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run code in 300+ PHP versions simultaneously
<?php $str = "FREQ=WEEKLY;UNTIL=20170728T080000Z;BYDAY=MO,TU,WE,TH,FR"; preg_match_all('~(\w+)=([^;]+)~', $str, $matches); [$freq, $until, $byday] = $matches[2]; echo $freq, " ", $until, " ", $byday;
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
WEEKLY 20170728T080000Z MO,TU,WE,TH,FR
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 WEEKLY 20170728T080000Z MO,TU,WE,TH,FR
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Parse error: syntax error, unexpected '=' in /in/T2UhW on line 5
Process exited with code 255.

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