3v4l.org

run code in 300+ PHP versions simultaneously
<?php function doIt(string $line): string { $pos = strrpos($line, "&gt;"); if ($pos === false) { return $line; } if ($pos < 4 || substr($line, $pos - 4, 8) === "&gt;&gt;") { return $line; } return substr_replace($line, '<p style="color:#0f0;">', $pos, 0) . "</p>"; } function doItMultiline(string $owo): string { return implode(array_map('doIt', explode(PHP_EOL, $owo))); } $line = "awoo&gt;&gt;owo &gt;blyat lolis"; $line2 = "awoo&gt;&gt;owo"; var_dump(doItMultiline($line)); var_dump(doItMultiline($line2));
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
string(57) "awoo&gt;&gt;owo <p style="color:#0f0;">&gt;blyat</p>lolis" string(15) "awoo&gt;&gt;owo"
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 string(57) "awoo&gt;&gt;owo <p style="color:#0f0;">&gt;blyat</p>lolis" string(15) "awoo&gt;&gt;owo"

preferences:
144.9 ms | 402 KiB | 162 Q