3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Scenario 1 $preferred_icon = 'test'; $plugin_data = null; var_dump( ! empty( $plugin_data->update->icons[ $preferred_icon ] ) ); // Scenario 2 $plugin_data = new stdClass(); $plugin_data->update = new stdClass(); $plugin_data->update->icons = null; var_dump( ! empty( $plugin_data->update->icons[ $preferred_icon ] ) ); // Now try it without the `empty()`. // Scenario 3 var_dump( $plugin_data->update->icons[ $preferred_icon ] ); // Scenario 5 $plugin_data = new stdClass(); $plugin_data->update = new stdClass(); var_dump( $plugin_data->update->icons[ $preferred_icon ] );
Output for 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
bool(false) bool(false) Warning: Trying to access array offset on null in /in/kAVJ9 on line 17 NULL Warning: Undefined property: stdClass::$icons in /in/kAVJ9 on line 22 Warning: Trying to access array offset on null in /in/kAVJ9 on line 22 NULL
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.
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29
bool(false) bool(false) Warning: Trying to access array offset on value of type null in /in/kAVJ9 on line 17 NULL Warning: Undefined property: stdClass::$icons in /in/kAVJ9 on line 22 Warning: Trying to access array offset on value of type null in /in/kAVJ9 on line 22 NULL
preferences:
111.2 ms | 410 KiB | 5 Q