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<?php $tests = array( "42", 1337, 0x539, 02471, 0b10100111001, 1337e0, "not numeric", array(), 9.1 ); foreach ($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/4geiv on line 20 'Array' is NOT numeric '9.1' is numeric
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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/4geiv on line 20 '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 5.2.3 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/4geiv on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING, expecting ')' in <b>/in/4geiv</b> on line <b>9</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected T_STRING, expecting ')' in <b>/in/4geiv</b> on line <b>9</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `')'' in <b>/in/4geiv</b> on line <b>9</b><br />
Process exited with code 255.
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