3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $number = ['1,2', 1, '']; foreach ($number as $val) { if (!empty($val)) echo "val: $val is_numeric ".is_numeric(number_format($val))."\n\r"; } echo 'string:'.is_numeric(number_format('lalalal1,2'));
based on rbg95
Output for 7.0.0 - 7.2.0
Notice: A non well formed numeric value encountered in /in/W2lC2 on line 5 val: 1,2 is_numeric 1 val: 1 is_numeric 1 Warning: number_format() expects parameter 1 to be float, string given in /in/W2lC2 on line 7 string:
Output for 5.4.2 - 5.6.28
Notice: A non well formed numeric value encountered in /in/W2lC2 on line 5 val: 1,2 is_numeric 1 val: 1 is_numeric 1 Warning: number_format() expects parameter 1 to be double, string given in /in/W2lC2 on line 7 string:
Output for 5.3.18 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/W2lC2 on line 3
Process exited with code 255.