This operation inspects the PHP bytecode cache configuration or statistics.
Before using it, identify which data, connection or runtime state the operation reads or changes. This avoids examples that appear to work but apply to a different context.
What Is opcache_get_configuration() in PHP?
This operation inspects the PHP bytecode cache configuration or statistics.
Syntax:
<?php
// Signature for reference only
opcache_get_configuration() : array|false
Parameters and Return Value
This operation does not accept any arguments.
The declared return type is array|false.
Example 1: Basic Usage
<?php
$opcacheData = opcache_get_configuration();
var_dump($opcacheData !== false);This operation inspects the PHP bytecode cache configuration or statistics.
Example 2: Another Case
<?php
$opcacheData = opcache_get_configuration();
if ($opcacheData !== false) { print_r(array_keys($opcacheData)); }The second example changes the input or surrounding conditions, which matters when choosing this API for real application code.
Practical Example
<?php
$opcacheData = opcache_get_configuration();
if (is_array($opcacheData)) { echo count($opcacheData) . " sections"; }The practical example is a teaching scenario. Change sample configuration and credentials before using a similar design in an application.
Important Behavior and Edge Cases
- CLI results may differ from the web PHP-FPM pool and may be disabled for security reasons.
- Relevant PHP environment: Zend OPcache. Ensure the required extension and operating-system capabilities are present.
- Check results and release resources where necessary; successful syntax alone does not guarantee a successful operation.
Comparison With Related Functions
| Option | When to Use It |
|---|---|
opcache_get_configuration | This operation inspects the PHP bytecode cache configuration or statistics. |
opcache_get_status | Use this related operation for its different responsibilities; do not assume identical inputs or return values. |
Common Beginner Mistakes
| Mistake | Correct Approach |
|---|---|
| Assuming a successful return value | Inspect the returned value and handle failures according to this operation’s contract. |
| Using the API without its required environment | Supply the required resources, runtime configuration and permissions before calling it. |
| Copying demonstration values into production | Use application-specific validated values, secure configuration and safe error handling. |
Key Takeaways
- This operation inspects the PHP bytecode cache configuration or statistics.
- CLI results may differ from the web PHP-FPM pool and may be disabled for security reasons.
- Validate inputs and handle failure conditions before integrating this operation into a production workflow.
This operation inspects the PHP bytecode cache configuration or statistics. Use the appropriate runtime and treat any environment-dependent output as an example, not a guaranteed result.