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<?php foreach ( [ false, null, [], '', '0' ] as $value ) { var_dump( str_replace( ' ', "\n", $value ) ); }
Output for git.master, git.master_jit, rfc.property-hooks
string(0) "" Deprecated: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/sduMb on line 4 string(0) "" array(0) { } string(0) "" string(1) "0"

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