<?php $array_1 = range(1, 1.9, 0.1); var_dump(count(array_filter($array_1, function($n) { return round($n, 1) == 1.7; })) >= 1); $array_2 = range(0, 0.9, 0.1); var_dump(count(array_filter($array_2, function($n) { return round($n, 1) == 0.3; })) >= 1); var_dump(count(array_filter($array_2, function($n) { return round($n, 1) == 0.6; })) >= 1); var_dump(count(array_filter($array_2, function($n) { return round($n, 1) == 0.7; })) >= 1); //=>it return false;
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