, extract it from the array A fragment.

This function can intercept the specified number of array elements starting from the specified position.

Return value: Return the intercepted subarray.

<?php
header("Content-type:text/html;charset=utf-8");
$arr=array(10,12,20,25,24);
echo "原数组：";
var_dump($arr);
$res=array_slice($arr,0,1);
 
echo "数组第一个元素为：" ;
var_dump($res);
?>

Method 3: Use the current() function

current() can return the value of the current element of the array, initially pointing to the first element.

<?php
header("Content-type:text/html;charset=utf-8");
$arr=array(10,12,20,25,24);
echo "原数组：";
var_dump($arr);
echo "数组第一个元素为：".current($arr) ;
?>

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