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<?php $x = ' \uparrow \Uparrow [ ] \downarrow \Downarrow \{ \} \updownarrow \Updownarrow \lfloor \rfloor \lceil \rceil \langle \rangle / \backslash | \| '; $x = array_filter(preg_split('/\s+/', $x)); usort($x, function ($a, $b) { return strcmp(strtolower($a), strtolower($b)); }); foreach ($x as $xx) { echo $xx, "\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
/ [ \backslash \downarrow \Downarrow \langle \lceil \lfloor \rangle \rceil \rfloor \uparrow \Uparrow \updownarrow \Updownarrow \{ \| \} ] |

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