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run code in 300+ PHP versions simultaneously
<?php header('Content-type:text/html; charset=utf-8'); $heart = mb_convert_encoding('&#9829;', 'UTF-8', 'HTML-ENTITIES'); echo "&lt;?php<br><br>\n", "$<span class='red'>{$heart}</span> = \"love\";<br>\n", "var_dump( \"I $<span class='red'>{$heart}</span> PHP!\" );";
Output for git.master, git.master_jit, rfc.property-hooks
&lt;?php<br><br> $<span class='red'>♥</span> = "love";<br> var_dump( "I $<span class='red'>♥</span> PHP!" );

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