trim engr_units string slight improvement to avoid subtle bugs
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@ -1826,7 +1826,9 @@ function lang_selector() {
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function engr_units_to_bytes ($size_str) {
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function engr_units_to_bytes ($size_str) {
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switch (substr ($size_str, -1)) {
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if(! $size_str)
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return $size_str;
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switch (substr(trim($size_str), -1)) {
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case 'M': case 'm': return (int)$size_str * 1048576;
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case 'M': case 'm': return (int)$size_str * 1048576;
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case 'K': case 'k': return (int)$size_str * 1024;
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case 'K': case 'k': return (int)$size_str * 1024;
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case 'G': case 'g': return (int)$size_str * 1073741824;
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case 'G': case 'g': return (int)$size_str * 1073741824;
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