3v4l.org

run code in 300+ PHP versions simultaneously
<?php $words["test"] = "foooo"; echo preg_replace( "/<#(.+?)#>/e", "\$words[\\1]", "test <#test].phpinfo().$foo[#>" );
Output for 5.4.0 - 5.4.25
Parse error: syntax error, unexpected '' (T_ENCAPSED_AND_WHITESPACE), expecting identifier (T_STRING) or variable (T_VARIABLE) or number (T_NUM_STRING) in /in/0mvL6 on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_ENCAPSED_AND_WHITESPACE, expecting T_STRING or T_VARIABLE or T_NUM_STRING in /in/0mvL6 on line 5
Process exited with code 255.
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