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run code in 200+ php & hhvm versions
Bugs & Features
<?php $words["test"] = "foooo"; echo preg_replace( "/<#(.+?)#>/e", "\$words[\\1]", "test <#test].phpinfo().\$foo[15#>" );
Output for 7.0.0 - 7.3.1
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/5vjvH on line 5
Output for 5.5.0 - 5.6.28
Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/5vjvH on line 5 Notice: Use of undefined constant test - assumed 'test' in /in/5vjvH(5) : regexp code on line 1 Warning: phpinfo() has been disabled for security reasons in /in/5vjvH(5) : regexp code on line 1 Notice: Undefined variable: foo in /in/5vjvH(5) : regexp code on line 1 test foooo
Output for 5.3.0 - 5.4.45
Notice: Use of undefined constant test - assumed 'test' in /in/5vjvH(5) : regexp code on line 1 Warning: phpinfo() has been disabled for security reasons in /in/5vjvH(5) : regexp code on line 1 Notice: Undefined variable: foo in /in/5vjvH(5) : regexp code on line 1 test foooo