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What is the use of array function in php

王林
王林Original
2020-09-19 16:35:233560browse

The role of the array function in php: The array() function is used to create an array. For example, if we want to create an index array, the syntax is [array(value1,value2,value3]. If we want to create an empty array, the code is [$new = array()].

What is the use of array function in php

The array() function in php is used to create an array.

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array() creates an array, With keys and values. If the key is omitted when specifying the array, an integer key is generated. This key starts from 0 and increases by 1.

To create an associative array using array(), you can Use => to separate keys and values.

To create an empty array, pass no arguments to array():

$new = array();

Syntax:

Index Syntax for arrays:

array(value1,value2,value3,etc.);

Syntax for associative arrays:

array(key=>value,key=>value,key=>value,etc.);

Parameters:

  • key Specifies the key name (numeric value or string) .

  • value Specifies the key value.

Example:

Create an associative array named $age:

<?php
$age=array("Bill"=>"60","Steve"=>"56","Mark"=>"31");
echo "Bill is " . $age[&#39;Bill&#39;] . " years old.";
?>

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