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run code in 300+ PHP versions simultaneously
<?php var_dump(highlight_string('<?php phpinfo();', TRUE));
Output for 8.3.0 - 8.3.6
string(138) "<pre><code style="color: #000000"><span style="color: #0000BB">&lt;?php phpinfo</span><span style="color: #007700">();</span></code></pre>"
Output for 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 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 - 7.2.33, 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
string(148) "<code><span style="color: #000000"> <span style="color: #0000BB">&lt;?php&nbsp;phpinfo</span><span style="color: #007700">();</span> </span> </code>"
Output for 5.0.0 - 5.0.4
string(143) "<code><span style="color: #000000"> <span style="color: #0000BB">&lt;?php phpinfo</span><span style="color: #007700">();</span> </span> </code>"
Output for 4.4.0 - 4.4.9
string(127) "<code><font color="#000000"> <font color="#0000BB">&lt;?php&nbsp;phpinfo</font><font color="#007700">();</font> </font> </code>"
Output for 4.3.0 - 4.3.11
string(122) "<code><font color="#000000"> <font color="#0000BB">&lt;?php phpinfo</font><font color="#007700">();</font> </font> </code>"

preferences:
260.1 ms | 401 KiB | 459 Q