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run code in 300+ PHP versions simultaneously
<?php $txt = 'hello world<br />#helloworld<br />some more text'; $txt = str_replace('&lt;br /&gt;','<br />',$txt); $txt = preg_replace('/(?<!\w)#([0-9a-zA-Z]+)/m', '<a href="index.php?q=$1">#$1</a>', $txt); echo $txt;
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
hello world<br /><a href="index.php?q=helloworld">#helloworld</a><br />some more text

preferences:
209.61 ms | 409 KiB | 5 Q