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<?php class ok { public function t() { $this->replacer( '*' ); return preg_replace_callback( '/(t)/', array( $this, 'replacer'), 'this is a simple test' ); } private function replacer( $input ) { static $cache = '-'; if ( ! is_array( $input ) ) { $cache = $input; } else { return $cache . $input[1] . $cache; } } } class buggyphp extends ok {} class buggyphptoo extends ok { public function t() { return parent::t(); } } $buggy = new buggyphp(); echo 'Result buggyphp: ' . $buggy->t(); echo "\n"; $buggy = new buggyphptoo(); echo 'Result buggyphptoo: ' . $buggy->t(); echo "\n"; $a = new ok(); echo 'Result ok: ' . $a->t(); exit();
Output for 5.0.0 - 5.0.3, 5.2.7 - 5.2.17, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Result buggyphp: *t*his is a simple *t*es*t* Result buggyphptoo: *t*his is a simple *t*es*t* Result ok: *t*his is a simple *t*es*t*
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.6, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33
Result buggyphp: -t-his is a simple -t-es-t- Result buggyphptoo: -t-his is a simple -t-es-t- Result ok: *t*his is a simple *t*es*t*
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/qNuVd on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/qNuVd on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/qNuVd on line 3
Process exited with code 255.
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