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<?php $obj = new Stdclass(); $tests = array( "42", 1337, 0x539, 02471, 0b10100111001, 1337e0, "not numeric", array(), 9.1 ); foreach ($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/iacc5 on line 23 'Array' is NOT numeric '9.1' is numeric
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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/iacc5 on line 23 'Array' is NOT numeric '9.1' 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
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/iacc5 on line 10
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/iacc5 on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/iacc5 on line 10
Process exited with code 255.
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