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<?php function test() {echo "THIS SHOULD NOT BE SEEN!!\n";} function ryat($a) {var_dump($a);} $str = "', test(), '"; echo "\npreg_replace()\n"; var_dump(preg_replace('/^(.*)$/e', "ryat('\\1')", $str));
based on rcXvG
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/tb82R on line 9 NULL
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/tb82R on line 9 string(12) "', test(), '" string(0) ""
Output for 4.3.0 - 5.4.45
preg_replace() string(12) "', test(), '" string(0) ""