browser lang:en
here a rapid snippet to verify if a record exists in a mysql table:
codice PHP:
if ( mysql_num_rows(mysql_query("SHOW COLUMNS FROM table_name LIKE 'record_name' ")) == 1 ) echo "record exists" ;
else echo "record doesnt exists" ;
if( mysql_num_rows(mysql_query("SHOW TABLES LIKE 'table_name' ")) == 1 ) echo "table exists" ;
else echo "table doesnt exists" ;
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