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run code in 150+ php & hhvm versions
Bugs & Features
<?php function ob_callback($str) { return "Modified: " . $str; } ob_start('ob_callback', 2); $out = fopen("php://output", "w"); fwrite($out, "Hello world");
Output for 4.3.2 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Modified: Hello worldModified:
Output for 4.3.0 - 4.3.1
Hello world