How to retain two decimal places in php without rounding

php method to retain two decimal places without rounding: use the function substr, the code is [echo sprintf("%.2f",substr(sprintf("%.3f", $num), 0, -2))】.

php method of retaining two decimal places and not rounding:

php retaining two decimal places and not rounding

The code is as follows:

$num = 123213.666666;
echo sprintf("%.2f",substr(sprintf("%.3f", $num), 0, -2));

php rounding to an integer

The code is as follows:

echo ceil(4.3); // 5
echo ceil(9.999); // 10

php rounding to an integer

The code is as follows:

echo floor(4.3); // 4
echo floor(9.999); // 9

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