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run code in 500+ PHP versions simultaneously
<?php foreach ( [ false, null, [], '', '0', '0.0' ] as $value ) { $value = str_replace( ' ', "\n", $value ); if ( is_array( $value ) ) { $value = implode( "\n", $value ); } var_dump( $value ); }

preferences:
74.44 ms | 1407 KiB | 5 Q