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<?php $subject = 'Aaaafaba Bbab'; $ret = preg_replace_callback( '~[a]+~i', function ($match) { echo strlen(match[0]), ' matches for "a" found', PHP_EOL; }, $subject ); var_dump($ret); var_dump($subject); $ret = preg_replace_callback_array( [ '~[a]+~i' => function ($match) { echo strlen($match[0]), ' matches for "a" found', PHP_EOL; }, '~[b]+~i' => function ($match) { echo strlen($match[0]), ' matches for "b" found', PHP_EOL; } ], $subject ); var_dump($ret); var_dump($subject);
Output for git.master, git.master_jit, rfc.property-hooks
Parse error: syntax error, unexpected token "[", expecting ":" in /in/HY5B7 on line 8
Process exited with code 255.

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