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run code in 300+ PHP versions simultaneously
<?php $a = 0.03; $b = 1 - 0.97; $c = (float)(string) 0.03; $d = (float)(string) (1 - 0.97); var_dump($a, $b, $a === $b, $c, $d, $c === $d); var_dump(sprintf('%1.18f', $b), sprintf('%1.18f', $d));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
float(0.03) float(0.030000000000000027) bool(false) float(0.03) float(0.03) bool(true) string(20) "0.030000000000000027" string(20) "0.029999999999999999"
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
float(0.03) float(0.03) bool(false) float(0.03) float(0.03) bool(true) string(20) "0.030000000000000027" string(20) "0.029999999999999999"
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
float(0.03) float(0.03) bool(false) float(0.03) float(0.03) bool(true) string(20) "0.030000000000000027" string(20) "0.030000000000000000"
preferences:
267.66 ms | 402 KiB | 369 Q