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<?php $mystring = 'ABC'; var_dump(is_numeric($mystring[0])); $mystring = '2ABC'; var_dump(is_numeric($mystring[0])); $mystring = ''; var_dump(is_numeric($mystring[0]));
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) bool(true) Warning: Uninitialized string offset 0 in /in/E8IUF on line 10 bool(false)

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