3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( array( array( array( 'leaf-0-0-0-0', 'leaf-0-0-0-1' ), 'leaf-0-0-0' ), array( array( 'leaf-0-1-0-0', 'leaf-0-1-0-1' ), 'leaf-0-1-0' ), 'leaf-0-0' ) ); $iterator = new RecursiveIteratorIterator( new RecursiveArrayIterator($array), 'LEAVES_ONLY' ); foreach ($iterator as $key => $leaf) { echo "$key => $leaf", PHP_EOL; }
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught TypeError: RecursiveIteratorIterator::__construct(): Argument #2 ($mode) must be of type int, string given in /in/NfCLm:23 Stack trace: #0 /in/NfCLm(23): RecursiveIteratorIterator->__construct(Object(RecursiveArrayIterator), 'LEAVES_ONLY') #1 {main} thrown in /in/NfCLm on line 23
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: RecursiveIteratorIterator::__construct(): Argument #2 ($mode) must be of type int, string given in /in/NfCLm:23 Stack trace: #0 /in/NfCLm(23): RecursiveIteratorIterator->__construct(Object(RecursiveArrayIterator), 'LEAVES_ONLY') #1 {main} thrown in /in/NfCLm on line 23
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught TypeError: RecursiveIteratorIterator::__construct(): Argument #2 ($mode) must be of type int, string given in /in/NfCLm:25 Stack trace: #0 /in/NfCLm(25): RecursiveIteratorIterator->__construct(Object(RecursiveArrayIterator), 'LEAVES_ONLY') #1 {main} thrown in /in/NfCLm on line 25
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught InvalidArgumentException: An instance of RecursiveIterator or IteratorAggregate creating it is required in /in/NfCLm:25 Stack trace: #0 /in/NfCLm(25): RecursiveIteratorIterator->__construct(Object(RecursiveArrayIterator), 'LEAVES_ONLY') #1 {main} thrown in /in/NfCLm on line 25
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Uncaught exception 'InvalidArgumentException' with message 'An instance of RecursiveIterator or IteratorAggregate creating it is required' in /in/NfCLm:26 Stack trace: #0 /in/NfCLm(26): RecursiveIteratorIterator->__construct(Object(RecursiveArrayIterator), 'LEAVES_ONLY') #1 {main} thrown in /in/NfCLm on line 26
Process exited with code 255.
preferences:
258.37 ms | 402 KiB | 376 Q