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<?php $val1 = '4,3'; $val2 = '4.4'; var_dump(array( array( $val1, $val2, ), array( (double) $val1, (double) $val2, ), array( (float) $val1, (float) $val2, ), ));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(3) { [0]=> array(2) { [0]=> string(3) "4,3" [1]=> string(3) "4.4" } [1]=> array(2) { [0]=> float(4) [1]=> float(4.4) } [2]=> array(2) { [0]=> float(4) [1]=> float(4.4) } }

preferences:
259.37 ms | 406 KiB | 307 Q