PHP - Check variable is defined
Test whether a variable exists and is defined.
Checks whether variable is set and is not NULL.
if (isset({{name}})) {
{{defined_body}}
} else {
{{undefined_body}}
}
Test whether a variable exists and is defined.
Checks whether variable is set and is not NULL.
if (isset({{name}})) {
{{defined_body}}
} else {
{{undefined_body}}
}
Get local and global defined vars and check for key existence.
array_key_exists('{{name}}', get_defined_vars())