3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo memory_get_peak_usage() . "\n"; $var = ['hallo']; echo memory_get_peak_usage() . "\n"; $var['test'] = 'hallo'; echo memory_get_peak_usage() . "\n";
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
422816 422816 422816
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 422816 422816 422816
Output for 8.1.0 - 8.1.28
423280 423280 423280
Output for 8.0.0 - 8.0.30
423120 423120 423120
Output for 7.4.0 - 7.4.33
423296 423296 423296
Output for 7.3.0 - 7.3.33
423048 423048 423048
Output for 7.2.0 - 7.2.33
418488 418488 418488
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
381752 381752 381752
Output for 5.6.0 - 5.6.40
220440 220440 220440

preferences:
207.08 ms | 401 KiB | 291 Q