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<?php $params = [':foo' => null]; $sql = 'select * from test where foo = :foo'; $sql = preg_replace_callback( '/(?<!\b)(?<![:\\\]):(#?[a-zA-Z0-9_-]+)/', function ($match) use ($params) { return $params[$match[1]]; }, $sql ); var_dump($sql);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "foo" in /in/3rM2m on line 12 string(31) "select * from test where foo = "

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