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run code in 300+ PHP versions simultaneously
<?php $string = 'cup'; $name = 'coffee'; $str = 'This is a $string with my $name in it.http://www.7di.net'; echo $str. "\n"; eval("\$str=\"$str\";"); echo $str. "\n"; ?>;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 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 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
This is a $string with my $name in it.http://www.7di.net This is a cup with my coffee in it.http://www.7di.net ;

preferences:
284.81 ms | 405 KiB | 420 Q