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| <?php | |
| /** | |
| * Global checker | |
| * @param string/array $var the function will check this variable | |
| * @return boolean true if not empty, not null, is set, and not equal to ''. | |
| */ | |
| if ( ! function_exists( 'checker' ) ) { | |
| function checker( $var ) { | |
| return ( $var && $var != '' && ! empty( $var ) && ! is_null( $var ) ); | |
| } | |
| } |
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