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<?php var_dump(substr('', 0, 5)); var_dump(substr(null, 0, 5)); var_dump(sprintf("%s", false));
Output for git.master, git.master_jit, rfc.property-hooks
string(0) "" Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in /in/aMAMq on line 4 string(0) "" string(0) ""

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