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<?php $constants = preg_grep('/^T_/', array_keys(get_defined_constants())); $constants = array_combine($constants, array_map('constant', $constants)); asort($constants); var_dump(array_slice($constants, 0, 1, true));
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { ["T_THROW"]=> int(258) }

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