- var_dump: documentation ( source)
- json_decode: documentation ( source)
- print_r: documentation ( source)
- ini_set: documentation ( source)
<?php
var_dump((string) 1234567890.12345678);
print_r(json_decode('{"test":1234567890.12345678}'));
ini_set('precision', 20);
var_dump((string) 1234567890.12345678);
print_r(json_decode('{"test":1234567890.12345678}'));