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How to add value to array in php
- 王林Original
- 2021-07-13 15:21:493034browse
The way PHP adds values to an array is to use the array_push function to add, such as [array_push($a,"blue","yellow");]. The array_push function allows us to add elements to the end of the array.
The operating environment of this article: windows10 system, php 7.3, thinkpad t480 computer.
To add a value to an array in php, just use the array_push function. This function is a function that comes with PHP itself, we can use it directly. Let's take a look at the specific use of this function.
array_push() function adds one or more elements (push) to the end of the array of the first parameter, and then returns the length of the new array.
Syntax:
array_push(array,value1,value2...)
Parameter introduction:
array Required. Specifies an array.
#value1 Required. Specifies the value to add.
#value2 Optional. Specifies the value to add.
Example:
We want to insert "blue" and "yellow" to the end of the array:
<!DOCTYPE html>
<html>
<body>
<?php
$a=array("red","green");
array_push($a,"blue","yellow");
print_r($a);
?>
</body>
</html>Result:
Array ( [0] => red [1] => green [2] => blue [3] => yellow )
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