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<?php $a = 'b'; $b = 'c'; echo "${a}"; echo "${$a}";
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/iIg7j on line 6 Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/iIg7j on line 7 bc

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