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run code in 300+ PHP versions simultaneously
<?php $float = 0.00000038; echo "float: $float\n"; $str = (string)$float; echo "string: $str\n"; $n_dec = strlen(substr(strrchr($str, '.'), 1)); echo "$n_dec\n"; echo number_format($float, $n_dec), "\n"; echo number_format($float, 8), "\n";
Output for 5.2.2 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 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: 3.8E-7 string: 3.8E-7 4 0.0000 0.00000038
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 - 5.2.1
float: 3.8E-07 string: 3.8E-07 5 0.00000 0.00000038
preferences:
300.36 ms | 402 KiB | 460 Q