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+---
+Title: 'number_format()'
+Description: 'Returns a given value formatted with grouped thousands.'
+Subjects:
+  - 'Computer Science'
+  - 'Web Design'
+Tags:
+  - 'Strings'
+  - 'Functions'
+CatalogContent:
+  - 'learn-php'
+  - 'paths/computer-science'
+---
+
+The **`number_format()`** function takes a given number and formats it with grouped thousands. If a decimal is given, the number will be rounded up.
+
+## Syntax
+
+```pseudo
+number_format($number, $decimals, $decimal_point, $separator);
+```
+
+- `$number`: The number to format.
+- `$decimals`: Optional parameter that sets the number of digits after the decimal point. If not given, the number returned will be a whole number.
+- `$decimal_point`: Optional parameter that specifies the decimal separator and should be given as a string.
+- `$separator`: Optional parameter that specifies the thousands separator and should be given as a string.
+
+## Example
+
+This example uses the `number_format()` function to format a whole number using `","` as a decimal separator and `"x"` as a thousands separator.
+
+```php
+<?php
+  echo number_format("1000000",2,",","x");
+?>
+```
+
+This will result in the following output:
+
+```shell
+1x000x000,00
+```
+
+## Codebyte Example
+
+The following codebyte example can be run and calls the `number_format()` method two times. The second call uses the optional `$decimals`, `$decimal_point`, and `$separator` parameters.
+
+```codebyte/php
+<?php
+  echo number_format("500000"), "/n";
+  echo number_format("5000000",2,".",",");
+?>
+```