PHP Illegal Variables
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You can not declare variable in following pattern given below.
- In PHP variables name not start with numeric value.
- In PHP variables name not separated by a hyphen.
- In PHP multi words variable not separated by whitespace.
Following are the illegal variable in php, if you create you get error.
Filename: php / illegal-variables.php
| Code | |||||||
|---|---|---|---|---|---|---|---|
<?php echo $1numvar="Num Var"; echo $hyphen-var="Hyphen Var"; echo $whitespace var="Whitespace Var"; ?> |
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Running Step.
Type Url - https://localhost/php/illegal-variables.php
| Output | |||||||
|---|---|---|---|---|---|---|---|
|
Parse error: syntax error, unexpected '2' (T_LNUMBER), expecting variable (T_VARIABLE) or '{' or '$' in C:wamp64wwwphp-error.php on line 2 Parse error: syntax error, unexpected 'var' (T_VAR) in C:wamp64wwwphp-error.php on line 3 Parse error: syntax error, unexpected 'var' (T_VAR), expecting ',' or ';' in C:wamp64wwwphp-error.php on line 4 |
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