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run code in 300+ PHP versions simultaneously
<?php ini_set('precision', 20); for ($num = 74.30; $num < 74.41; $num += .01) { var_export(sprintf("$num => %.02f", ceil($num * 20) / 20)); // see '74.35 => £74.40' echo "\n"; } echo "---\n"; var_export(sprintf("74.35 => %.02f", ceil(74.35 * 20) / 20)); // see '74.35 => £74.35'
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.4, 8.3.6 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
'74.299999999999997158 => 74.30' '74.310000000000002274 => 74.35' '74.32000000000000739 => 74.35' '74.330000000000012506 => 74.35' '74.340000000000017621 => 74.35' '74.350000000000022737 => 74.40' '74.360000000000027853 => 74.40' '74.370000000000032969 => 74.40' '74.380000000000038085 => 74.40' '74.390000000000043201 => 74.40' '74.400000000000048317 => 74.45' --- '74.35 => 74.35'
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 '74.299999999999997158 => 74.30' '74.310000000000002274 => 74.35' '74.32000000000000739 => 74.35' '74.330000000000012506 => 74.35' '74.340000000000017621 => 74.35' '74.350000000000022737 => 74.40' '74.360000000000027853 => 74.40' '74.370000000000032969 => 74.40' '74.380000000000038085 => 74.40' '74.390000000000043201 => 74.40' '74.400000000000048317 => 74.45' --- '74.35 => 74.35'
preferences:
70.8 ms | 1460 KiB | 4 Q