Simple Fix: PHP < 5.5 compatibility

  • wpbmb-entrez/admin/wbe-settings-helpers.php

    Line 689 creates incompatibility with PHP < 5.5. Pre PHP 5.5, empty() only accepts variables. This is an extremely simple fix.

    Before:

    
if ( ! empty( preg_replace( '/\s+/', '', $computed_value ) ) ) {
    ...
}

    After:

    
$computed_value_clean = preg_replace( '/\s+/', '', $computed_value );
if ( ! empty( $computed_value_clean ) ) {
    ...
}

    There’s probably a better fix for this as I’m sure someone with more PHP expertise will point out.

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