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run code in 300+ PHP versions simultaneously
<?php echo json_encode("\u{1000}") . "\n"; echo json_encode("\u{2028}") . "\n"; echo json_encode("\u{2029}") . "\n";
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
"\u1000" "\u2028" "\u2029"
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 "\u1000" "\u2028" "\u2029"
Output for 5.6.0 - 5.6.28
"\\u{1000}" "\\u{2028}" "\\u{2029}"

preferences:
176.69 ms | 401 KiB | 190 Q