3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tests = array( "42", 1337, 0x539, 02471, 0b10100111001, 1337e0, "not numeric", array(), 9.1, -43 ); foreach ($tests as $element) { if (is_numeric($element)) { echo "'{$element}' is numeric", PHP_EOL; } else { echo "'{$element}' is NOT numeric", PHP_EOL; } } ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
'42' is numeric '1337' is numeric '1337' is numeric '1337' is numeric '1337' is numeric '1337' is numeric 'not numeric' is NOT numeric Warning: Array to string conversion in /in/OYR2N on line 19 'Array' is NOT numeric '9.1' is numeric '-43' is numeric
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
'42' is numeric '1337' is numeric '1337' is numeric '1337' is numeric '1337' is numeric '1337' is numeric 'not numeric' is NOT numeric Notice: Array to string conversion in /in/OYR2N on line 19 'Array' is NOT numeric '9.1' is numeric '-43' is numeric
Output for 7.3.32 - 7.3.33
'42' is numeric '1337' is numeric '1337' is numeric '1337' is numeric '1337' is numeric '1337' is numeric 'not numeric' is NOT numeric 'Array' is NOT numeric '9.1' is numeric '-43' is numeric
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/OYR2N on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/OYR2N on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/OYR2N on line 7
Process exited with code 255.
preferences:
299.87 ms | 401 KiB | 423 Q