3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('Buenos Aires' => 'Salto'); $arrCiudades[$a] = 1337; $idCiudad = $arrCiudades['Buenos Aires']['Salto']; echo $idCiudad;
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: Cannot access offset of type array on array in /in/mGnBM:3 Stack trace: #0 {main} thrown in /in/mGnBM on line 3
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Fatal error: Uncaught TypeError: Illegal offset type in /in/mGnBM:3 Stack trace: #0 {main} thrown in /in/mGnBM on line 3
Process exited with code 255.
Output for 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Warning: Illegal offset type in /in/mGnBM on line 3 Notice: Undefined index: Buenos Aires in /in/mGnBM on line 7 Notice: Trying to access array offset on value of type null in /in/mGnBM on line 7
Output for 7.3.32 - 7.3.33, 7.4.26
Warning: Illegal offset type in /in/mGnBM on line 3
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Warning: Illegal offset type in /in/mGnBM on line 3 Notice: Undefined index: Buenos Aires in /in/mGnBM on line 7
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Illegal offset type in /in/mGnBM on line 3 Notice: Undefined index: Buenos Aires in /in/mGnBM on line 7

preferences:
223.45 ms | 402 KiB | 373 Q