3v4l.org

run code in 300+ PHP versions simultaneously
<?php $search_tags = array( "happy", "summer", "beach", "glasses", "umbrella", "funny", "people", "music", "rap" ); $accounts = array( "account A", "account B", "account C" ); $accounts = new InfiniteIterator(new ArrayIterator($accounts)); echo ucfirst($accounts->current()), PHP_EOL;
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: ucfirst(): Passing null to parameter #1 ($string) of type string is deprecated in /in/XVURZ on line 21
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 Deprecated: ucfirst(): Passing null to parameter #1 ($string) of type string is deprecated in /in/XVURZ on line 21
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.25, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Output for 5.0.0 - 5.0.5
Fatal error: Class 'InfiniteIterator' not found in /in/XVURZ on line 20
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: infiniteiterator in /in/XVURZ on line 20
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: infiniteiterator in /in/XVURZ on line 20
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255.28 ms | 401 KiB | 353 Q