How can recursion in var_dump affect the performance of a PHP script?

Recursion in var_dump can affect the performance of a PHP script by causing infinite loops when dumping complex data structures that contain circular references. This can lead to high memory consumption and slow execution times. To solve this issue, you can use the xdebug extension with the xdebug.var_display_max_depth and xdebug.var_display_max_children settings to limit the depth and number of children displayed in var_dump.

// Set xdebug settings to limit var_dump recursion
ini_set('xdebug.var_display_max_depth', 5);
ini_set('xdebug.var_display_max_children', 256);

// Your PHP script code here
// Use var_dump to display variables
var_dump($your_complex_data_structure);