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run code in 150+ php & hhvm versions
Bugs & Features
<?php function test() {echo "THIS SHOULD NOT BE SEEN!!\n";} function ryat($a) {var_dump($a);} $str = "', test(), '\0"; echo "\npreg_replace()\n"; var_dump(preg_replace('/^(.*)$/e', "ryat('\\1')", $str)); //var_dump(preg_replace_callback('/^(.*)$/', "ryat", $str));
based on LHVi6
Output for 7.0.0 - 7.1.0
preg_replace() Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/Je12Z on line 9 NULL
Output for 4.3.0 - 4.3.8, 4.3.10 - 5.0.5, 5.1.1 - 5.4.45, hhvm-3.12.0
preg_replace() string(14) "', test(), '\0" string(0) ""
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.5.24 - 5.6.28
preg_replace() Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/Je12Z on line 9 string(14) "', test(), '\0" string(0) ""
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/Je12Z on line 10
Process exited with code 255.
Output for 4.3.9
preg_replace() Parse error: parse error, unexpected $ in /in/Je12Z(9) : regexp code on line 1 Fatal error: Failed evaluating code: ryat('\', test(), \'\ in /in/Je12Z on line 9
Process exited with code 255.