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run code in 300+ PHP versions simultaneously
<?php foreach(glob('lib/*') as $o) { echo "$o".PHP_EOL; }
Output for 4.3.0 - 4.3.6, 4.3.9 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2, 7.3.32 - 7.3.33, 7.4.33, 8.0.13, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Output for 8.0.14 - 8.0.30, 8.1.0 - 8.1.28
Warning: foreach() argument must be of type array|object, bool given in /in/7b1Im on line 4
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 8.0.0 - 8.0.12
lib/ld-linux-x86-64.so.2 lib/libargon2.so.0 lib/libargon2.so.1 lib/libc.so.6 lib/libcrypt.so.1 lib/libdl.so.2 lib/libgcc_s.so.1 lib/libgmp.so.10 lib/libicudata.so.52 lib/libicudata.so.54 lib/libicudata.so.55 lib/libicudata.so.56 lib/libicudata.so.57 lib/libicudata.so.58 lib/libicudata.so.59 lib/libicudata.so.63 lib/libicui18n.so.57 lib/libicui18n.so.63 lib/libicuio.so.57 lib/libicuio.so.63 lib/libicuuc.so.52 lib/libicuuc.so.54 lib/libicuuc.so.55 lib/libicuuc.so.56 lib/libicuuc.so.57 lib/libicuuc.so.58 lib/libicuuc.so.59 lib/libicuuc.so.60 lib/libicuuc.so.61 lib/libicuuc.so.63 lib/liblzma.so.5 lib/libm.so.6 lib/libnsl.so.1 lib/libonig.so.4 lib/libpthread.so.0 lib/libresolv.so.2 lib/librt.so.1 lib/libsodium.so.18 lib/libsqlite3.so.0 lib/libstdc++.so.6 lib/libutil.so.1 lib/libxml2.so.2 lib/libz.so.1 lib/locale lib/os-release lib/php lib/sysctl.d lib/systemd lib/sysusers.d lib/tmpfiles.d
Output for 7.4.26 - 7.4.32
Warning: Invalid argument supplied for foreach() in /in/7b1Im on line 4
Output for 4.3.7 - 4.3.8
<br /> <b>Warning</b>: Invalid argument supplied for foreach() in <b>/in/7b1Im</b> on line <b>4</b><br />

preferences:
290.81 ms | 401 KiB | 469 Q