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Call Stack
#TimeMemoryFunctionLocation
10.0117361392{main}( ).../video.php:0
20.0427439208mysqli_query ( ).../video.php:46

( ! ) Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, null given in /home/admin/web/student-mtu.ru/public_html/functions.php on line 148
Call Stack
#TimeMemoryFunctionLocation
10.0117361392{main}( ).../video.php:0
20.0428439208SqlArray->__construct( ).../video.php:46
30.0428439208mysqli_num_rows ( ).../functions.php:148
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