3v4l.org

run code in 300+ PHP versions simultaneously
<?php $c = 'Al(OH)3'; $n = preg_replace('/\.*OH\)(/d)/i', $1, $c); echo $n;
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
Parse error: syntax error, unexpected '1' (T_LNUMBER), expecting variable (T_VARIABLE) or '{' or '$' in /in/jDbLF on line 5
Process exited with code 255.
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156.88 ms | 1395 KiB | 36 Q