What Is an Array in PHP

Q

What Is an Array in PHP?

✍: FYIcenter.com

A

An array in PHP is really an ordered map of pairs of keys and values.

Comparing with Perl, an array in PHP is not like a normal array in Perl. An array in PHP is like an associate array in Perl. But an array in PHP can work like a normal array in Perl.

Comparing with Java, an array in PHP is not like an array in Java. An array in PHP is like a TreeMap class in Java. But an array in PHP can work like an array in Java.

⇒ Creating an Array in PHP

⇐ Understanding PHP Arrays and Their Basic Operations

⇑ Understanding PHP Arrays and Their Basic Operations

⇑⇑ PHP Tutorials

2016-10-15, ∼2673🔥, 0💬

Data Types of Array Keys in PHP
What Types of Data Can Be Used as Array Keys in PHP? Two types of data can be used as array keys: string and integer. When a string is used as a key and the string represent an integer, PHP will convert the string into a integer and use it as the key. Here is a PHP script on different types of keys:... 2017-02-03, ∼3471🔥, 0💬

Joining Multiple Strings in PHP
How To Join Multiple Strings into a Single String? If you multiple strings stored in an array, you can join them together into a single string with a given delimiter by using the implode() function. Here is a PHP script on how to use implode(): <?php $date = array('01', '01', '2006'); $keys =... 2016-10-13, ∼3172🔥, 0💬

Replacing Characters in a String in PHP
How To Replace a Group of Characters by Another Group? While processing a string, you may want to replace a group of special characters with some other characters. For example, if you don't want to show user's email addresses in the original format to stop email spammer collecting real email address... 2016-10-13, ∼2970🔥, 0💬

Understanding PHP Arrays and Their Basic Operations
Where to find tutorials in Understanding PHP Arrays and Their Basic Operations? A collection of tutorials to answer many frequently asked questions on basic understanding of PHP arrays. Clear answers are provided with tutorial exercises on declaring and creating arrays, assigning and retrieving arra... 2016-10-15, ∼2899🔥, 0💬

Testing If a Variable Is an Array in PHP
How To Test If a Variable Is an Array in PHP? Testing if a variable is an array is easy. Just use the is_array() function. Here is a PHP script on how to use is_array(): <?php $var = array(0,0,7); print("Test 1: ". is_array($var)."\n"); $var = array(); print("Test 2: ". is_array($var)."\n"); ... 2016-10-15, ∼2891🔥, 0💬

Creating an Array in PHP
How To Create an Array in PHP? You can create an array using the array() constructor. When calling array(), you can also initialize the array with pairs of keys and values. Here is a PHP script on how to use array(): <?php print("Empty array:\n"); $emptyArray = array(); print_r($emptyArray); ... 2016-10-15, ∼2789🔥, 0💬

What Is an Array in PHP
What Is an Array in PHP? An array in PHP is really an ordered map of pairs of keys and values. Comparing with Perl, an array in PHP is not like a normal array in Perl. An array in PHP is like an associate array in Perl. But an array in PHP can work like a normal array in Perl. Comparing with Java, a... 2016-10-15, ∼2674🔥, 0💬

Splitting a String in PHP
How To Split a String into Pieces? There are two functions you can use to split a string into pieces: explode(substring, string) - Splitting a string based on a substring. Faster than split(). split(pattern, string) - Splitting a string based on a regular expression pattern. Better than explode() in... 2016-10-13, ∼2580🔥, 0💬

Applying UUEncode to a String in PHP
How To Apply UUEncode to a String? UUEncode (Unix-to-Unix Encoding) is a simple algorithm to convert a string of any characters into a string of printable characters. UUEncode is reversible. The reverse algorithm is called UUDecode. PHP offers two functions for you to UUEncode or UUDecode a string: ... 2016-10-13, ∼2537🔥, 0💬

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