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<?php class x { function __construct($x){ $p = '$this->waa($0);'; var_dump( preg_replace_callback('~.~', function($m){ return eval( preg_replace('~\$(\d)~', 'm[$1]', $p) ); }, 'wazaa') ); } function waa($t){ return '*'.$t.'*'; } } new x($x);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $x in /in/BSEgr on line 20 Warning: Undefined variable $p in /in/BSEgr on line 11 Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/BSEgr on line 11 Warning: Undefined variable $p in /in/BSEgr on line 11 Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/BSEgr on line 11 Warning: Undefined variable $p in /in/BSEgr on line 11 Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/BSEgr on line 11 Warning: Undefined variable $p in /in/BSEgr on line 11 Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/BSEgr on line 11 Warning: Undefined variable $p in /in/BSEgr on line 11 Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/BSEgr on line 11 string(0) ""

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