1--TEST-- 2filter_var() and FLOAT 3--EXTENSIONS-- 4filter 5--INI-- 6precision=14 7--FILE-- 8<?php 9 10$floats = array( 11'1.234 ', 12' 1.234', 13'1.234' , 14'1.2e3', 15'7E3', 16'7E3 ', 17' 7E3 ', 18' 7E-3 ' 19); 20 21foreach ($floats as $float) { 22 $out = filter_var($float, FILTER_VALIDATE_FLOAT); 23 var_dump($out); 24} 25 26$floats = array( 27'1.234 ' => ',', 28'1,234' => ',', 29' 1.234' => '.', 30'1.234' => '..', 31'1.2e3' => ',' 32); 33 34echo "\ncustom decimal:\n"; 35foreach ($floats as $float => $dec) { 36 try { 37 var_dump(filter_var($float, FILTER_VALIDATE_FLOAT, array("options"=>array('decimal' => $dec)))); 38 } catch (ValueError $exception) { 39 echo $exception->getMessage() . "\n"; 40 } 41} 42 43?> 44--EXPECT-- 45float(1.234) 46float(1.234) 47float(1.234) 48float(1200) 49float(7000) 50float(7000) 51float(7000) 52float(0.007) 53 54custom decimal: 55bool(false) 56float(1.234) 57float(1.234) 58filter_var(): "decimal" option must be one character long 59bool(false) 60