When working with PHP, you may need to read a text attribute used by the formatter. This guide explains the operation, shows what its arguments mean, and uses three separate examples to make the result easier to understand.
NumberFormatter::getTextAttribute: Text attributes include symbols and prefixes associated with certain formatting styles.
What Is NumberFormatter::getTextAttribute in PHP?
Read a text attribute used by the formatter. Text attributes include symbols and prefixes associated with certain formatting styles.
Syntax:
$formatter->getTextAttribute(int $attribute): string|false
Parameters and return value: The signature above identifies the arguments and return type where the API has a single call. For topic guides, follow the sequence of calls in the examples. Always distinguish a returned value from an object or variable modified by reference.
Important: Do not confuse text attributes with numeric attributes or pattern syntax.
Example 1: Basic Usage
This example introduces the operation with a short and predictable input.
<?php
$formatter = new NumberFormatter("en_US", NumberFormatter::DECIMAL);
var_dump($formatter->getTextAttribute(NumberFormatter::POSITIVE_PREFIX));
The code focuses on the main operation. Text attributes include symbols and prefixes associated with certain formatting styles.
Example 2: Another Case
Now compare a different input, locale, date, or option to see another part of the behavior.
<?php
$formatter = new NumberFormatter("en_US", NumberFormatter::DECIMAL);
var_dump($formatter->getTextAttribute(NumberFormatter::NEGATIVE_PREFIX));
What changes? Do not confuse text attributes with numeric attributes or pattern syntax.
Practical Example: Applying It in an Application
Use the following separate example as a starting point for a small application task. Check any extension or environment requirements below before running it.
<?php
$formatter = new NumberFormatter("en_US", NumberFormatter::DECIMAL);
$positive = $formatter->getTextAttribute(NumberFormatter::POSITIVE_PREFIX);
$negative = $formatter->getTextAttribute(NumberFormatter::NEGATIVE_PREFIX);
var_dump([$positive, $negative]);
The practical example demonstrates how to apply this operation to multiple values, a reusable task, or a validated input. Text attributes include symbols and prefixes associated with certain formatting styles.
Important Behavior and Edge Cases
- Core behavior: Text attributes include symbols and prefixes associated with certain formatting styles.
- Inputs and results: Do not confuse text attributes with numeric attributes or pattern syntax.
- Alternatives: NumberFormatter::setTextAttribute() changes supported text attributes.
- Compatibility: The intl extension is required.
Comparison With Related Functions
| Function or Approach | When to Use It |
|---|---|
NumberFormatter::getTextAttribute | Read a text attribute used by the formatter. |
| Related PHP approach | NumberFormatter::setTextAttribute() changes supported text attributes. |
Common Beginner Mistakes
| Mistake | Correct Approach |
|---|---|
| Using an incorrect input or option | Do not confuse text attributes with numeric attributes or pattern syntax. |
| Confusing this API with a related operation | NumberFormatter::setTextAttribute() changes supported text attributes. |
| Assuming output is identical across environments | Check return values and required extensions or versions. The intl extension is required. |
Key Takeaways
- NumberFormatter::getTextAttribute helps you read a text attribute used by the formatter.
- Text attributes include symbols and prefixes associated with certain formatting styles.
- Do not confuse text attributes with numeric attributes or pattern syntax.
Use NumberFormatter::getTextAttribute when you need to read a text attribute used by the formatter. Start with the first example, compare the second, and adapt the practical example to your inputs. Confirm the return value and environment requirements before adding it to production code.