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- php.net
  
  PHP: Arrays - Manual - PHP: Hypertext Preprocessor
  
  Arrays An array in PHP is actually an ordered map. A map is a type that associates values to keys. This type is optimized for several different uses; it can be treated as an array, list (vector), hash table (an ...
  
  2025-11-19
  
  瀏覽：901
- php.net
  
  PHP: array - Manual - PHP: Hypertext Preprocessor
  
  When using an array to create a list of keys and values for a select box generator which will consist of states I found using "NULL" as an index and ""(empty value) as a value to be useful:
  
  2025-11-16
  
  瀏覽：625

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The two ways of iterating through arrays: list(), each(), and ...

日期：2025-11-17

However ... The second way to use foreach does allow you to extract keys, and looks like this:....

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PHP 5 for loops - W3Schools

日期：2025-11-13

The PHP foreach Loop. The foreach loop works only on arrays, and is used to loop through each ......

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PHP: foreach - Manual

日期：2025-11-15

La structure de langage foreach fournit une façon simple de parcourir des tableaux. foreach ne fonctionne que pour les tableaux et les objets, et émettra une ......

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PHP: foreach - Manual

日期：2025-11-17

El constructor foreach proporciona un modo sencillo de iterar sobre arrays. foreach funciona sólo sobre arrays y objetos, y emitirá un error al intentar usarlo con ......

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PHP Foreach() Loop Tutorial - Intro to Loops in PHP

日期：2025-11-16

Learn PHP from a simple web based tutorial. Learn to use the three types of loops - WHILE, FOR, and FOREACH loops in PHP programing. Page 3....

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PHP array() Function - W3Schools Online Web Tutorials

日期：2025-11-16

Free HTML CSS JavaScript DOM jQuery XML AJAX Angular ASP .NET PHP SQL tutorials, references, web building examples ... Definition and Usage The array() function is used to create an array. In PHP, there are three types of arrays: Indexed arrays - Arrays ....

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PHP: foreach - Manual

日期：2025-11-19

The foreach construct provides an easy way to iterate over arrays. foreach works only on arrays and objects, and will issue an error when you try to use it on a ......

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PHP 5 Arrays - W3Schools Online Web Tutorials

日期：2025-11-20

What is an Array? An array is a special variable, which can hold more than one value at a time. If you have a list of items (a list of car names, for example), storing the cars in ......

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