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Using 'count()' as index for appending value to array

Reports the count($array) calls that are used as an array index for appending an element to the array: $array[count($array)] = 42. In such cases, it is recommended to use square bracket syntax ($array[] = 42) instead, which adds no overhead of calling a function.

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

PhpArrayAppendUsingCountInspection
Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | PHP | Code smell

Suppressing Inspection

You can suppress this inspection by placing the following comment marker before the code fragment where you no longer want messages from this inspection to appear:

//noinspection PhpArrayAppendUsingCountInspection

More detailed instructions as well as other ways and options that you have can be found in the product documentation:

Last modified: 18 September 2025