How do you fill a PHP array dynamically (PHP, array, development)?

Vinh JackerVinh Jacker
2 min read

To dynamically fill a PHP array, you can use various methods to add elements to the array during runtime. Here are some common approaches:

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Using array_push() function:

The array_push() function allows you to add one or more elements to the end of an array.

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$myArray = array(); // Initialize an empty array

// Dynamically add elements to the array array_push($myArray, "Element 1"); array_push($myArray, "Element 2"); array_push($myArray, "Element 3");

// Resulting array: ["Element 1", "Element 2", "Element 3"]

Using square brackets:

You can also use square brackets to add elements directly to the array.

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$myArray = array(); // Initialize an empty array

// Dynamically add elements to the array $myArray[] = "Element 1"; $myArray[] = "Element 2"; $myArray[] = "Element 3";

// Resulting array: ["Element 1", "Element 2", "Element 3"]

Associative array:

For associative arrays, you can set values dynamically by specifying the key.

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$myArray = array(); // Initialize an empty associative array

// Dynamically add elements to the array $myArray["name"] = "John"; $myArray["age"] = 30; $myArray["email"] = "john@example.com";

// Resulting array: ["name" => "John", "age" => 30, "email" => "john@example.com"]

Using loop:

You can use a loop to dynamically populate the array with elements.

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$myArray = array(); // Initialize an empty array

// Use a loop to add elements to the array for ($i = 1; $i <= 5; $i++) { $myArray[] = "Element " . $i; }

// Resulting array: ["Element 1", "Element 2", "Element 3", "Element 4", "Element 5"]

These methods allow you to dynamically add elements to a PHP array during development, making your code flexible and adaptable to various data requirements.

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Written by

Vinh Jacker
Vinh Jacker

Hello, I'm the Chief Technology Officer of Mageplaza, and I am thrilled to share my story with you. My deep love and passion for technology have fueled my journey as a professional coder and an ultra-marathon runner. Over the past decade, I have accumulated extensive experience and honed my expertise in PHP development. 100 Church St, Manhattan, New York, United States