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run code in 300+ PHP versions simultaneously
<?php $a = 42; var_dump( filter_var( $a, FILTER_SANITIZE_STRING ) );
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Deprecated: Constant FILTER_SANITIZE_STRING is deprecated in /in/G0GIi on line 4 string(2) "42"
Output for 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
string(2) "42"

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