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run code in 300+ PHP versions simultaneously

@ 2023-10-25T16:00:06Z

<?php

class WP_REST_Global_Styles_Controller {
    public function update_item() {
        echo "\n" . __METHOD__ . "\n";
        $this->prepare_item_for_database();
    }
    protected function prepare_item_for_database() {
        echo "\n" . __METHOD__ . "\n";
        $this->validate_custom_css();
    }    
    private function validate_custom_css() {
        echo __METHOD__ . "()\n";
    }
}

class WP_REST_Global_Styles_Controller_X_X extends WP_REST_Global_Styles_Controller {
    public function update_item() {
        echo "\n" . __METHOD__ . "\n";

        // some custom code.

        $this->prepare_item_for_database();
    }    

    /**
     * Want to invoke this method, not the parent's method.
     */
    protected function validate_custom_css() { 
        echo __METHOD__ . "()\n";
    }
}

( new WP_REST_Global_Styles_Controller_X_X() )->update_item();

Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: WP_REST_Global_Styles_Controller_X_X::update_item WP_REST_Global_Styles_Controller::prepare_item_for_database WP_REST_Global_Styles_Controller::validate_custom_css()
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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